<?php
-
-function mysql2date($dateformatstring, $mysqlstring, $translate = true) {
- global $wp_locale;
- $m = $mysqlstring;
- if ( empty($m) ) {
+/**
+ * Main WordPress API
+ *
+ * @package WordPress
+ */
+
+require( ABSPATH . WPINC . '/option.php' );
+
+/**
+ * Converts given date string into a different format.
+ *
+ * $format should be either a PHP date format string, e.g. 'U' for a Unix
+ * timestamp, or 'G' for a Unix timestamp assuming that $date is GMT.
+ *
+ * If $translate is true then the given date and format string will
+ * be passed to date_i18n() for translation.
+ *
+ * @since 0.71
+ *
+ * @param string $format Format of the date to return.
+ * @param string $date Date string to convert.
+ * @param bool $translate Whether the return date should be translated. Default is true.
+ * @return string|int Formatted date string, or Unix timestamp.
+ */
+function mysql2date( $format, $date, $translate = true ) {
+ if ( empty( $date ) )
return false;
- }
- $i = mktime(
- (int) substr( $m, 11, 2 ), (int) substr( $m, 14, 2 ), (int) substr( $m, 17, 2 ),
- (int) substr( $m, 5, 2 ), (int) substr( $m, 8, 2 ), (int) substr( $m, 0, 4 )
- );
- if( 'U' == $dateformatstring )
- return $i;
+ if ( 'G' == $format )
+ return strtotime( $date . ' +0000' );
- if ( -1 == $i || false == $i )
- $i = 0;
+ $i = strtotime( $date );
- if ( !empty($wp_locale->month) && !empty($wp_locale->weekday) && $translate ) {
- $datemonth = $wp_locale->get_month(date('m', $i));
- $datemonth_abbrev = $wp_locale->get_month_abbrev($datemonth);
- $dateweekday = $wp_locale->get_weekday(date('w', $i));
- $dateweekday_abbrev = $wp_locale->get_weekday_abbrev($dateweekday);
- $datemeridiem = $wp_locale->get_meridiem(date('a', $i));
- $datemeridiem_capital = $wp_locale->get_meridiem(date('A', $i));
- $dateformatstring = ' '.$dateformatstring;
- $dateformatstring = preg_replace("/([^\\\])D/", "\\1".backslashit($dateweekday_abbrev), $dateformatstring);
- $dateformatstring = preg_replace("/([^\\\])F/", "\\1".backslashit($datemonth), $dateformatstring);
- $dateformatstring = preg_replace("/([^\\\])l/", "\\1".backslashit($dateweekday), $dateformatstring);
- $dateformatstring = preg_replace("/([^\\\])M/", "\\1".backslashit($datemonth_abbrev), $dateformatstring);
- $dateformatstring = preg_replace("/([^\\\])a/", "\\1".backslashit($datemeridiem), $dateformatstring);
- $dateformatstring = preg_replace("/([^\\\])A/", "\\1".backslashit($datemeridiem_capital), $dateformatstring);
+ if ( 'U' == $format )
+ return $i;
- $dateformatstring = substr($dateformatstring, 1, strlen($dateformatstring)-1);
- }
- $j = @date($dateformatstring, $i);
- if ( !$j ) {
- // for debug purposes
- // echo $i." ".$mysqlstring;
- }
- return $j;
+ if ( $translate )
+ return date_i18n( $format, $i );
+ else
+ return date( $format, $i );
}
-function current_time($type, $gmt = 0) {
- switch ($type) {
+/**
+ * Retrieve the current time based on specified type.
+ *
+ * The 'mysql' type will return the time in the format for MySQL DATETIME field.
+ * The 'timestamp' type will return the current timestamp.
+ *
+ * If $gmt is set to either '1' or 'true', then both types will use GMT time.
+ * if $gmt is false, the output is adjusted with the GMT offset in the WordPress option.
+ *
+ * @since 1.0.0
+ *
+ * @param string $type Either 'mysql' or 'timestamp'.
+ * @param int|bool $gmt Optional. Whether to use GMT timezone. Default is false.
+ * @return int|string String if $type is 'gmt', int if $type is 'timestamp'.
+ */
+function current_time( $type, $gmt = 0 ) {
+ switch ( $type ) {
case 'mysql':
- if ( $gmt ) $d = gmdate('Y-m-d H:i:s');
- else $d = gmdate('Y-m-d H:i:s', (time() + (get_option('gmt_offset') * 3600)));
- return $d;
+ return ( $gmt ) ? gmdate( 'Y-m-d H:i:s' ) : gmdate( 'Y-m-d H:i:s', ( time() + ( get_option( 'gmt_offset' ) * HOUR_IN_SECONDS ) ) );
break;
case 'timestamp':
- if ( $gmt ) $d = time();
- else $d = time() + (get_option('gmt_offset') * 3600);
- return $d;
+ return ( $gmt ) ? time() : time() + ( get_option( 'gmt_offset' ) * HOUR_IN_SECONDS );
break;
}
}
-function date_i18n($dateformatstring, $unixtimestamp) {
+/**
+ * Retrieve the date in localized format, based on timestamp.
+ *
+ * If the locale specifies the locale month and weekday, then the locale will
+ * take over the format for the date. If it isn't, then the date format string
+ * will be used instead.
+ *
+ * @since 0.71
+ *
+ * @param string $dateformatstring Format to display the date.
+ * @param int $unixtimestamp Optional. Unix timestamp.
+ * @param bool $gmt Optional, default is false. Whether to convert to GMT for time.
+ * @return string The date, translated if locale specifies it.
+ */
+function date_i18n( $dateformatstring, $unixtimestamp = false, $gmt = false ) {
global $wp_locale;
$i = $unixtimestamp;
- if ( (!empty($wp_locale->month)) && (!empty($wp_locale->weekday)) ) {
- $datemonth = $wp_locale->get_month(date('m', $i));
- $datemonth_abbrev = $wp_locale->get_month_abbrev($datemonth);
- $dateweekday = $wp_locale->get_weekday(date('w', $i));
- $dateweekday_abbrev = $wp_locale->get_weekday_abbrev($dateweekday);
- $datemeridiem = $wp_locale->get_meridiem(date('a', $i));
- $datemeridiem_capital = $wp_locale->get_meridiem(date('A', $i));
- $dateformatstring = ' '.$dateformatstring;
- $dateformatstring = preg_replace("/([^\\\])D/", "\\1".backslashit($dateweekday_abbrev), $dateformatstring);
- $dateformatstring = preg_replace("/([^\\\])F/", "\\1".backslashit($datemonth), $dateformatstring);
- $dateformatstring = preg_replace("/([^\\\])l/", "\\1".backslashit($dateweekday), $dateformatstring);
- $dateformatstring = preg_replace("/([^\\\])M/", "\\1".backslashit($datemonth_abbrev), $dateformatstring);
- $dateformatstring = preg_replace("/([^\\\])a/", "\\1".backslashit($datemeridiem), $dateformatstring);
- $dateformatstring = preg_replace("/([^\\\])A/", "\\1".backslashit($datemeridiem_capital), $dateformatstring);
- $dateformatstring = substr($dateformatstring, 1, strlen($dateformatstring)-1);
+ if ( false === $i ) {
+ if ( ! $gmt )
+ $i = current_time( 'timestamp' );
+ else
+ $i = time();
+ // we should not let date() interfere with our
+ // specially computed timestamp
+ $gmt = true;
+ }
+
+ // store original value for language with untypical grammars
+ // see http://core.trac.wordpress.org/ticket/9396
+ $req_format = $dateformatstring;
+
+ $datefunc = $gmt? 'gmdate' : 'date';
+
+ if ( ( !empty( $wp_locale->month ) ) && ( !empty( $wp_locale->weekday ) ) ) {
+ $datemonth = $wp_locale->get_month( $datefunc( 'm', $i ) );
+ $datemonth_abbrev = $wp_locale->get_month_abbrev( $datemonth );
+ $dateweekday = $wp_locale->get_weekday( $datefunc( 'w', $i ) );
+ $dateweekday_abbrev = $wp_locale->get_weekday_abbrev( $dateweekday );
+ $datemeridiem = $wp_locale->get_meridiem( $datefunc( 'a', $i ) );
+ $datemeridiem_capital = $wp_locale->get_meridiem( $datefunc( 'A', $i ) );
+ $dateformatstring = ' '.$dateformatstring;
+ $dateformatstring = preg_replace( "/([^\\\])D/", "\\1" . backslashit( $dateweekday_abbrev ), $dateformatstring );
+ $dateformatstring = preg_replace( "/([^\\\])F/", "\\1" . backslashit( $datemonth ), $dateformatstring );
+ $dateformatstring = preg_replace( "/([^\\\])l/", "\\1" . backslashit( $dateweekday ), $dateformatstring );
+ $dateformatstring = preg_replace( "/([^\\\])M/", "\\1" . backslashit( $datemonth_abbrev ), $dateformatstring );
+ $dateformatstring = preg_replace( "/([^\\\])a/", "\\1" . backslashit( $datemeridiem ), $dateformatstring );
+ $dateformatstring = preg_replace( "/([^\\\])A/", "\\1" . backslashit( $datemeridiem_capital ), $dateformatstring );
+
+ $dateformatstring = substr( $dateformatstring, 1, strlen( $dateformatstring ) -1 );
+ }
+ $timezone_formats = array( 'P', 'I', 'O', 'T', 'Z', 'e' );
+ $timezone_formats_re = implode( '|', $timezone_formats );
+ if ( preg_match( "/$timezone_formats_re/", $dateformatstring ) ) {
+ $timezone_string = get_option( 'timezone_string' );
+ if ( $timezone_string ) {
+ $timezone_object = timezone_open( $timezone_string );
+ $date_object = date_create( null, $timezone_object );
+ foreach( $timezone_formats as $timezone_format ) {
+ if ( false !== strpos( $dateformatstring, $timezone_format ) ) {
+ $formatted = date_format( $date_object, $timezone_format );
+ $dateformatstring = ' '.$dateformatstring;
+ $dateformatstring = preg_replace( "/([^\\\])$timezone_format/", "\\1" . backslashit( $formatted ), $dateformatstring );
+ $dateformatstring = substr( $dateformatstring, 1, strlen( $dateformatstring ) -1 );
+ }
+ }
+ }
}
- $j = @date($dateformatstring, $i);
+ $j = @$datefunc( $dateformatstring, $i );
+ // allow plugins to redo this entirely for languages with untypical grammars
+ $j = apply_filters('date_i18n', $j, $req_format, $i, $gmt);
return $j;
}
-function number_format_i18n($number, $decimals = null) {
+/**
+ * Convert integer number to format based on the locale.
+ *
+ * @since 2.3.0
+ *
+ * @param int $number The number to convert based on locale.
+ * @param int $decimals Precision of the number of decimal places.
+ * @return string Converted number in string format.
+ */
+function number_format_i18n( $number, $decimals = 0 ) {
global $wp_locale;
- // let the user override the precision only
- $decimals = is_null($decimals)? $wp_locale->number_format['decimals'] : intval($decimals);
-
- return number_format($number, $decimals, $wp_locale->number_format['decimal_point'], $wp_locale->number_format['thousands_sep']);
+ $formatted = number_format( $number, absint( $decimals ), $wp_locale->number_format['decimal_point'], $wp_locale->number_format['thousands_sep'] );
+ return apply_filters( 'number_format_i18n', $formatted );
}
-function size_format($bytes, $decimals = null) {
- // technically the correct unit names for powers of 1024 are KiB, MiB etc
- // see http://en.wikipedia.org/wiki/Byte
+/**
+ * Convert number of bytes largest unit bytes will fit into.
+ *
+ * It is easier to read 1kB than 1024 bytes and 1MB than 1048576 bytes. Converts
+ * number of bytes to human readable number by taking the number of that unit
+ * that the bytes will go into it. Supports TB value.
+ *
+ * Please note that integers in PHP are limited to 32 bits, unless they are on
+ * 64 bit architecture, then they have 64 bit size. If you need to place the
+ * larger size then what PHP integer type will hold, then use a string. It will
+ * be converted to a double, which should always have 64 bit length.
+ *
+ * Technically the correct unit names for powers of 1024 are KiB, MiB etc.
+ * @link http://en.wikipedia.org/wiki/Byte
+ *
+ * @since 2.3.0
+ *
+ * @param int|string $bytes Number of bytes. Note max integer size for integers.
+ * @param int $decimals Precision of number of decimal places. Deprecated.
+ * @return bool|string False on failure. Number string on success.
+ */
+function size_format( $bytes, $decimals = 0 ) {
$quant = array(
- 'TB' => pow(1024, 4),
- 'GB' => pow(1024, 3),
- 'MB' => pow(1024, 2),
- 'kB' => pow(1024, 1),
- 'B' => pow(1024, 0),
+ // ========================= Origin ====
+ 'TB' => 1099511627776, // pow( 1024, 4)
+ 'GB' => 1073741824, // pow( 1024, 3)
+ 'MB' => 1048576, // pow( 1024, 2)
+ 'kB' => 1024, // pow( 1024, 1)
+ 'B ' => 1, // pow( 1024, 0)
);
+ foreach ( $quant as $unit => $mag )
+ if ( doubleval($bytes) >= $mag )
+ return number_format_i18n( $bytes / $mag, $decimals ) . ' ' . $unit;
- foreach ($quant as $unit => $mag)
- if ( intval($bytes) >= $mag )
- return number_format_i18n($bytes / $mag, $decimals) . ' ' . $unit;
+ return false;
}
-function get_weekstartend($mysqlstring, $start_of_week) {
- $my = substr($mysqlstring,0,4);
- $mm = substr($mysqlstring,8,2);
- $md = substr($mysqlstring,5,2);
- $day = mktime(0,0,0, $md, $mm, $my);
- $weekday = date('w',$day);
- $i = 86400;
-
- if ( $weekday < get_option('start_of_week') )
- $weekday = 7 - (get_option('start_of_week') - $weekday);
-
- while ($weekday > get_option('start_of_week')) {
- $weekday = date('w',$day);
- if ( $weekday < get_option('start_of_week') )
- $weekday = 7 - (get_option('start_of_week') - $weekday);
-
- $day = $day - 86400;
- $i = 0;
- }
- $week['start'] = $day + 86400 - $i;
- // $week['end'] = $day - $i + 691199;
- $week['end'] = $week['start'] + 604799;
- return $week;
+/**
+ * Get the week start and end from the datetime or date string from mysql.
+ *
+ * @since 0.71
+ *
+ * @param string $mysqlstring Date or datetime field type from mysql.
+ * @param int $start_of_week Optional. Start of the week as an integer.
+ * @return array Keys are 'start' and 'end'.
+ */
+function get_weekstartend( $mysqlstring, $start_of_week = '' ) {
+ $my = substr( $mysqlstring, 0, 4 ); // Mysql string Year
+ $mm = substr( $mysqlstring, 8, 2 ); // Mysql string Month
+ $md = substr( $mysqlstring, 5, 2 ); // Mysql string day
+ $day = mktime( 0, 0, 0, $md, $mm, $my ); // The timestamp for mysqlstring day.
+ $weekday = date( 'w', $day ); // The day of the week from the timestamp
+ if ( !is_numeric($start_of_week) )
+ $start_of_week = get_option( 'start_of_week' );
+
+ if ( $weekday < $start_of_week )
+ $weekday += 7;
+
+ $start = $day - DAY_IN_SECONDS * ( $weekday - $start_of_week ); // The most recent week start day on or before $day
+ $end = $start + 7 * DAY_IN_SECONDS - 1; // $start + 7 days - 1 second
+ return compact( 'start', 'end' );
}
-function maybe_unserialize($original) {
- if ( is_serialized($original) ) // don't attempt to unserialize data that wasn't serialized going in
- if ( false !== $gm = @ unserialize($original) )
- return $gm;
+/**
+ * Unserialize value only if it was serialized.
+ *
+ * @since 2.0.0
+ *
+ * @param string $original Maybe unserialized original, if is needed.
+ * @return mixed Unserialized data can be any type.
+ */
+function maybe_unserialize( $original ) {
+ if ( is_serialized( $original ) ) // don't attempt to unserialize data that wasn't serialized going in
+ return @unserialize( $original );
return $original;
}
-function is_serialized($data) {
+/**
+ * Check value to find if it was serialized.
+ *
+ * If $data is not an string, then returned value will always be false.
+ * Serialized data is always a string.
+ *
+ * @since 2.0.5
+ *
+ * @param mixed $data Value to check to see if was serialized.
+ * @param bool $strict Optional. Whether to be strict about the end of the string. Defaults true.
+ * @return bool False if not serialized and true if it was.
+ */
+function is_serialized( $data, $strict = true ) {
// if it isn't a string, it isn't serialized
- if ( !is_string($data) )
+ if ( ! is_string( $data ) )
return false;
- $data = trim($data);
- if ( 'N;' == $data )
+ $data = trim( $data );
+ if ( 'N;' == $data )
return true;
- if ( !preg_match('/^([adObis]):/', $data, $badions) )
- return false;
- switch ( $badions[1] ) :
- case 'a' :
- case 'O' :
- case 's' :
- if ( preg_match("/^{$badions[1]}:[0-9]+:.*[;}]\$/s", $data) )
- return true;
- break;
- case 'b' :
- case 'i' :
- case 'd' :
- if ( preg_match("/^{$badions[1]}:[0-9.E-]+;\$/", $data) )
- return true;
- break;
- endswitch;
- return false;
-}
-
-function is_serialized_string($data) {
- // if it isn't a string, it isn't a serialized string
- if ( !is_string($data) )
+ $length = strlen( $data );
+ if ( $length < 4 )
return false;
- $data = trim($data);
- if ( preg_match('/^s:[0-9]+:.*;$/s',$data) ) // this should fetch all serialized strings
- return true;
- return false;
-}
-
-/* Options functions */
-
-// expects $setting to already be SQL-escaped
-function get_option($setting) {
- global $wpdb;
-
- // Allow plugins to short-circuit options.
- $pre = apply_filters( 'pre_option_' . $setting, false );
- if ( false !== $pre )
- return $pre;
-
- // prevent non-existent options from triggering multiple queries
- $notoptions = wp_cache_get('notoptions', 'options');
- if ( isset($notoptions[$setting]) )
+ if ( ':' !== $data[1] )
return false;
-
- $alloptions = wp_load_alloptions();
-
- if ( isset($alloptions[$setting]) ) {
- $value = $alloptions[$setting];
+ if ( $strict ) {
+ $lastc = $data[ $length - 1 ];
+ if ( ';' !== $lastc && '}' !== $lastc )
+ return false;
} else {
- $value = wp_cache_get($setting, 'options');
-
- if ( false === $value ) {
- if ( defined('WP_INSTALLING') )
- $show = $wpdb->hide_errors();
- $row = $wpdb->get_row("SELECT option_value FROM $wpdb->options WHERE option_name = '$setting' LIMIT 1");
- if ( defined('WP_INSTALLING') )
- $wpdb->show_errors($show);
-
- if( is_object( $row) ) { // Has to be get_row instead of get_var because of funkiness with 0, false, null values
- $value = $row->option_value;
- wp_cache_add($setting, $value, 'options');
- } else { // option does not exist, so we must cache its non-existence
- $notoptions[$setting] = true;
- wp_cache_set('notoptions', $notoptions, 'options');
+ $semicolon = strpos( $data, ';' );
+ $brace = strpos( $data, '}' );
+ // Either ; or } must exist.
+ if ( false === $semicolon && false === $brace )
+ return false;
+ // But neither must be in the first X characters.
+ if ( false !== $semicolon && $semicolon < 3 )
+ return false;
+ if ( false !== $brace && $brace < 4 )
+ return false;
+ }
+ $token = $data[0];
+ switch ( $token ) {
+ case 's' :
+ if ( $strict ) {
+ if ( '"' !== $data[ $length - 2 ] )
+ return false;
+ } elseif ( false === strpos( $data, '"' ) ) {
return false;
}
- }
- }
-
- // If home is not set use siteurl.
- if ( 'home' == $setting && '' == $value )
- return get_option('siteurl');
-
- if ( in_array($setting, array('siteurl', 'home', 'category_base', 'tag_base')) )
- $value = untrailingslashit($value);
-
- return apply_filters( 'option_' . $setting, maybe_unserialize($value) );
-}
-
-function wp_protect_special_option($option) {
- $protected = array('alloptions', 'notoptions');
- if ( in_array($option, $protected) )
- die(sprintf(__('%s is a protected WP option and may not be modified'), wp_specialchars($option)));
-}
-
-function form_option($option) {
- echo attribute_escape(get_option($option));
-}
-
-function get_alloptions() {
- global $wpdb, $wp_queries;
- $show = $wpdb->hide_errors();
- if ( !$options = $wpdb->get_results("SELECT option_name, option_value FROM $wpdb->options WHERE autoload = 'yes'") ) {
- $options = $wpdb->get_results("SELECT option_name, option_value FROM $wpdb->options");
- }
- $wpdb->show_errors($show);
-
- foreach ($options as $option) {
- // "When trying to design a foolproof system,
- // never underestimate the ingenuity of the fools :)" -- Dougal
- if ( 'siteurl' == $option->option_name )
- $option->option_value = preg_replace('|/+$|', '', $option->option_value);
- if ( 'home' == $option->option_name )
- $option->option_value = preg_replace('|/+$|', '', $option->option_value);
- if ( 'category_base' == $option->option_name )
- $option->option_value = preg_replace('|/+$|', '', $option->option_value);
- $value = maybe_unserialize($option->option_value);
- $all_options->{$option->option_name} = apply_filters('pre_option_' . $option->option_name, $value);
- }
- return apply_filters('all_options', $all_options);
-}
-
-function wp_load_alloptions() {
- global $wpdb;
-
- $alloptions = wp_cache_get('alloptions', 'options');
-
- if ( !$alloptions ) {
- $show = $wpdb->hide_errors();
- if ( !$alloptions_db = $wpdb->get_results("SELECT option_name, option_value FROM $wpdb->options WHERE autoload = 'yes'") )
- $alloptions_db = $wpdb->get_results("SELECT option_name, option_value FROM $wpdb->options");
- $wpdb->show_errors($show);
- $alloptions = array();
- foreach ( (array) $alloptions_db as $o )
- $alloptions[$o->option_name] = $o->option_value;
- wp_cache_add('alloptions', $alloptions, 'options');
+ // or else fall through
+ case 'a' :
+ case 'O' :
+ return (bool) preg_match( "/^{$token}:[0-9]+:/s", $data );
+ case 'b' :
+ case 'i' :
+ case 'd' :
+ $end = $strict ? '$' : '';
+ return (bool) preg_match( "/^{$token}:[0-9.E-]+;$end/", $data );
}
- return $alloptions;
+ return false;
}
-// expects $option_name to NOT be SQL-escaped
-function update_option($option_name, $newvalue) {
- global $wpdb;
-
- wp_protect_special_option($option_name);
-
- $safe_option_name = $wpdb->escape($option_name);
- $newvalue = sanitize_option($option_name, $newvalue);
-
- if ( is_string($newvalue) )
- $newvalue = trim($newvalue);
-
- // If the new and old values are the same, no need to update.
- $oldvalue = get_option($safe_option_name);
- if ( $newvalue === $oldvalue ) {
+/**
+ * Check whether serialized data is of string type.
+ *
+ * @since 2.0.5
+ *
+ * @param mixed $data Serialized data
+ * @return bool False if not a serialized string, true if it is.
+ */
+function is_serialized_string( $data ) {
+ // if it isn't a string, it isn't a serialized string
+ if ( !is_string( $data ) )
return false;
- }
-
- if ( false === $oldvalue ) {
- add_option($option_name, $newvalue);
- return true;
- }
-
- $notoptions = wp_cache_get('notoptions', 'options');
- if ( is_array($notoptions) && isset($notoptions[$option_name]) ) {
- unset($notoptions[$option_name]);
- wp_cache_set('notoptions', $notoptions, 'options');
- }
-
- $_newvalue = $newvalue;
- $newvalue = maybe_serialize($newvalue);
-
- $alloptions = wp_load_alloptions();
- if ( isset($alloptions[$option_name]) ) {
- $alloptions[$option_name] = $newvalue;
- wp_cache_set('alloptions', $alloptions, 'options');
- } else {
- wp_cache_set($option_name, $newvalue, 'options');
- }
-
- $newvalue = $wpdb->escape($newvalue);
- $option_name = $wpdb->escape($option_name);
- $wpdb->query("UPDATE $wpdb->options SET option_value = '$newvalue' WHERE option_name = '$option_name'");
- if ( $wpdb->rows_affected == 1 ) {
- do_action("update_option_{$option_name}", $oldvalue, $_newvalue);
+ $data = trim( $data );
+ $length = strlen( $data );
+ if ( $length < 4 )
+ return false;
+ elseif ( ':' !== $data[1] )
+ return false;
+ elseif ( ';' !== $data[$length-1] )
+ return false;
+ elseif ( $data[0] !== 's' )
+ return false;
+ elseif ( '"' !== $data[$length-2] )
+ return false;
+ else
return true;
- }
- return false;
-}
-
-// thx Alex Stapleton, http://alex.vort-x.net/blog/
-// expects $name to NOT be SQL-escaped
-function add_option($name, $value = '', $deprecated = '', $autoload = 'yes') {
- global $wpdb;
-
- wp_protect_special_option($name);
- $safe_name = $wpdb->escape($name);
-
- // Make sure the option doesn't already exist. We can check the 'notoptions' cache before we ask for a db query
- $notoptions = wp_cache_get('notoptions', 'options');
- if ( !is_array($notoptions) || !isset($notoptions[$name]) )
- if ( false !== get_option($safe_name) )
- return;
-
- $value = maybe_serialize($value);
- $autoload = ( 'no' === $autoload ) ? 'no' : 'yes';
-
- if ( 'yes' == $autoload ) {
- $alloptions = wp_load_alloptions();
- $alloptions[$name] = $value;
- wp_cache_set('alloptions', $alloptions, 'options');
- } else {
- wp_cache_set($name, $value, 'options');
- }
-
- // This option exists now
- $notoptions = wp_cache_get('notoptions', 'options'); // yes, again... we need it to be fresh
- if ( is_array($notoptions) && isset($notoptions[$name]) ) {
- unset($notoptions[$name]);
- wp_cache_set('notoptions', $notoptions, 'options');
- }
-
- $name = $wpdb->escape($name);
- $value = $wpdb->escape($value);
- $wpdb->query("INSERT INTO $wpdb->options (option_name, option_value, autoload) VALUES ('$name', '$value', '$autoload')");
-
- return;
}
-function delete_option($name) {
- global $wpdb;
-
- wp_protect_special_option($name);
-
- // Get the ID, if no ID then return
- $option = $wpdb->get_row("SELECT option_id, autoload FROM $wpdb->options WHERE option_name = '$name'");
- if ( !$option->option_id ) return false;
- $wpdb->query("DELETE FROM $wpdb->options WHERE option_name = '$name'");
- if ( 'yes' == $option->autoload ) {
- $alloptions = wp_load_alloptions();
- if ( isset($alloptions[$name]) ) {
- unset($alloptions[$name]);
- wp_cache_set('alloptions', $alloptions, 'options');
- }
- } else {
- wp_cache_delete($name, 'options');
- }
- return true;
-}
+/**
+ * Serialize data, if needed.
+ *
+ * @since 2.0.5
+ *
+ * @param mixed $data Data that might be serialized.
+ * @return mixed A scalar data
+ */
+function maybe_serialize( $data ) {
+ if ( is_array( $data ) || is_object( $data ) )
+ return serialize( $data );
+
+ // Double serialization is required for backward compatibility.
+ // See http://core.trac.wordpress.org/ticket/12930
+ if ( is_serialized( $data, false ) )
+ return serialize( $data );
-function maybe_serialize($data) {
- if ( is_string($data) )
- $data = trim($data);
- elseif ( is_array($data) || is_object($data) )
- return serialize($data);
- if ( is_serialized($data) )
- return serialize($data);
return $data;
}
-function gzip_compression() {
- if ( !get_option( 'gzipcompression' ) ) {
- return false;
- }
-
- if ( ( ini_get( 'zlib.output_compression' ) == 'On' || ini_get( 'zlib.output_compression_level' ) > 0 ) || ini_get( 'output_handler' ) == 'ob_gzhandler' ) {
- return false;
- }
-
- if ( extension_loaded( 'zlib' ) ) {
- ob_start( 'ob_gzhandler' );
- }
-}
-
-function make_url_footnote($content) {
- preg_match_all('/<a(.+?)href=\"(.+?)\"(.*?)>(.+?)<\/a>/', $content, $matches);
- $j = 0;
- for ($i=0; $i<count($matches[0]); $i++) {
- $links_summary = (!$j) ? "\n" : $links_summary;
- $j++;
- $link_match = $matches[0][$i];
- $link_number = '['.($i+1).']';
- $link_url = $matches[2][$i];
- $link_text = $matches[4][$i];
- $content = str_replace($link_match, $link_text.' '.$link_number, $content);
- $link_url = ((strtolower(substr($link_url,0,7)) != 'http://') && (strtolower(substr($link_url,0,8)) != 'https://')) ? get_option('home') . $link_url : $link_url;
- $links_summary .= "\n".$link_number.' '.$link_url;
- }
- $content = strip_tags($content);
- $content .= $links_summary;
- return $content;
-}
-
-
-function xmlrpc_getposttitle($content) {
+/**
+ * Retrieve post title from XMLRPC XML.
+ *
+ * If the title element is not part of the XML, then the default post title from
+ * the $post_default_title will be used instead.
+ *
+ * @package WordPress
+ * @subpackage XMLRPC
+ * @since 0.71
+ *
+ * @global string $post_default_title Default XMLRPC post title.
+ *
+ * @param string $content XMLRPC XML Request content
+ * @return string Post title
+ */
+function xmlrpc_getposttitle( $content ) {
global $post_default_title;
- if ( preg_match('/<title>(.+?)<\/title>/is', $content, $matchtitle) ) {
- $post_title = $matchtitle[0];
- $post_title = preg_replace('/<title>/si', '', $post_title);
- $post_title = preg_replace('/<\/title>/si', '', $post_title);
+ if ( preg_match( '/<title>(.+?)<\/title>/is', $content, $matchtitle ) ) {
+ $post_title = $matchtitle[1];
} else {
$post_title = $post_default_title;
}
return $post_title;
}
-function xmlrpc_getpostcategory($content) {
+/**
+ * Retrieve the post category or categories from XMLRPC XML.
+ *
+ * If the category element is not found, then the default post category will be
+ * used. The return type then would be what $post_default_category. If the
+ * category is found, then it will always be an array.
+ *
+ * @package WordPress
+ * @subpackage XMLRPC
+ * @since 0.71
+ *
+ * @global string $post_default_category Default XMLRPC post category.
+ *
+ * @param string $content XMLRPC XML Request content
+ * @return string|array List of categories or category name.
+ */
+function xmlrpc_getpostcategory( $content ) {
global $post_default_category;
- if ( preg_match('/<category>(.+?)<\/category>/is', $content, $matchcat) ) {
- $post_category = trim($matchcat[1], ',');
- $post_category = explode(',', $post_category);
+ if ( preg_match( '/<category>(.+?)<\/category>/is', $content, $matchcat ) ) {
+ $post_category = trim( $matchcat[1], ',' );
+ $post_category = explode( ',', $post_category );
} else {
$post_category = $post_default_category;
}
return $post_category;
}
-function xmlrpc_removepostdata($content) {
- $content = preg_replace('/<title>(.+?)<\/title>/si', '', $content);
- $content = preg_replace('/<category>(.+?)<\/category>/si', '', $content);
- $content = trim($content);
+/**
+ * XMLRPC XML content without title and category elements.
+ *
+ * @package WordPress
+ * @subpackage XMLRPC
+ * @since 0.71
+ *
+ * @param string $content XMLRPC XML Request content
+ * @return string XMLRPC XML Request content without title and category elements.
+ */
+function xmlrpc_removepostdata( $content ) {
+ $content = preg_replace( '/<title>(.+?)<\/title>/si', '', $content );
+ $content = preg_replace( '/<category>(.+?)<\/category>/si', '', $content );
+ $content = trim( $content );
return $content;
}
-function debug_fopen($filename, $mode) {
- global $debug;
- if ( $debug == 1 ) {
- $fp = fopen($filename, $mode);
- return $fp;
- } else {
- return false;
- }
-}
+/**
+ * Use RegEx to extract URLs from arbitrary content
+ *
+ * @since 3.7.0
+ *
+ * @param string $content
+ * @return array URLs found in passed string
+ */
+function wp_extract_urls( $content ) {
+ preg_match_all(
+ "#((?:[\w-]+://?|[\w\d]+[.])[^\s()<>]+[.](?:\([\w\d]+\)|(?:[^`!()\[\]{};:'\".,<>?«»“”‘’\s]|(?:[:]\d+)?/?)+))#",
+ $content,
+ $post_links
+ );
-function debug_fwrite($fp, $string) {
- global $debug;
- if ( $debug == 1 ) {
- fwrite($fp, $string);
- }
-}
+ $post_links = array_unique( array_map( 'html_entity_decode', $post_links[0] ) );
-function debug_fclose($fp) {
- global $debug;
- if ( $debug == 1 ) {
- fclose($fp);
- }
+ return array_values( $post_links );
}
+/**
+ * Check content for video and audio links to add as enclosures.
+ *
+ * Will not add enclosures that have already been added and will
+ * remove enclosures that are no longer in the post. This is called as
+ * pingbacks and trackbacks.
+ *
+ * @package WordPress
+ * @since 1.5.0
+ *
+ * @uses $wpdb
+ *
+ * @param string $content Post Content
+ * @param int $post_ID Post ID
+ */
function do_enclose( $content, $post_ID ) {
- global $wp_version, $wpdb;
- include_once (ABSPATH . WPINC . '/class-IXR.php');
+ global $wpdb;
+
+ //TODO: Tidy this ghetto code up and make the debug code optional
+ include_once( ABSPATH . WPINC . '/class-IXR.php' );
- $log = debug_fopen(ABSPATH . 'enclosures.log', 'a');
$post_links = array();
- debug_fwrite($log, 'BEGIN '.date('YmdHis', time())."\n");
$pung = get_enclosed( $post_ID );
- $ltrs = '\w';
- $gunk = '/#~:.?+=&%@!\-';
- $punc = '.:?\-';
- $any = $ltrs . $gunk . $punc;
+ $post_links_temp = wp_extract_urls( $content );
- preg_match_all("{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp);
-
- debug_fwrite($log, 'Post contents:');
- debug_fwrite($log, $content."\n");
+ foreach ( $pung as $link_test ) {
+ if ( ! in_array( $link_test, $post_links_temp ) ) { // link no longer in post
+ $mids = $wpdb->get_col( $wpdb->prepare("SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE (%s)", $post_ID, like_escape( $link_test ) . '%') );
+ foreach ( $mids as $mid )
+ delete_metadata_by_mid( 'post', $mid );
+ }
+ }
- foreach($post_links_temp[0] as $link_test) :
- if ( !in_array($link_test, $pung) ) : // If we haven't pung it already
- $test = parse_url($link_test);
- if ( isset($test['query']) )
+ foreach ( (array) $post_links_temp as $link_test ) {
+ if ( !in_array( $link_test, $pung ) ) { // If we haven't pung it already
+ $test = @parse_url( $link_test );
+ if ( false === $test )
+ continue;
+ if ( isset( $test['query'] ) )
$post_links[] = $link_test;
- elseif (($test['path'] != '/') && ($test['path'] != ''))
+ elseif ( isset($test['path']) && ( $test['path'] != '/' ) && ($test['path'] != '' ) )
$post_links[] = $link_test;
- endif;
- endforeach;
+ }
+ }
+
+ foreach ( (array) $post_links as $url ) {
+ if ( $url != '' && !$wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE (%s)", $post_ID, like_escape( $url ) . '%' ) ) ) {
- foreach ($post_links as $url) :
- if ( $url != '' && !$wpdb->get_var("SELECT post_id FROM $wpdb->postmeta WHERE post_id = '$post_ID' AND meta_key = 'enclosure' AND meta_value LIKE ('$url%')") ) {
if ( $headers = wp_get_http_headers( $url) ) {
- $len = (int) $headers['content-length'];
- $type = $wpdb->escape( $headers['content-type'] );
+ $len = isset( $headers['content-length'] ) ? (int) $headers['content-length'] : 0;
+ $type = isset( $headers['content-type'] ) ? $headers['content-type'] : '';
$allowed_types = array( 'video', 'audio' );
+
+ // Check to see if we can figure out the mime type from
+ // the extension
+ $url_parts = @parse_url( $url );
+ if ( false !== $url_parts ) {
+ $extension = pathinfo( $url_parts['path'], PATHINFO_EXTENSION );
+ if ( !empty( $extension ) ) {
+ foreach ( wp_get_mime_types() as $exts => $mime ) {
+ if ( preg_match( '!^(' . $exts . ')$!i', $extension ) ) {
+ $type = $mime;
+ break;
+ }
+ }
+ }
+ }
+
if ( in_array( substr( $type, 0, strpos( $type, "/" ) ), $allowed_types ) ) {
- $meta_value = "$url\n$len\n$type\n";
- $wpdb->query( "INSERT INTO `$wpdb->postmeta` ( `post_id` , `meta_key` , `meta_value` )
- VALUES ( '$post_ID', 'enclosure' , '$meta_value')" );
+ add_post_meta( $post_ID, 'enclosure', "$url\n$len\n$mime\n" );
}
}
}
- endforeach;
+ }
}
-function wp_get_http_headers( $url, $red = 1 ) {
- global $wp_version;
+/**
+ * Perform a HTTP HEAD or GET request.
+ *
+ * If $file_path is a writable filename, this will do a GET request and write
+ * the file to that path.
+ *
+ * @since 2.5.0
+ *
+ * @param string $url URL to fetch.
+ * @param string|bool $file_path Optional. File path to write request to.
+ * @param int $red (private) The number of Redirects followed, Upon 5 being hit, returns false.
+ * @return bool|string False on failure and string of headers if HEAD request.
+ */
+function wp_get_http( $url, $file_path = false, $red = 1 ) {
@set_time_limit( 60 );
if ( $red > 5 )
- return false;
+ return false;
+
+ $options = array();
+ $options['redirection'] = 5;
- $parts = parse_url( $url );
- $file = $parts['path'] . ($parts['query'] ? '?'.$parts['query'] : '');
- $host = $parts['host'];
- if ( !isset( $parts['port'] ) )
- $parts['port'] = 80;
+ if ( false == $file_path )
+ $options['method'] = 'HEAD';
+ else
+ $options['method'] = 'GET';
- $head = "HEAD $file HTTP/1.1\r\nHOST: $host\r\nUser-Agent: WordPress/" . $wp_version . "\r\n\r\n";
+ $response = wp_safe_remote_request( $url, $options );
- $fp = @fsockopen($host, $parts['port'], $err_num, $err_msg, 3);
- if ( !$fp )
+ if ( is_wp_error( $response ) )
return false;
- $response = '';
- fputs( $fp, $head );
- while ( !feof( $fp ) && strpos( $response, "\r\n\r\n" ) == false )
- $response .= fgets( $fp, 2048 );
- fclose( $fp );
- preg_match_all('/(.*?): (.*)\r/', $response, $matches);
- $count = count($matches[1]);
- for ( $i = 0; $i < $count; $i++) {
- $key = strtolower($matches[1][$i]);
- $headers["$key"] = $matches[2][$i];
+ $headers = wp_remote_retrieve_headers( $response );
+ $headers['response'] = wp_remote_retrieve_response_code( $response );
+
+ // WP_HTTP no longer follows redirects for HEAD requests.
+ if ( 'HEAD' == $options['method'] && in_array($headers['response'], array(301, 302)) && isset( $headers['location'] ) ) {
+ return wp_get_http( $headers['location'], $file_path, ++$red );
}
- preg_match('/.*([0-9]{3}).*/', $response, $return);
- $headers['response'] = $return[1]; // HTTP response code eg 204, 200, 404
+ if ( false == $file_path )
+ return $headers;
+
+ // GET request - write it to the supplied filename
+ $out_fp = fopen($file_path, 'w');
+ if ( !$out_fp )
+ return $headers;
- $code = $headers['response'];
- if ( ('302' == $code || '301' == $code) && isset($headers['location']) )
- return wp_get_http_headers( $headers['location'], ++$red );
+ fwrite( $out_fp, wp_remote_retrieve_body( $response ) );
+ fclose($out_fp);
+ clearstatcache();
return $headers;
}
+/**
+ * Retrieve HTTP Headers from URL.
+ *
+ * @since 1.5.1
+ *
+ * @param string $url
+ * @param bool $deprecated Not Used.
+ * @return bool|string False on failure, headers on success.
+ */
+function wp_get_http_headers( $url, $deprecated = false ) {
+ if ( !empty( $deprecated ) )
+ _deprecated_argument( __FUNCTION__, '2.7' );
+
+ $response = wp_safe_remote_head( $url );
+
+ if ( is_wp_error( $response ) )
+ return false;
+
+ return wp_remote_retrieve_headers( $response );
+}
+
+/**
+ * Whether today is a new day.
+ *
+ * @since 0.71
+ * @uses $day Today
+ * @uses $previousday Previous day
+ *
+ * @return int 1 when new day, 0 if not a new day.
+ */
function is_new_day() {
- global $day, $previousday;
- if ( $day != $previousday ) {
- return(1);
- } else {
- return(0);
- }
+ global $currentday, $previousday;
+ if ( $currentday != $previousday )
+ return 1;
+ else
+ return 0;
}
-function build_query($data) {
- return _http_build_query($data, NULL, '&', '', false);
+/**
+ * Build URL query based on an associative and, or indexed array.
+ *
+ * This is a convenient function for easily building url queries. It sets the
+ * separator to '&' and uses _http_build_query() function.
+ *
+ * @see _http_build_query() Used to build the query
+ * @link http://us2.php.net/manual/en/function.http-build-query.php more on what
+ * http_build_query() does.
+ *
+ * @since 2.3.0
+ *
+ * @param array $data URL-encode key/value pairs.
+ * @return string URL encoded string
+ */
+function build_query( $data ) {
+ return _http_build_query( $data, null, '&', '', false );
}
-/*
-add_query_arg: Returns a modified querystring by adding
-a single key & value or an associative array.
-Setting a key value to emptystring removes the key.
-Omitting oldquery_or_uri uses the $_SERVER value.
+// from php.net (modified by Mark Jaquith to behave like the native PHP5 function)
+function _http_build_query($data, $prefix=null, $sep=null, $key='', $urlencode=true) {
+ $ret = array();
+
+ foreach ( (array) $data as $k => $v ) {
+ if ( $urlencode)
+ $k = urlencode($k);
+ if ( is_int($k) && $prefix != null )
+ $k = $prefix.$k;
+ if ( !empty($key) )
+ $k = $key . '%5B' . $k . '%5D';
+ if ( $v === null )
+ continue;
+ elseif ( $v === FALSE )
+ $v = '0';
+
+ if ( is_array($v) || is_object($v) )
+ array_push($ret,_http_build_query($v, '', $sep, $k, $urlencode));
+ elseif ( $urlencode )
+ array_push($ret, $k.'='.urlencode($v));
+ else
+ array_push($ret, $k.'='.$v);
+ }
+
+ if ( null === $sep )
+ $sep = ini_get('arg_separator.output');
-Parameters:
-add_query_arg(newkey, newvalue, oldquery_or_uri) or
-add_query_arg(associative_array, oldquery_or_uri)
-*/
+ return implode($sep, $ret);
+}
+
+/**
+ * Retrieve a modified URL query string.
+ *
+ * You can rebuild the URL and append a new query variable to the URL query by
+ * using this function. You can also retrieve the full URL with query data.
+ *
+ * Adding a single key & value or an associative array. Setting a key value to
+ * an empty string removes the key. Omitting oldquery_or_uri uses the $_SERVER
+ * value. Additional values provided are expected to be encoded appropriately
+ * with urlencode() or rawurlencode().
+ *
+ * @since 1.5.0
+ *
+ * @param mixed $param1 Either newkey or an associative_array
+ * @param mixed $param2 Either newvalue or oldquery or uri
+ * @param mixed $param3 Optional. Old query or uri
+ * @return string New URL query string.
+ */
function add_query_arg() {
$ret = '';
- if ( is_array(func_get_arg(0)) ) {
- if ( @func_num_args() < 2 || false === @func_get_arg(1) )
+ $args = func_get_args();
+ if ( is_array( $args[0] ) ) {
+ if ( count( $args ) < 2 || false === $args[1] )
$uri = $_SERVER['REQUEST_URI'];
else
- $uri = @func_get_arg(1);
+ $uri = $args[1];
} else {
- if ( @func_num_args() < 3 || false === @func_get_arg(2) )
+ if ( count( $args ) < 3 || false === $args[2] )
$uri = $_SERVER['REQUEST_URI'];
else
- $uri = @func_get_arg(2);
+ $uri = $args[2];
}
- if ( $frag = strstr($uri, '#') )
- $uri = substr($uri, 0, -strlen($frag));
+ if ( $frag = strstr( $uri, '#' ) )
+ $uri = substr( $uri, 0, -strlen( $frag ) );
else
$frag = '';
- if ( preg_match('|^https?://|i', $uri, $matches) ) {
- $protocol = $matches[0];
- $uri = substr($uri, strlen($protocol));
+ if ( 0 === stripos( $uri, 'http://' ) ) {
+ $protocol = 'http://';
+ $uri = substr( $uri, 7 );
+ } elseif ( 0 === stripos( $uri, 'https://' ) ) {
+ $protocol = 'https://';
+ $uri = substr( $uri, 8 );
} else {
$protocol = '';
}
- if (strpos($uri, '?') !== false) {
- $parts = explode('?', $uri, 2);
- if ( 1 == count($parts) ) {
- $base = '?';
- $query = $parts[0];
- } else {
- $base = $parts[0] . '?';
- $query = $parts[1];
- }
- } elseif (!empty($protocol) || strpos($uri, '=') === false ) {
+ if ( strpos( $uri, '?' ) !== false ) {
+ list( $base, $query ) = explode( '?', $uri, 2 );
+ $base .= '?';
+ } elseif ( $protocol || strpos( $uri, '=' ) === false ) {
$base = $uri . '?';
$query = '';
} else {
$query = $uri;
}
- wp_parse_str($query, $qs);
- $qs = urlencode_deep($qs); // this re-URL-encodes things that were already in the query string
- if ( is_array(func_get_arg(0)) ) {
- $kayvees = func_get_arg(0);
- $qs = array_merge($qs, $kayvees);
+ wp_parse_str( $query, $qs );
+ $qs = urlencode_deep( $qs ); // this re-URL-encodes things that were already in the query string
+ if ( is_array( $args[0] ) ) {
+ $kayvees = $args[0];
+ $qs = array_merge( $qs, $kayvees );
} else {
- $qs[func_get_arg(0)] = func_get_arg(1);
+ $qs[ $args[0] ] = $args[1];
}
foreach ( $qs as $k => $v ) {
if ( $v === false )
- unset($qs[$k]);
+ unset( $qs[$k] );
}
- $ret = build_query($qs);
- $ret = trim($ret, '?');
- $ret = preg_replace('#=(&|$)#', '$1', $ret);
+ $ret = build_query( $qs );
+ $ret = trim( $ret, '?' );
+ $ret = preg_replace( '#=(&|$)#', '$1', $ret );
$ret = $protocol . $base . $ret . $frag;
- $ret = rtrim($ret, '?');
+ $ret = rtrim( $ret, '?' );
return $ret;
}
-/*
-remove_query_arg: Returns a modified querystring by removing
-a single key or an array of keys.
-Omitting oldquery_or_uri uses the $_SERVER value.
-
-Parameters:
-remove_query_arg(removekey, [oldquery_or_uri]) or
-remove_query_arg(removekeyarray, [oldquery_or_uri])
-*/
-
-function remove_query_arg($key, $query=FALSE) {
- if ( is_array($key) ) { // removing multiple keys
- foreach ( (array) $key as $k )
- $query = add_query_arg($k, FALSE, $query);
+/**
+ * Removes an item or list from the query string.
+ *
+ * @since 1.5.0
+ *
+ * @param string|array $key Query key or keys to remove.
+ * @param bool $query When false uses the $_SERVER value.
+ * @return string New URL query string.
+ */
+function remove_query_arg( $key, $query=false ) {
+ if ( is_array( $key ) ) { // removing multiple keys
+ foreach ( $key as $k )
+ $query = add_query_arg( $k, false, $query );
return $query;
}
- return add_query_arg($key, FALSE, $query);
+ return add_query_arg( $key, false, $query );
}
-function add_magic_quotes($array) {
- global $wpdb;
-
- foreach ($array as $k => $v) {
- if ( is_array($v) ) {
- $array[$k] = add_magic_quotes($v);
+/**
+ * Walks the array while sanitizing the contents.
+ *
+ * @since 0.71
+ *
+ * @param array $array Array to walk while sanitizing contents.
+ * @return array Sanitized $array.
+ */
+function add_magic_quotes( $array ) {
+ foreach ( (array) $array as $k => $v ) {
+ if ( is_array( $v ) ) {
+ $array[$k] = add_magic_quotes( $v );
} else {
- $array[$k] = $wpdb->escape($v);
+ $array[$k] = addslashes( $v );
}
}
return $array;
}
+/**
+ * HTTP request for URI to retrieve content.
+ *
+ * @since 1.5.1
+ * @uses wp_remote_get()
+ *
+ * @param string $uri URI/URL of web page to retrieve.
+ * @return bool|string HTTP content. False on failure.
+ */
function wp_remote_fopen( $uri ) {
- $timeout = 10;
- $parsed_url = @parse_url($uri);
+ $parsed_url = @parse_url( $uri );
- if ( !$parsed_url || !is_array($parsed_url) )
+ if ( !$parsed_url || !is_array( $parsed_url ) )
return false;
- if ( !isset($parsed_url['scheme']) || !in_array($parsed_url['scheme'], array('http','https')) )
- $uri = 'http://' . $uri;
+ $options = array();
+ $options['timeout'] = 10;
- if ( ini_get('allow_url_fopen') ) {
- $fp = @fopen( $uri, 'r' );
- if ( !$fp )
- return false;
+ $response = wp_safe_remote_get( $uri, $options );
- //stream_set_timeout($fp, $timeout); // Requires php 4.3
- $linea = '';
- while( $remote_read = fread($fp, 4096) )
- $linea .= $remote_read;
- fclose($fp);
- return $linea;
- } else if ( function_exists('curl_init') ) {
- $handle = curl_init();
- curl_setopt ($handle, CURLOPT_URL, $uri);
- curl_setopt ($handle, CURLOPT_CONNECTTIMEOUT, 1);
- curl_setopt ($handle, CURLOPT_RETURNTRANSFER, 1);
- curl_setopt ($handle, CURLOPT_TIMEOUT, $timeout);
- $buffer = curl_exec($handle);
- curl_close($handle);
- return $buffer;
- } else {
+ if ( is_wp_error( $response ) )
return false;
- }
+
+ return wp_remote_retrieve_body( $response );
}
-function wp($query_vars = '') {
+/**
+ * Set up the WordPress query.
+ *
+ * @since 2.0.0
+ *
+ * @param string $query_vars Default WP_Query arguments.
+ */
+function wp( $query_vars = '' ) {
global $wp, $wp_query, $wp_the_query;
+ $wp->main( $query_vars );
- $wp->main($query_vars);
-
- if( !isset($wp_the_query) )
+ if ( !isset($wp_the_query) )
$wp_the_query = $wp_query;
}
+/**
+ * Retrieve the description for the HTTP status.
+ *
+ * @since 2.3.0
+ *
+ * @param int $code HTTP status code.
+ * @return string Empty string if not found, or description if found.
+ */
function get_status_header_desc( $code ) {
global $wp_header_to_desc;
- $code = (int) $code;
+ $code = absint( $code );
- if ( !isset($wp_header_to_desc) ) {
+ if ( !isset( $wp_header_to_desc ) ) {
$wp_header_to_desc = array(
100 => 'Continue',
101 => 'Switching Protocols',
+ 102 => 'Processing',
200 => 'OK',
201 => 'Created',
204 => 'No Content',
205 => 'Reset Content',
206 => 'Partial Content',
+ 207 => 'Multi-Status',
+ 226 => 'IM Used',
300 => 'Multiple Choices',
301 => 'Moved Permanently',
303 => 'See Other',
304 => 'Not Modified',
305 => 'Use Proxy',
+ 306 => 'Reserved',
307 => 'Temporary Redirect',
400 => 'Bad Request',
401 => 'Unauthorized',
+ 402 => 'Payment Required',
403 => 'Forbidden',
404 => 'Not Found',
405 => 'Method Not Allowed',
415 => 'Unsupported Media Type',
416 => 'Requested Range Not Satisfiable',
417 => 'Expectation Failed',
+ 422 => 'Unprocessable Entity',
+ 423 => 'Locked',
+ 424 => 'Failed Dependency',
+ 426 => 'Upgrade Required',
500 => 'Internal Server Error',
501 => 'Not Implemented',
502 => 'Bad Gateway',
503 => 'Service Unavailable',
504 => 'Gateway Timeout',
- 505 => 'HTTP Version Not Supported'
+ 505 => 'HTTP Version Not Supported',
+ 506 => 'Variant Also Negotiates',
+ 507 => 'Insufficient Storage',
+ 510 => 'Not Extended'
);
}
- if ( isset( $wp_header_to_desc[$code] ) ) {
+ if ( isset( $wp_header_to_desc[$code] ) )
return $wp_header_to_desc[$code];
- } else {
+ else
return '';
- }
}
-function status_header( $header ) {
- $text = get_status_header_desc( $header );
-
- if ( empty( $text ) )
- return false;
+/**
+ * Set HTTP status header.
+ *
+ * @since 2.0.0
+ * @see get_status_header_desc()
+ *
+ * @param int $code HTTP status code.
+ */
+function status_header( $code ) {
+ $description = get_status_header_desc( $code );
+
+ if ( empty( $description ) )
+ return;
- $protocol = $_SERVER["SERVER_PROTOCOL"];
- if ( ('HTTP/1.1' != $protocol) && ('HTTP/1.0' != $protocol) )
+ $protocol = $_SERVER['SERVER_PROTOCOL'];
+ if ( 'HTTP/1.1' != $protocol && 'HTTP/1.0' != $protocol )
$protocol = 'HTTP/1.0';
- $status_header = "$protocol $header $text";
- if ( function_exists('apply_filters') )
- $status_header = apply_filters('status_header', $status_header, $header, $text, $protocol);
+ $status_header = "$protocol $code $description";
+ if ( function_exists( 'apply_filters' ) )
+ $status_header = apply_filters( 'status_header', $status_header, $code, $description, $protocol );
- if ( version_compare( phpversion(), '4.3.0', '>=' ) ) {
- return @header( $status_header, true, $header );
- } else {
- return @header( $status_header );
+ @header( $status_header, true, $code );
+}
+
+/**
+ * Gets the header information to prevent caching.
+ *
+ * The several different headers cover the different ways cache prevention is handled
+ * by different browsers
+ *
+ * @since 2.8.0
+ *
+ * @return array The associative array of header names and field values.
+ */
+function wp_get_nocache_headers() {
+ $headers = array(
+ 'Expires' => 'Wed, 11 Jan 1984 05:00:00 GMT',
+ 'Cache-Control' => 'no-cache, must-revalidate, max-age=0',
+ 'Pragma' => 'no-cache',
+ );
+
+ if ( function_exists('apply_filters') ) {
+ $headers = (array) apply_filters('nocache_headers', $headers);
}
+ $headers['Last-Modified'] = false;
+ return $headers;
}
+/**
+ * Sets the headers to prevent caching for the different browsers.
+ *
+ * Different browsers support different nocache headers, so several headers must
+ * be sent so that all of them get the point that no caching should occur.
+ *
+ * @since 2.0.0
+ * @see wp_get_nocache_headers()
+ */
function nocache_headers() {
- @ header('Expires: Wed, 11 Jan 1984 05:00:00 GMT');
- @ header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT');
- @ header('Cache-Control: no-cache, must-revalidate, max-age=0');
- @ header('Pragma: no-cache');
+ $headers = wp_get_nocache_headers();
+
+ unset( $headers['Last-Modified'] );
+
+ // In PHP 5.3+, make sure we are not sending a Last-Modified header.
+ if ( function_exists( 'header_remove' ) ) {
+ @header_remove( 'Last-Modified' );
+ } else {
+ // In PHP 5.2, send an empty Last-Modified header, but only as a
+ // last resort to override a header already sent. #WP23021
+ foreach ( headers_list() as $header ) {
+ if ( 0 === stripos( $header, 'Last-Modified' ) ) {
+ $headers['Last-Modified'] = '';
+ break;
+ }
+ }
+ }
+
+ foreach( $headers as $name => $field_value )
+ @header("{$name}: {$field_value}");
}
+/**
+ * Set the headers for caching for 10 days with JavaScript content type.
+ *
+ * @since 2.1.0
+ */
function cache_javascript_headers() {
- $expiresOffset = 864000; // 10 days
- header("Content-Type: text/javascript; charset=" . get_bloginfo('charset'));
- header("Vary: Accept-Encoding"); // Handle proxies
- header("Expires: " . gmdate("D, d M Y H:i:s", time() + $expiresOffset) . " GMT");
+ $expiresOffset = 10 * DAY_IN_SECONDS;
+ header( "Content-Type: text/javascript; charset=" . get_bloginfo( 'charset' ) );
+ header( "Vary: Accept-Encoding" ); // Handle proxies
+ header( "Expires: " . gmdate( "D, d M Y H:i:s", time() + $expiresOffset ) . " GMT" );
}
+/**
+ * Retrieve the number of database queries during the WordPress execution.
+ *
+ * @since 2.0.0
+ *
+ * @return int Number of database queries
+ */
function get_num_queries() {
global $wpdb;
return $wpdb->num_queries;
}
+/**
+ * Whether input is yes or no. Must be 'y' to be true.
+ *
+ * @since 1.0.0
+ *
+ * @param string $yn Character string containing either 'y' or 'n'
+ * @return bool True if yes, false on anything else
+ */
function bool_from_yn( $yn ) {
return ( strtolower( $yn ) == 'y' );
}
+/**
+ * Loads the feed template from the use of an action hook.
+ *
+ * If the feed action does not have a hook, then the function will die with a
+ * message telling the visitor that the feed is not valid.
+ *
+ * It is better to only have one hook for each feed.
+ *
+ * @since 2.1.0
+ * @uses $wp_query Used to tell if the use a comment feed.
+ * @uses do_action() Calls 'do_feed_$feed' hook, if a hook exists for the feed.
+ */
function do_feed() {
global $wp_query;
- $feed = get_query_var('feed');
+ $feed = get_query_var( 'feed' );
// Remove the pad, if present.
- $feed = preg_replace('/^_+/', '', $feed);
+ $feed = preg_replace( '/^_+/', '', $feed );
if ( $feed == '' || $feed == 'feed' )
- $feed = 'rss2';
+ $feed = get_default_feed();
$hook = 'do_feed_' . $feed;
- do_action($hook, $wp_query->is_comment_feed);
+ if ( ! has_action( $hook ) )
+ wp_die( __( 'ERROR: This is not a valid feed template.' ), '', array( 'response' => 404 ) );
+
+ do_action( $hook, $wp_query->is_comment_feed );
}
+/**
+ * Load the RDF RSS 0.91 Feed template.
+ *
+ * @since 2.1.0
+ */
function do_feed_rdf() {
- load_template(ABSPATH . WPINC . '/feed-rdf.php');
+ load_template( ABSPATH . WPINC . '/feed-rdf.php' );
}
+/**
+ * Load the RSS 1.0 Feed Template.
+ *
+ * @since 2.1.0
+ */
function do_feed_rss() {
- load_template(ABSPATH . WPINC . '/feed-rss.php');
+ load_template( ABSPATH . WPINC . '/feed-rss.php' );
}
-function do_feed_rss2($for_comments) {
- if ( $for_comments ) {
- load_template(ABSPATH . WPINC . '/feed-rss2-comments.php');
- } else {
- load_template(ABSPATH . WPINC . '/feed-rss2.php');
- }
+/**
+ * Load either the RSS2 comment feed or the RSS2 posts feed.
+ *
+ * @since 2.1.0
+ *
+ * @param bool $for_comments True for the comment feed, false for normal feed.
+ */
+function do_feed_rss2( $for_comments ) {
+ if ( $for_comments )
+ load_template( ABSPATH . WPINC . '/feed-rss2-comments.php' );
+ else
+ load_template( ABSPATH . WPINC . '/feed-rss2.php' );
}
-function do_feed_atom($for_comments) {
- if ($for_comments) {
- load_template(ABSPATH . WPINC . '/feed-atom-comments.php');
- } else {
- load_template(ABSPATH . WPINC . '/feed-atom.php');
- }
+/**
+ * Load either Atom comment feed or Atom posts feed.
+ *
+ * @since 2.1.0
+ *
+ * @param bool $for_comments True for the comment feed, false for normal feed.
+ */
+function do_feed_atom( $for_comments ) {
+ if ($for_comments)
+ load_template( ABSPATH . WPINC . '/feed-atom-comments.php');
+ else
+ load_template( ABSPATH . WPINC . '/feed-atom.php' );
}
+/**
+ * Display the robots.txt file content.
+ *
+ * The echo content should be with usage of the permalinks or for creating the
+ * robots.txt file.
+ *
+ * @since 2.1.0
+ * @uses do_action() Calls 'do_robotstxt' hook for displaying robots.txt rules.
+ */
function do_robots() {
- header('Content-Type: text/plain; charset=utf-8');
+ header( 'Content-Type: text/plain; charset=utf-8' );
- do_action('do_robotstxt');
+ do_action( 'do_robotstxt' );
- if ( '0' == get_option('blog_public') ) {
- echo "User-agent: *\n";
- echo "Disallow: /\n";
+ $output = "User-agent: *\n";
+ $public = get_option( 'blog_public' );
+ if ( '0' == $public ) {
+ $output .= "Disallow: /\n";
} else {
- echo "User-agent: *\n";
- echo "Disallow:\n";
+ $site_url = parse_url( site_url() );
+ $path = ( !empty( $site_url['path'] ) ) ? $site_url['path'] : '';
+ $output .= "Disallow: $path/wp-admin/\n";
+ $output .= "Disallow: $path/wp-includes/\n";
}
+
+ echo apply_filters('robots_txt', $output, $public);
}
+/**
+ * Test whether blog is already installed.
+ *
+ * The cache will be checked first. If you have a cache plugin, which saves the
+ * cache values, then this will work. If you use the default WordPress cache,
+ * and the database goes away, then you might have problems.
+ *
+ * Checks for the option siteurl for whether WordPress is installed.
+ *
+ * @since 2.1.0
+ * @uses $wpdb
+ *
+ * @return bool Whether blog is already installed.
+ */
function is_blog_installed() {
global $wpdb;
- $show = $wpdb->hide_errors();
- $installed = $wpdb->get_var("SELECT option_value FROM $wpdb->options WHERE option_name = 'siteurl'");
- $wpdb->show_errors($show);
- $install_status = !empty( $installed ) ? TRUE : FALSE;
- return $install_status;
+ // Check cache first. If options table goes away and we have true cached, oh well.
+ if ( wp_cache_get( 'is_blog_installed' ) )
+ return true;
+
+ $suppress = $wpdb->suppress_errors();
+ if ( ! defined( 'WP_INSTALLING' ) ) {
+ $alloptions = wp_load_alloptions();
+ }
+ // If siteurl is not set to autoload, check it specifically
+ if ( !isset( $alloptions['siteurl'] ) )
+ $installed = $wpdb->get_var( "SELECT option_value FROM $wpdb->options WHERE option_name = 'siteurl'" );
+ else
+ $installed = $alloptions['siteurl'];
+ $wpdb->suppress_errors( $suppress );
+
+ $installed = !empty( $installed );
+ wp_cache_set( 'is_blog_installed', $installed );
+
+ if ( $installed )
+ return true;
+
+ // If visiting repair.php, return true and let it take over.
+ if ( defined( 'WP_REPAIRING' ) )
+ return true;
+
+ $suppress = $wpdb->suppress_errors();
+
+ // Loop over the WP tables. If none exist, then scratch install is allowed.
+ // If one or more exist, suggest table repair since we got here because the options
+ // table could not be accessed.
+ $wp_tables = $wpdb->tables();
+ foreach ( $wp_tables as $table ) {
+ // The existence of custom user tables shouldn't suggest an insane state or prevent a clean install.
+ if ( defined( 'CUSTOM_USER_TABLE' ) && CUSTOM_USER_TABLE == $table )
+ continue;
+ if ( defined( 'CUSTOM_USER_META_TABLE' ) && CUSTOM_USER_META_TABLE == $table )
+ continue;
+
+ if ( ! $wpdb->get_results( "DESCRIBE $table;" ) )
+ continue;
+
+ // One or more tables exist. We are insane.
+
+ wp_load_translations_early();
+
+ // Die with a DB error.
+ $wpdb->error = sprintf( __( 'One or more database tables are unavailable. The database may need to be <a href="%s">repaired</a>.' ), 'maint/repair.php?referrer=is_blog_installed' );
+ dead_db();
+ }
+
+ $wpdb->suppress_errors( $suppress );
+
+ wp_cache_set( 'is_blog_installed', false );
+
+ return false;
}
-function wp_nonce_url($actionurl, $action = -1) {
- $actionurl = str_replace('&', '&', $actionurl);
- return wp_specialchars(add_query_arg('_wpnonce', wp_create_nonce($action), $actionurl));
+/**
+ * Retrieve URL with nonce added to URL query.
+ *
+ * @package WordPress
+ * @subpackage Security
+ * @since 2.0.4
+ *
+ * @param string $actionurl URL to add nonce action.
+ * @param string $action Optional. Nonce action name.
+ * @param string $name Optional. Nonce name.
+ * @return string URL with nonce action added.
+ */
+function wp_nonce_url( $actionurl, $action = -1, $name = '_wpnonce' ) {
+ $actionurl = str_replace( '&', '&', $actionurl );
+ return esc_html( add_query_arg( $name, wp_create_nonce( $action ), $actionurl ) );
}
-function wp_nonce_field($action = -1, $name = "_wpnonce", $referer = true) {
- $name = attribute_escape($name);
- echo '<input type="hidden" name="' . $name . '" value="' . wp_create_nonce($action) . '" />';
+/**
+ * Retrieve or display nonce hidden field for forms.
+ *
+ * The nonce field is used to validate that the contents of the form came from
+ * the location on the current site and not somewhere else. The nonce does not
+ * offer absolute protection, but should protect against most cases. It is very
+ * important to use nonce field in forms.
+ *
+ * The $action and $name are optional, but if you want to have better security,
+ * it is strongly suggested to set those two parameters. It is easier to just
+ * call the function without any parameters, because validation of the nonce
+ * doesn't require any parameters, but since crackers know what the default is
+ * it won't be difficult for them to find a way around your nonce and cause
+ * damage.
+ *
+ * The input name will be whatever $name value you gave. The input value will be
+ * the nonce creation value.
+ *
+ * @package WordPress
+ * @subpackage Security
+ * @since 2.0.4
+ *
+ * @param string $action Optional. Action name.
+ * @param string $name Optional. Nonce name.
+ * @param bool $referer Optional, default true. Whether to set the referer field for validation.
+ * @param bool $echo Optional, default true. Whether to display or return hidden form field.
+ * @return string Nonce field.
+ */
+function wp_nonce_field( $action = -1, $name = "_wpnonce", $referer = true , $echo = true ) {
+ $name = esc_attr( $name );
+ $nonce_field = '<input type="hidden" id="' . $name . '" name="' . $name . '" value="' . wp_create_nonce( $action ) . '" />';
+
if ( $referer )
- wp_referer_field();
+ $nonce_field .= wp_referer_field( false );
+
+ if ( $echo )
+ echo $nonce_field;
+
+ return $nonce_field;
}
-function wp_referer_field() {
- $ref = attribute_escape($_SERVER['REQUEST_URI']);
- echo '<input type="hidden" name="_wp_http_referer" value="'. $ref . '" />';
- if ( wp_get_original_referer() ) {
- $original_ref = attribute_escape(stripslashes(wp_get_original_referer()));
- echo '<input type="hidden" name="_wp_original_http_referer" value="'. $original_ref . '" />';
- }
+/**
+ * Retrieve or display referer hidden field for forms.
+ *
+ * The referer link is the current Request URI from the server super global. The
+ * input name is '_wp_http_referer', in case you wanted to check manually.
+ *
+ * @package WordPress
+ * @subpackage Security
+ * @since 2.0.4
+ *
+ * @param bool $echo Whether to echo or return the referer field.
+ * @return string Referer field.
+ */
+function wp_referer_field( $echo = true ) {
+ $referer_field = '<input type="hidden" name="_wp_http_referer" value="'. esc_attr( wp_unslash( $_SERVER['REQUEST_URI'] ) ) . '" />';
+
+ if ( $echo )
+ echo $referer_field;
+ return $referer_field;
}
-function wp_original_referer_field() {
- echo '<input type="hidden" name="_wp_original_http_referer" value="' . attribute_escape(stripslashes($_SERVER['REQUEST_URI'])) . '" />';
+/**
+ * Retrieve or display original referer hidden field for forms.
+ *
+ * The input name is '_wp_original_http_referer' and will be either the same
+ * value of {@link wp_referer_field()}, if that was posted already or it will
+ * be the current page, if it doesn't exist.
+ *
+ * @package WordPress
+ * @subpackage Security
+ * @since 2.0.4
+ *
+ * @param bool $echo Whether to echo the original http referer
+ * @param string $jump_back_to Optional, default is 'current'. Can be 'previous' or page you want to jump back to.
+ * @return string Original referer field.
+ */
+function wp_original_referer_field( $echo = true, $jump_back_to = 'current' ) {
+ if ( ! $ref = wp_get_original_referer() ) {
+ $ref = 'previous' == $jump_back_to ? wp_get_referer() : wp_unslash( $_SERVER['REQUEST_URI'] );
+ }
+ $orig_referer_field = '<input type="hidden" name="_wp_original_http_referer" value="' . esc_attr( $ref ) . '" />';
+ if ( $echo )
+ echo $orig_referer_field;
+ return $orig_referer_field;
}
+/**
+ * Retrieve referer from '_wp_http_referer' or HTTP referer. If it's the same
+ * as the current request URL, will return false.
+ *
+ * @package WordPress
+ * @subpackage Security
+ * @since 2.0.4
+ *
+ * @return string|bool False on failure. Referer URL on success.
+ */
function wp_get_referer() {
- foreach ( array($_REQUEST['_wp_http_referer'], $_SERVER['HTTP_REFERER']) as $ref )
- if ( !empty($ref) )
- return $ref;
+ if ( ! function_exists( 'wp_validate_redirect' ) )
+ return false;
+ $ref = false;
+ if ( ! empty( $_REQUEST['_wp_http_referer'] ) )
+ $ref = wp_unslash( $_REQUEST['_wp_http_referer'] );
+ else if ( ! empty( $_SERVER['HTTP_REFERER'] ) )
+ $ref = wp_unslash( $_SERVER['HTTP_REFERER'] );
+
+ if ( $ref && $ref !== wp_unslash( $_SERVER['REQUEST_URI'] ) )
+ return wp_validate_redirect( $ref, false );
return false;
}
+/**
+ * Retrieve original referer that was posted, if it exists.
+ *
+ * @package WordPress
+ * @subpackage Security
+ * @since 2.0.4
+ *
+ * @return string|bool False if no original referer or original referer if set.
+ */
function wp_get_original_referer() {
- if ( !empty($_REQUEST['_wp_original_http_referer']) )
- return $_REQUEST['_wp_original_http_referer'];
+ if ( ! empty( $_REQUEST['_wp_original_http_referer'] ) && function_exists( 'wp_validate_redirect' ) )
+ return wp_validate_redirect( wp_unslash( $_REQUEST['_wp_original_http_referer'] ), false );
return false;
}
-function wp_mkdir_p($target) {
+/**
+ * Recursive directory creation based on full path.
+ *
+ * Will attempt to set permissions on folders.
+ *
+ * @since 2.0.1
+ *
+ * @param string $target Full path to attempt to create.
+ * @return bool Whether the path was created. True if path already exists.
+ */
+function wp_mkdir_p( $target ) {
+ $wrapper = null;
+
+ // strip the protocol
+ if( wp_is_stream( $target ) ) {
+ list( $wrapper, $target ) = explode( '://', $target, 2 );
+ }
+
// from php.net/mkdir user contributed notes
- if (file_exists($target)) {
- if (! @ is_dir($target))
- return false;
- else
- return true;
+ $target = str_replace( '//', '/', $target );
+
+ // put the wrapper back on the target
+ if( $wrapper !== null ) {
+ $target = $wrapper . '://' . $target;
}
- // Attempting to create the directory may clutter up our display.
- if (@ mkdir($target)) {
- $stat = @ stat(dirname($target));
- $dir_perms = $stat['mode'] & 0007777; // Get the permission bits.
- @ chmod($target, $dir_perms);
- return true;
+ // safe mode fails with a trailing slash under certain PHP versions.
+ $target = rtrim($target, '/'); // Use rtrim() instead of untrailingslashit to avoid formatting.php dependency.
+ if ( empty($target) )
+ $target = '/';
+
+ if ( file_exists( $target ) )
+ return @is_dir( $target );
+
+ // We need to find the permissions of the parent folder that exists and inherit that.
+ $target_parent = dirname( $target );
+ while ( '.' != $target_parent && ! is_dir( $target_parent ) ) {
+ $target_parent = dirname( $target_parent );
+ }
+
+ // Get the permission bits.
+ $dir_perms = false;
+ if ( $stat = @stat( $target_parent ) ) {
+ $dir_perms = $stat['mode'] & 0007777;
} else {
- if ( is_dir(dirname($target)) )
- return false;
+ $dir_perms = 0777;
}
- // If the above failed, attempt to create the parent node, then try again.
- if (wp_mkdir_p(dirname($target)))
- return wp_mkdir_p($target);
+ if ( @mkdir( $target, $dir_perms, true ) ) {
+
+ // If a umask is set that modifies $dir_perms, we'll have to re-set the $dir_perms correctly with chmod()
+ if ( $dir_perms != $dir_perms & ~umask() ) {
+ $folder_parts = explode( '/', substr( $target, strlen( $target_parent ) + 1 ) );
+ for ( $i = 1; $i <= count( $folder_parts ); $i++ ) {
+ @chmod( $target_parent . '/' . implode( '/', array_slice( $folder_parts, 0, $i ) ), $dir_perms );
+ }
+ }
+
+ return true;
+ }
return false;
}
-// Returns an array containing the current upload directory's path and url, or an error message.
-function wp_upload_dir() {
- $siteurl = get_option('siteurl');
- //prepend ABSPATH to $dir and $siteurl to $url if they're not already there
- $path = str_replace(ABSPATH, '', trim(get_option('upload_path')));
- $dir = ABSPATH . $path;
- $url = trailingslashit($siteurl) . $path;
+/**
+ * Test if a give filesystem path is absolute ('/foo/bar', 'c:\windows').
+ *
+ * @since 2.5.0
+ *
+ * @param string $path File path
+ * @return bool True if path is absolute, false is not absolute.
+ */
+function path_is_absolute( $path ) {
+ // this is definitive if true but fails if $path does not exist or contains a symbolic link
+ if ( realpath($path) == $path )
+ return true;
- if ( $dir == ABSPATH ) { //the option was empty
- $dir = ABSPATH . 'wp-content/uploads';
- }
+ if ( strlen($path) == 0 || $path[0] == '.' )
+ return false;
- if ( defined('UPLOADS') ) {
+ // windows allows absolute paths like this
+ if ( preg_match('#^[a-zA-Z]:\\\\#', $path) )
+ return true;
+
+ // a path starting with / or \ is absolute; anything else is relative
+ return ( $path[0] == '/' || $path[0] == '\\' );
+}
+
+/**
+ * Join two filesystem paths together (e.g. 'give me $path relative to $base').
+ *
+ * If the $path is absolute, then it the full path is returned.
+ *
+ * @since 2.5.0
+ *
+ * @param string $base
+ * @param string $path
+ * @return string The path with the base or absolute path.
+ */
+function path_join( $base, $path ) {
+ if ( path_is_absolute($path) )
+ return $path;
+
+ return rtrim($base, '/') . '/' . ltrim($path, '/');
+}
+
+/**
+ * Determines a writable directory for temporary files.
+ * Function's preference is the return value of <code>sys_get_temp_dir()</code>,
+ * followed by your PHP temporary upload directory, followed by WP_CONTENT_DIR,
+ * before finally defaulting to /tmp/
+ *
+ * In the event that this function does not find a writable location,
+ * It may be overridden by the <code>WP_TEMP_DIR</code> constant in
+ * your <code>wp-config.php</code> file.
+ *
+ * @since 2.5.0
+ *
+ * @return string Writable temporary directory
+ */
+function get_temp_dir() {
+ static $temp;
+ if ( defined('WP_TEMP_DIR') )
+ return trailingslashit(WP_TEMP_DIR);
+
+ if ( $temp )
+ return trailingslashit( rtrim( $temp, '\\' ) );
+
+ if ( function_exists('sys_get_temp_dir') ) {
+ $temp = sys_get_temp_dir();
+ if ( @is_dir( $temp ) && wp_is_writable( $temp ) )
+ return trailingslashit( rtrim( $temp, '\\' ) );
+ }
+
+ $temp = ini_get('upload_tmp_dir');
+ if ( @is_dir( $temp ) && wp_is_writable( $temp ) )
+ return trailingslashit( rtrim( $temp, '\\' ) );
+
+ $temp = WP_CONTENT_DIR . '/';
+ if ( is_dir( $temp ) && wp_is_writable( $temp ) )
+ return $temp;
+
+ $temp = '/tmp/';
+ return $temp;
+}
+
+/**
+ * Determine if a directory is writable.
+ *
+ * This function is used to work around certain ACL issues
+ * in PHP primarily affecting Windows Servers.
+ *
+ * @see win_is_writable()
+ *
+ * @since 3.6.0
+ *
+ * @param string $path
+ * @return bool
+ */
+function wp_is_writable( $path ) {
+ if ( 'WIN' === strtoupper( substr( PHP_OS, 0, 3 ) ) )
+ return win_is_writable( $path );
+ else
+ return @is_writable( $path );
+}
+
+/**
+ * Workaround for Windows bug in is_writable() function
+ *
+ * PHP has issues with Windows ACL's for determine if a
+ * directory is writable or not, this works around them by
+ * checking the ability to open files rather than relying
+ * upon PHP to interprate the OS ACL.
+ *
+ * @link http://bugs.php.net/bug.php?id=27609
+ * @link http://bugs.php.net/bug.php?id=30931
+ *
+ * @since 2.8.0
+ *
+ * @param string $path
+ * @return bool
+ */
+function win_is_writable( $path ) {
+
+ if ( $path[strlen( $path ) - 1] == '/' ) // if it looks like a directory, check a random file within the directory
+ return win_is_writable( $path . uniqid( mt_rand() ) . '.tmp');
+ else if ( is_dir( $path ) ) // If it's a directory (and not a file) check a random file within the directory
+ return win_is_writable( $path . '/' . uniqid( mt_rand() ) . '.tmp' );
+
+ // check tmp file for read/write capabilities
+ $should_delete_tmp_file = !file_exists( $path );
+ $f = @fopen( $path, 'a' );
+ if ( $f === false )
+ return false;
+ fclose( $f );
+ if ( $should_delete_tmp_file )
+ unlink( $path );
+ return true;
+}
+
+/**
+ * Get an array containing the current upload directory's path and url.
+ *
+ * Checks the 'upload_path' option, which should be from the web root folder,
+ * and if it isn't empty it will be used. If it is empty, then the path will be
+ * 'WP_CONTENT_DIR/uploads'. If the 'UPLOADS' constant is defined, then it will
+ * override the 'upload_path' option and 'WP_CONTENT_DIR/uploads' path.
+ *
+ * The upload URL path is set either by the 'upload_url_path' option or by using
+ * the 'WP_CONTENT_URL' constant and appending '/uploads' to the path.
+ *
+ * If the 'uploads_use_yearmonth_folders' is set to true (checkbox if checked in
+ * the administration settings panel), then the time will be used. The format
+ * will be year first and then month.
+ *
+ * If the path couldn't be created, then an error will be returned with the key
+ * 'error' containing the error message. The error suggests that the parent
+ * directory is not writable by the server.
+ *
+ * On success, the returned array will have many indices:
+ * 'path' - base directory and sub directory or full path to upload directory.
+ * 'url' - base url and sub directory or absolute URL to upload directory.
+ * 'subdir' - sub directory if uploads use year/month folders option is on.
+ * 'basedir' - path without subdir.
+ * 'baseurl' - URL path without subdir.
+ * 'error' - set to false.
+ *
+ * @since 2.0.0
+ * @uses apply_filters() Calls 'upload_dir' on returned array.
+ *
+ * @param string $time Optional. Time formatted in 'yyyy/mm'.
+ * @return array See above for description.
+ */
+function wp_upload_dir( $time = null ) {
+ $siteurl = get_option( 'siteurl' );
+ $upload_path = trim( get_option( 'upload_path' ) );
+
+ if ( empty( $upload_path ) || 'wp-content/uploads' == $upload_path ) {
+ $dir = WP_CONTENT_DIR . '/uploads';
+ } elseif ( 0 !== strpos( $upload_path, ABSPATH ) ) {
+ // $dir is absolute, $upload_path is (maybe) relative to ABSPATH
+ $dir = path_join( ABSPATH, $upload_path );
+ } else {
+ $dir = $upload_path;
+ }
+
+ if ( !$url = get_option( 'upload_url_path' ) ) {
+ if ( empty($upload_path) || ( 'wp-content/uploads' == $upload_path ) || ( $upload_path == $dir ) )
+ $url = WP_CONTENT_URL . '/uploads';
+ else
+ $url = trailingslashit( $siteurl ) . $upload_path;
+ }
+
+ // Obey the value of UPLOADS. This happens as long as ms-files rewriting is disabled.
+ // We also sometimes obey UPLOADS when rewriting is enabled -- see the next block.
+ if ( defined( 'UPLOADS' ) && ! ( is_multisite() && get_site_option( 'ms_files_rewriting' ) ) ) {
$dir = ABSPATH . UPLOADS;
- $url = trailingslashit($siteurl) . UPLOADS;
+ $url = trailingslashit( $siteurl ) . UPLOADS;
+ }
+
+ // If multisite (and if not the main site in a post-MU network)
+ if ( is_multisite() && ! ( is_main_network() && is_main_site() && defined( 'MULTISITE' ) ) ) {
+
+ if ( ! get_site_option( 'ms_files_rewriting' ) ) {
+ // If ms-files rewriting is disabled (networks created post-3.5), it is fairly straightforward:
+ // Append sites/%d if we're not on the main site (for post-MU networks). (The extra directory
+ // prevents a four-digit ID from conflicting with a year-based directory for the main site.
+ // But if a MU-era network has disabled ms-files rewriting manually, they don't need the extra
+ // directory, as they never had wp-content/uploads for the main site.)
+
+ if ( defined( 'MULTISITE' ) )
+ $ms_dir = '/sites/' . get_current_blog_id();
+ else
+ $ms_dir = '/' . get_current_blog_id();
+
+ $dir .= $ms_dir;
+ $url .= $ms_dir;
+
+ } elseif ( defined( 'UPLOADS' ) && ! ms_is_switched() ) {
+ // Handle the old-form ms-files.php rewriting if the network still has that enabled.
+ // When ms-files rewriting is enabled, then we only listen to UPLOADS when:
+ // 1) we are not on the main site in a post-MU network,
+ // as wp-content/uploads is used there, and
+ // 2) we are not switched, as ms_upload_constants() hardcodes
+ // these constants to reflect the original blog ID.
+ //
+ // Rather than UPLOADS, we actually use BLOGUPLOADDIR if it is set, as it is absolute.
+ // (And it will be set, see ms_upload_constants().) Otherwise, UPLOADS can be used, as
+ // as it is relative to ABSPATH. For the final piece: when UPLOADS is used with ms-files
+ // rewriting in multisite, the resulting URL is /files. (#WP22702 for background.)
+
+ if ( defined( 'BLOGUPLOADDIR' ) )
+ $dir = untrailingslashit( BLOGUPLOADDIR );
+ else
+ $dir = ABSPATH . UPLOADS;
+ $url = trailingslashit( $siteurl ) . 'files';
+ }
}
- if ( get_option('uploads_use_yearmonth_folders')) {
+ $basedir = $dir;
+ $baseurl = $url;
+
+ $subdir = '';
+ if ( get_option( 'uploads_use_yearmonth_folders' ) ) {
// Generate the yearly and monthly dirs
- $time = current_time( 'mysql' );
+ if ( !$time )
+ $time = current_time( 'mysql' );
$y = substr( $time, 0, 4 );
$m = substr( $time, 5, 2 );
- $dir = $dir . "/$y/$m";
- $url = $url . "/$y/$m";
+ $subdir = "/$y/$m";
}
+ $dir .= $subdir;
+ $url .= $subdir;
+
+ $uploads = apply_filters( 'upload_dir',
+ array(
+ 'path' => $dir,
+ 'url' => $url,
+ 'subdir' => $subdir,
+ 'basedir' => $basedir,
+ 'baseurl' => $baseurl,
+ 'error' => false,
+ ) );
+
// Make sure we have an uploads dir
- if ( ! wp_mkdir_p( $dir ) ) {
- $message = sprintf(__('Unable to create directory %s. Is its parent directory writable by the server?'), $dir);
- return array('error' => $message);
+ if ( ! wp_mkdir_p( $uploads['path'] ) ) {
+ if ( 0 === strpos( $uploads['basedir'], ABSPATH ) )
+ $error_path = str_replace( ABSPATH, '', $uploads['basedir'] ) . $uploads['subdir'];
+ else
+ $error_path = basename( $uploads['basedir'] ) . $uploads['subdir'];
+
+ $message = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), $error_path );
+ $uploads['error'] = $message;
}
- $uploads = array('path' => $dir, 'url' => $url, 'error' => false);
- return apply_filters('upload_dir', $uploads);
+ return $uploads;
}
-function wp_upload_bits($name, $type, $bits) {
- if ( empty($name) )
- return array('error' => __("Empty filename"));
+/**
+ * Get a filename that is sanitized and unique for the given directory.
+ *
+ * If the filename is not unique, then a number will be added to the filename
+ * before the extension, and will continue adding numbers until the filename is
+ * unique.
+ *
+ * The callback is passed three parameters, the first one is the directory, the
+ * second is the filename, and the third is the extension.
+ *
+ * @since 2.5.0
+ *
+ * @param string $dir
+ * @param string $filename
+ * @param mixed $unique_filename_callback Callback.
+ * @return string New filename, if given wasn't unique.
+ */
+function wp_unique_filename( $dir, $filename, $unique_filename_callback = null ) {
+ // sanitize the file name before we begin processing
+ $filename = sanitize_file_name($filename);
+
+ // separate the filename into a name and extension
+ $info = pathinfo($filename);
+ $ext = !empty($info['extension']) ? '.' . $info['extension'] : '';
+ $name = basename($filename, $ext);
+
+ // edge case: if file is named '.ext', treat as an empty name
+ if ( $name === $ext )
+ $name = '';
+
+ // Increment the file number until we have a unique file to save in $dir. Use callback if supplied.
+ if ( $unique_filename_callback && is_callable( $unique_filename_callback ) ) {
+ $filename = call_user_func( $unique_filename_callback, $dir, $name, $ext );
+ } else {
+ $number = '';
+
+ // change '.ext' to lower case
+ if ( $ext && strtolower($ext) != $ext ) {
+ $ext2 = strtolower($ext);
+ $filename2 = preg_replace( '|' . preg_quote($ext) . '$|', $ext2, $filename );
+
+ // check for both lower and upper case extension or image sub-sizes may be overwritten
+ while ( file_exists($dir . "/$filename") || file_exists($dir . "/$filename2") ) {
+ $new_number = $number + 1;
+ $filename = str_replace( "$number$ext", "$new_number$ext", $filename );
+ $filename2 = str_replace( "$number$ext2", "$new_number$ext2", $filename2 );
+ $number = $new_number;
+ }
+ return $filename2;
+ }
+
+ while ( file_exists( $dir . "/$filename" ) ) {
+ if ( '' == "$number$ext" )
+ $filename = $filename . ++$number . $ext;
+ else
+ $filename = str_replace( "$number$ext", ++$number . $ext, $filename );
+ }
+ }
- $wp_filetype = wp_check_filetype($name);
- if ( !$wp_filetype['ext'] )
- return array('error' => __("Invalid file type"));
+ return $filename;
+}
- $upload = wp_upload_dir();
+/**
+ * Create a file in the upload folder with given content.
+ *
+ * If there is an error, then the key 'error' will exist with the error message.
+ * If success, then the key 'file' will have the unique file path, the 'url' key
+ * will have the link to the new file. and the 'error' key will be set to false.
+ *
+ * This function will not move an uploaded file to the upload folder. It will
+ * create a new file with the content in $bits parameter. If you move the upload
+ * file, read the content of the uploaded file, and then you can give the
+ * filename and content to this function, which will add it to the upload
+ * folder.
+ *
+ * The permissions will be set on the new file automatically by this function.
+ *
+ * @since 2.0.0
+ *
+ * @param string $name
+ * @param null $deprecated Never used. Set to null.
+ * @param mixed $bits File content
+ * @param string $time Optional. Time formatted in 'yyyy/mm'.
+ * @return array
+ */
+function wp_upload_bits( $name, $deprecated, $bits, $time = null ) {
+ if ( !empty( $deprecated ) )
+ _deprecated_argument( __FUNCTION__, '2.0' );
+
+ if ( empty( $name ) )
+ return array( 'error' => __( 'Empty filename' ) );
+
+ $wp_filetype = wp_check_filetype( $name );
+ if ( ! $wp_filetype['ext'] && ! current_user_can( 'unfiltered_upload' ) )
+ return array( 'error' => __( 'Invalid file type' ) );
+
+ $upload = wp_upload_dir( $time );
if ( $upload['error'] !== false )
return $upload;
- $number = '';
- $filename = $name;
- $path_parts = pathinfo($filename);
- $ext = $path_parts['extension'];
- if ( empty($ext) )
- $ext = '';
- else
- $ext = ".$ext";
- while ( file_exists($upload['path'] . "/$filename") ) {
- if ( '' == "$number$ext" )
- $filename = $filename . ++$number . $ext;
- else
- $filename = str_replace("$number$ext", ++$number . $ext, $filename);
+ $upload_bits_error = apply_filters( 'wp_upload_bits', array( 'name' => $name, 'bits' => $bits, 'time' => $time ) );
+ if ( !is_array( $upload_bits_error ) ) {
+ $upload[ 'error' ] = $upload_bits_error;
+ return $upload;
}
+ $filename = wp_unique_filename( $upload['path'], $name );
+
$new_file = $upload['path'] . "/$filename";
- if ( ! wp_mkdir_p( dirname($new_file) ) ) {
- $message = sprintf(__('Unable to create directory %s. Is its parent directory writable by the server?'), dirname($new_file));
- return array('error' => $message);
+ if ( ! wp_mkdir_p( dirname( $new_file ) ) ) {
+ if ( 0 === strpos( $upload['basedir'], ABSPATH ) )
+ $error_path = str_replace( ABSPATH, '', $upload['basedir'] ) . $upload['subdir'];
+ else
+ $error_path = basename( $upload['basedir'] ) . $upload['subdir'];
+
+ $message = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), $error_path );
+ return array( 'error' => $message );
}
- $ifp = @ fopen($new_file, 'wb');
+ $ifp = @ fopen( $new_file, 'wb' );
if ( ! $ifp )
- return array('error' => sprintf(__('Could not write file %s'), $new_file));
+ return array( 'error' => sprintf( __( 'Could not write file %s' ), $new_file ) );
+
+ @fwrite( $ifp, $bits );
+ fclose( $ifp );
+ clearstatcache();
- $success = @ fwrite($ifp, $bits);
- fclose($ifp);
// Set correct file permissions
- $stat = @ stat(dirname($new_file));
+ $stat = @ stat( dirname( $new_file ) );
$perms = $stat['mode'] & 0007777;
$perms = $perms & 0000666;
- @ chmod($new_file, $perms);
+ @ chmod( $new_file, $perms );
+ clearstatcache();
// Compute the URL
$url = $upload['url'] . "/$filename";
- return array('file' => $new_file, 'url' => $url, 'error' => false);
+ return array( 'file' => $new_file, 'url' => $url, 'error' => false );
}
-function wp_check_filetype($filename, $mimes = null) {
- // Accepted MIME types are set here as PCRE unless provided.
- $mimes = is_array($mimes) ? $mimes : apply_filters('upload_mimes', array (
- 'jpg|jpeg|jpe' => 'image/jpeg',
- 'gif' => 'image/gif',
- 'png' => 'image/png',
- 'bmp' => 'image/bmp',
- 'tif|tiff' => 'image/tiff',
- 'ico' => 'image/x-icon',
- 'asf|asx|wax|wmv|wmx' => 'video/asf',
- 'avi' => 'video/avi',
- 'mov|qt' => 'video/quicktime',
- 'mpeg|mpg|mpe' => 'video/mpeg',
- 'txt|c|cc|h' => 'text/plain',
- 'rtx' => 'text/richtext',
- 'css' => 'text/css',
- 'htm|html' => 'text/html',
- 'mp3|mp4' => 'audio/mpeg',
- 'ra|ram' => 'audio/x-realaudio',
- 'wav' => 'audio/wav',
- 'ogg' => 'audio/ogg',
- 'mid|midi' => 'audio/midi',
- 'wma' => 'audio/wma',
- 'rtf' => 'application/rtf',
- 'js' => 'application/javascript',
- 'pdf' => 'application/pdf',
- 'doc' => 'application/msword',
- 'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
- 'wri' => 'application/vnd.ms-write',
- 'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
- 'mdb' => 'application/vnd.ms-access',
- 'mpp' => 'application/vnd.ms-project',
- 'swf' => 'application/x-shockwave-flash',
- 'class' => 'application/java',
- 'tar' => 'application/x-tar',
- 'zip' => 'application/zip',
- 'gz|gzip' => 'application/x-gzip',
- 'exe' => 'application/x-msdownload',
- // openoffice formats
- 'odt' => 'application/vnd.oasis.opendocument.text',
- 'odp' => 'application/vnd.oasis.opendocument.presentation',
- 'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
- 'odg' => 'application/vnd.oasis.opendocument.graphics',
- 'odc' => 'application/vnd.oasis.opendocument.chart',
- 'odb' => 'application/vnd.oasis.opendocument.database',
- 'odf' => 'application/vnd.oasis.opendocument.formula',
-
- ));
+/**
+ * Retrieve the file type based on the extension name.
+ *
+ * @package WordPress
+ * @since 2.5.0
+ * @uses apply_filters() Calls 'ext2type' hook on default supported types.
+ *
+ * @param string $ext The extension to search.
+ * @return string|null The file type, example: audio, video, document, spreadsheet, etc. Null if not found.
+ */
+function wp_ext2type( $ext ) {
+ $ext = strtolower( $ext );
+ $ext2type = apply_filters( 'ext2type', array(
+ 'image' => array( 'jpg', 'jpeg', 'jpe', 'gif', 'png', 'bmp', 'tif', 'tiff', 'ico' ),
+ 'audio' => array( 'aac', 'ac3', 'aif', 'aiff', 'm3a', 'm4a', 'm4b', 'mka', 'mp1', 'mp2', 'mp3', 'ogg', 'oga', 'ram', 'wav', 'wma' ),
+ 'video' => array( 'asf', 'avi', 'divx', 'dv', 'flv', 'm4v', 'mkv', 'mov', 'mp4', 'mpeg', 'mpg', 'mpv', 'ogm', 'ogv', 'qt', 'rm', 'vob', 'wmv' ),
+ 'document' => array( 'doc', 'docx', 'docm', 'dotm', 'odt', 'pages', 'pdf', 'rtf', 'wp', 'wpd' ),
+ 'spreadsheet' => array( 'numbers', 'ods', 'xls', 'xlsx', 'xlsm', 'xlsb' ),
+ 'interactive' => array( 'swf', 'key', 'ppt', 'pptx', 'pptm', 'pps', 'ppsx', 'ppsm', 'sldx', 'sldm', 'odp' ),
+ 'text' => array( 'asc', 'csv', 'tsv', 'txt' ),
+ 'archive' => array( 'bz2', 'cab', 'dmg', 'gz', 'rar', 'sea', 'sit', 'sqx', 'tar', 'tgz', 'zip', '7z' ),
+ 'code' => array( 'css', 'htm', 'html', 'php', 'js' ),
+ ) );
+
+ foreach ( $ext2type as $type => $exts )
+ if ( in_array( $ext, $exts ) )
+ return $type;
+
+ return null;
+}
+/**
+ * Retrieve the file type from the file name.
+ *
+ * You can optionally define the mime array, if needed.
+ *
+ * @since 2.0.4
+ *
+ * @param string $filename File name or path.
+ * @param array $mimes Optional. Key is the file extension with value as the mime type.
+ * @return array Values with extension first and mime type.
+ */
+function wp_check_filetype( $filename, $mimes = null ) {
+ if ( empty($mimes) )
+ $mimes = get_allowed_mime_types();
$type = false;
$ext = false;
- foreach ($mimes as $ext_preg => $mime_match) {
+ foreach ( $mimes as $ext_preg => $mime_match ) {
$ext_preg = '!\.(' . $ext_preg . ')$!i';
- if ( preg_match($ext_preg, $filename, $ext_matches) ) {
+ if ( preg_match( $ext_preg, $filename, $ext_matches ) ) {
$type = $mime_match;
$ext = $ext_matches[1];
break;
}
}
- return compact('ext', 'type');
-}
-
-function wp_explain_nonce($action) {
- if ( $action !== -1 && preg_match('/([a-z]+)-([a-z]+)(_(.+))?/', $action, $matches) ) {
- $verb = $matches[1];
- $noun = $matches[2];
-
- $trans = array();
- $trans['update']['attachment'] = array(__('Are you sure you want to edit this attachment: "%s"?'), 'get_the_title');
-
- $trans['add']['category'] = array(__('Are you sure you want to add this category?'), false);
- $trans['delete']['category'] = array(__('Are you sure you want to delete this category: "%s"?'), 'get_catname');
- $trans['update']['category'] = array(__('Are you sure you want to edit this category: "%s"?'), 'get_catname');
-
- $trans['delete']['comment'] = array(__('Are you sure you want to delete this comment: "%s"?'), 'use_id');
- $trans['unapprove']['comment'] = array(__('Are you sure you want to unapprove this comment: "%s"?'), 'use_id');
- $trans['approve']['comment'] = array(__('Are you sure you want to approve this comment: "%s"?'), 'use_id');
- $trans['update']['comment'] = array(__('Are you sure you want to edit this comment: "%s"?'), 'use_id');
- $trans['bulk']['comments'] = array(__('Are you sure you want to bulk modify comments?'), false);
- $trans['moderate']['comments'] = array(__('Are you sure you want to moderate comments?'), false);
-
- $trans['add']['bookmark'] = array(__('Are you sure you want to add this link?'), false);
- $trans['delete']['bookmark'] = array(__('Are you sure you want to delete this link: "%s"?'), 'use_id');
- $trans['update']['bookmark'] = array(__('Are you sure you want to edit this link: "%s"?'), 'use_id');
- $trans['bulk']['bookmarks'] = array(__('Are you sure you want to bulk modify links?'), false);
-
- $trans['add']['page'] = array(__('Are you sure you want to add this page?'), false);
- $trans['delete']['page'] = array(__('Are you sure you want to delete this page: "%s"?'), 'get_the_title');
- $trans['update']['page'] = array(__('Are you sure you want to edit this page: "%s"?'), 'get_the_title');
-
- $trans['edit']['plugin'] = array(__('Are you sure you want to edit this plugin file: "%s"?'), 'use_id');
- $trans['activate']['plugin'] = array(__('Are you sure you want to activate this plugin: "%s"?'), 'use_id');
- $trans['deactivate']['plugin'] = array(__('Are you sure you want to deactivate this plugin: "%s"?'), 'use_id');
-
- $trans['add']['post'] = array(__('Are you sure you want to add this post?'), false);
- $trans['delete']['post'] = array(__('Are you sure you want to delete this post: "%s"?'), 'get_the_title');
- $trans['update']['post'] = array(__('Are you sure you want to edit this post: "%s"?'), 'get_the_title');
-
- $trans['add']['user'] = array(__('Are you sure you want to add this user?'), false);
- $trans['delete']['users'] = array(__('Are you sure you want to delete users?'), false);
- $trans['bulk']['users'] = array(__('Are you sure you want to bulk modify users?'), false);
- $trans['update']['user'] = array(__('Are you sure you want to edit this user: "%s"?'), 'get_author_name');
- $trans['update']['profile'] = array(__('Are you sure you want to modify the profile for: "%s"?'), 'get_author_name');
-
- $trans['update']['options'] = array(__('Are you sure you want to edit your settings?'), false);
- $trans['update']['permalink'] = array(__('Are you sure you want to change your permalink structure to: %s?'), 'use_id');
- $trans['edit']['file'] = array(__('Are you sure you want to edit this file: "%s"?'), 'use_id');
- $trans['edit']['theme'] = array(__('Are you sure you want to edit this theme file: "%s"?'), 'use_id');
- $trans['switch']['theme'] = array(__('Are you sure you want to switch to this theme: "%s"?'), 'use_id');
-
- if ( isset($trans[$verb][$noun]) ) {
- if ( !empty($trans[$verb][$noun][1]) ) {
- $lookup = $trans[$verb][$noun][1];
- $object = $matches[4];
- if ( 'use_id' != $lookup )
- $object = call_user_func($lookup, $object);
- return sprintf($trans[$verb][$noun][0], $object);
- } else {
- return $trans[$verb][$noun][0];
+ return compact( 'ext', 'type' );
+}
+
+/**
+ * Attempt to determine the real file type of a file.
+ * If unable to, the file name extension will be used to determine type.
+ *
+ * If it's determined that the extension does not match the file's real type,
+ * then the "proper_filename" value will be set with a proper filename and extension.
+ *
+ * Currently this function only supports validating images known to getimagesize().
+ *
+ * @since 3.0.0
+ *
+ * @param string $file Full path to the file.
+ * @param string $filename The name of the file (may differ from $file due to $file being in a tmp directory)
+ * @param array $mimes Optional. Key is the file extension with value as the mime type.
+ * @return array Values for the extension, MIME, and either a corrected filename or false if original $filename is valid
+ */
+function wp_check_filetype_and_ext( $file, $filename, $mimes = null ) {
+
+ $proper_filename = false;
+
+ // Do basic extension validation and MIME mapping
+ $wp_filetype = wp_check_filetype( $filename, $mimes );
+ extract( $wp_filetype );
+
+ // We can't do any further validation without a file to work with
+ if ( ! file_exists( $file ) )
+ return compact( 'ext', 'type', 'proper_filename' );
+
+ // We're able to validate images using GD
+ if ( $type && 0 === strpos( $type, 'image/' ) && function_exists('getimagesize') ) {
+
+ // Attempt to figure out what type of image it actually is
+ $imgstats = @getimagesize( $file );
+
+ // If getimagesize() knows what kind of image it really is and if the real MIME doesn't match the claimed MIME
+ if ( !empty($imgstats['mime']) && $imgstats['mime'] != $type ) {
+ // This is a simplified array of MIMEs that getimagesize() can detect and their extensions
+ // You shouldn't need to use this filter, but it's here just in case
+ $mime_to_ext = apply_filters( 'getimagesize_mimes_to_exts', array(
+ 'image/jpeg' => 'jpg',
+ 'image/png' => 'png',
+ 'image/gif' => 'gif',
+ 'image/bmp' => 'bmp',
+ 'image/tiff' => 'tif',
+ ) );
+
+ // Replace whatever is after the last period in the filename with the correct extension
+ if ( ! empty( $mime_to_ext[ $imgstats['mime'] ] ) ) {
+ $filename_parts = explode( '.', $filename );
+ array_pop( $filename_parts );
+ $filename_parts[] = $mime_to_ext[ $imgstats['mime'] ];
+ $new_filename = implode( '.', $filename_parts );
+
+ if ( $new_filename != $filename )
+ $proper_filename = $new_filename; // Mark that it changed
+
+ // Redefine the extension / MIME
+ $wp_filetype = wp_check_filetype( $new_filename, $mimes );
+ extract( $wp_filetype );
}
}
}
- return apply_filters( 'explain_nonce_' . $verb . '-' . $noun, __('Are you sure you want to do this?'), $matches[4] );
+ // Let plugins try and validate other types of files
+ // Should return an array in the style of array( 'ext' => $ext, 'type' => $type, 'proper_filename' => $proper_filename )
+ return apply_filters( 'wp_check_filetype_and_ext', compact( 'ext', 'type', 'proper_filename' ), $file, $filename, $mimes );
}
-function wp_nonce_ays($action) {
- global $pagenow, $menu, $submenu, $parent_file, $submenu_file;
-
- $adminurl = get_option('siteurl') . '/wp-admin';
- if ( wp_get_referer() )
- $adminurl = clean_url(wp_get_referer());
+/**
+ * Retrieve list of mime types and file extensions.
+ *
+ * @since 3.5.0
+ *
+ * @uses apply_filters() Calls 'mime_types' on returned array. This filter should
+ * be used to add types, not remove them. To remove types use the upload_mimes filter.
+ *
+ * @return array Array of mime types keyed by the file extension regex corresponding to those types.
+ */
+function wp_get_mime_types() {
+ // Accepted MIME types are set here as PCRE unless provided.
+ return apply_filters( 'mime_types', array(
+ // Image formats
+ 'jpg|jpeg|jpe' => 'image/jpeg',
+ 'gif' => 'image/gif',
+ 'png' => 'image/png',
+ 'bmp' => 'image/bmp',
+ 'tif|tiff' => 'image/tiff',
+ 'ico' => 'image/x-icon',
+ // Video formats
+ 'asf|asx' => 'video/x-ms-asf',
+ 'wmv' => 'video/x-ms-wmv',
+ 'wmx' => 'video/x-ms-wmx',
+ 'wm' => 'video/x-ms-wm',
+ 'avi' => 'video/avi',
+ 'divx' => 'video/divx',
+ 'flv' => 'video/x-flv',
+ 'mov|qt' => 'video/quicktime',
+ 'mpeg|mpg|mpe' => 'video/mpeg',
+ 'mp4|m4v' => 'video/mp4',
+ 'ogv' => 'video/ogg',
+ 'webm' => 'video/webm',
+ 'mkv' => 'video/x-matroska',
+ // Text formats
+ 'txt|asc|c|cc|h' => 'text/plain',
+ 'csv' => 'text/csv',
+ 'tsv' => 'text/tab-separated-values',
+ 'ics' => 'text/calendar',
+ 'rtx' => 'text/richtext',
+ 'css' => 'text/css',
+ 'htm|html' => 'text/html',
+ // Audio formats
+ 'mp3|m4a|m4b' => 'audio/mpeg',
+ 'ra|ram' => 'audio/x-realaudio',
+ 'wav' => 'audio/wav',
+ 'ogg|oga' => 'audio/ogg',
+ 'mid|midi' => 'audio/midi',
+ 'wma' => 'audio/x-ms-wma',
+ 'wax' => 'audio/x-ms-wax',
+ 'mka' => 'audio/x-matroska',
+ // Misc application formats
+ 'rtf' => 'application/rtf',
+ 'js' => 'application/javascript',
+ 'pdf' => 'application/pdf',
+ 'swf' => 'application/x-shockwave-flash',
+ 'class' => 'application/java',
+ 'tar' => 'application/x-tar',
+ 'zip' => 'application/zip',
+ 'gz|gzip' => 'application/x-gzip',
+ 'rar' => 'application/rar',
+ '7z' => 'application/x-7z-compressed',
+ 'exe' => 'application/x-msdownload',
+ // MS Office formats
+ 'doc' => 'application/msword',
+ 'pot|pps|ppt' => 'application/vnd.ms-powerpoint',
+ 'wri' => 'application/vnd.ms-write',
+ 'xla|xls|xlt|xlw' => 'application/vnd.ms-excel',
+ 'mdb' => 'application/vnd.ms-access',
+ 'mpp' => 'application/vnd.ms-project',
+ 'docx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.document',
+ 'docm' => 'application/vnd.ms-word.document.macroEnabled.12',
+ 'dotx' => 'application/vnd.openxmlformats-officedocument.wordprocessingml.template',
+ 'dotm' => 'application/vnd.ms-word.template.macroEnabled.12',
+ 'xlsx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.sheet',
+ 'xlsm' => 'application/vnd.ms-excel.sheet.macroEnabled.12',
+ 'xlsb' => 'application/vnd.ms-excel.sheet.binary.macroEnabled.12',
+ 'xltx' => 'application/vnd.openxmlformats-officedocument.spreadsheetml.template',
+ 'xltm' => 'application/vnd.ms-excel.template.macroEnabled.12',
+ 'xlam' => 'application/vnd.ms-excel.addin.macroEnabled.12',
+ 'pptx' => 'application/vnd.openxmlformats-officedocument.presentationml.presentation',
+ 'pptm' => 'application/vnd.ms-powerpoint.presentation.macroEnabled.12',
+ 'ppsx' => 'application/vnd.openxmlformats-officedocument.presentationml.slideshow',
+ 'ppsm' => 'application/vnd.ms-powerpoint.slideshow.macroEnabled.12',
+ 'potx' => 'application/vnd.openxmlformats-officedocument.presentationml.template',
+ 'potm' => 'application/vnd.ms-powerpoint.template.macroEnabled.12',
+ 'ppam' => 'application/vnd.ms-powerpoint.addin.macroEnabled.12',
+ 'sldx' => 'application/vnd.openxmlformats-officedocument.presentationml.slide',
+ 'sldm' => 'application/vnd.ms-powerpoint.slide.macroEnabled.12',
+ 'onetoc|onetoc2|onetmp|onepkg' => 'application/onenote',
+ // OpenOffice formats
+ 'odt' => 'application/vnd.oasis.opendocument.text',
+ 'odp' => 'application/vnd.oasis.opendocument.presentation',
+ 'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
+ 'odg' => 'application/vnd.oasis.opendocument.graphics',
+ 'odc' => 'application/vnd.oasis.opendocument.chart',
+ 'odb' => 'application/vnd.oasis.opendocument.database',
+ 'odf' => 'application/vnd.oasis.opendocument.formula',
+ // WordPerfect formats
+ 'wp|wpd' => 'application/wordperfect',
+ // iWork formats
+ 'key' => 'application/vnd.apple.keynote',
+ 'numbers' => 'application/vnd.apple.numbers',
+ 'pages' => 'application/vnd.apple.pages',
+ ) );
+}
+/**
+ * Retrieve list of allowed mime types and file extensions.
+ *
+ * @since 2.8.6
+ *
+ * @uses apply_filters() Calls 'upload_mimes' on returned array
+ * @uses wp_get_upload_mime_types() to fetch the list of mime types
+ *
+ * @param int|WP_User $user Optional. User to check. Defaults to current user.
+ * @return array Array of mime types keyed by the file extension regex corresponding to those types.
+ */
+function get_allowed_mime_types( $user = null ) {
+ $t = wp_get_mime_types();
+
+ unset( $t['swf'], $t['exe'] );
+ if ( function_exists( 'current_user_can' ) )
+ $unfiltered = $user ? user_can( $user, 'unfiltered_html' ) : current_user_can( 'unfiltered_html' );
+
+ if ( empty( $unfiltered ) )
+ unset( $t['htm|html'] );
+
+ return apply_filters( 'upload_mimes', $t, $user );
+}
- $title = __('WordPress Confirmation');
- // Remove extra layer of slashes.
- $_POST = stripslashes_deep($_POST );
- if ( $_POST ) {
- $q = http_build_query($_POST);
- $q = explode( ini_get('arg_separator.output'), $q);
- $html .= "\t<form method='post' action='" . attribute_escape($pagenow) . "'>\n";
- foreach ( (array) $q as $a ) {
- $v = substr(strstr($a, '='), 1);
- $k = substr($a, 0, -(strlen($v)+1));
- $html .= "\t\t<input type='hidden' name='" . attribute_escape(urldecode($k)) . "' value='" . attribute_escape(urldecode($v)) . "' />\n";
- }
- $html .= "\t\t<input type='hidden' name='_wpnonce' value='" . wp_create_nonce($action) . "' />\n";
- $html .= "\t\t<div id='message' class='confirm fade'>\n\t\t<p>" . wp_specialchars(wp_explain_nonce($action)) . "</p>\n\t\t<p><a href='$adminurl'>" . __('No') . "</a> <input type='submit' value='" . __('Yes') . "' /></p>\n\t\t</div>\n\t</form>\n";
+/**
+ * Display "Are You Sure" message to confirm the action being taken.
+ *
+ * If the action has the nonce explain message, then it will be displayed along
+ * with the "Are you sure?" message.
+ *
+ * @package WordPress
+ * @subpackage Security
+ * @since 2.0.4
+ *
+ * @param string $action The nonce action.
+ */
+function wp_nonce_ays( $action ) {
+ $title = __( 'WordPress Failure Notice' );
+ if ( 'log-out' == $action ) {
+ $html = sprintf( __( 'You are attempting to log out of %s' ), get_bloginfo( 'name' ) ) . '</p><p>';
+ $html .= sprintf( __( "Do you really want to <a href='%s'>log out</a>?"), wp_logout_url() );
} else {
- $html .= "\t<div id='message' class='confirm fade'>\n\t<p>" . wp_specialchars(wp_explain_nonce($action)) . "</p>\n\t<p><a href='$adminurl'>" . __('No') . "</a> <a href='" . clean_url(add_query_arg( '_wpnonce', wp_create_nonce($action), $_SERVER['REQUEST_URI'] )) . "'>" . __('Yes') . "</a></p>\n\t</div>\n";
+ $html = __( 'Are you sure you want to do this?' );
+ if ( wp_get_referer() )
+ $html .= "</p><p><a href='" . esc_url( remove_query_arg( 'updated', wp_get_referer() ) ) . "'>" . __( 'Please try again.' ) . "</a>";
}
- $html .= "</body>\n</html>";
- wp_die($html, $title);
+
+ wp_die( $html, $title, array('response' => 403) );
}
-function wp_die( $message, $title = '' ) {
- global $wp_locale;
+/**
+ * Kill WordPress execution and display HTML message with error message.
+ *
+ * This function complements the die() PHP function. The difference is that
+ * HTML will be displayed to the user. It is recommended to use this function
+ * only, when the execution should not continue any further. It is not
+ * recommended to call this function very often and try to handle as many errors
+ * as possible silently.
+ *
+ * @since 2.0.4
+ *
+ * @param string $message Error message.
+ * @param string $title Error title.
+ * @param string|array $args Optional arguments to control behavior.
+ */
+function wp_die( $message = '', $title = '', $args = array() ) {
+ if ( defined( 'DOING_AJAX' ) && DOING_AJAX )
+ $function = apply_filters( 'wp_die_ajax_handler', '_ajax_wp_die_handler' );
+ elseif ( defined( 'XMLRPC_REQUEST' ) && XMLRPC_REQUEST )
+ $function = apply_filters( 'wp_die_xmlrpc_handler', '_xmlrpc_wp_die_handler' );
+ else
+ $function = apply_filters( 'wp_die_handler', '_default_wp_die_handler' );
+
+ call_user_func( $function, $message, $title, $args );
+}
+
+/**
+ * Kill WordPress execution and display HTML message with error message.
+ *
+ * This is the default handler for wp_die if you want a custom one for your
+ * site then you can overload using the wp_die_handler filter in wp_die
+ *
+ * @since 3.0.0
+ * @access private
+ *
+ * @param string $message Error message.
+ * @param string $title Error title.
+ * @param string|array $args Optional arguments to control behavior.
+ */
+function _default_wp_die_handler( $message, $title = '', $args = array() ) {
+ $defaults = array( 'response' => 500 );
+ $r = wp_parse_args($args, $defaults);
+
+ $have_gettext = function_exists('__');
if ( function_exists( 'is_wp_error' ) && is_wp_error( $message ) ) {
- if ( empty($title) ) {
+ if ( empty( $title ) ) {
$error_data = $message->get_error_data();
- if ( is_array($error_data) && isset($error_data['title']) )
+ if ( is_array( $error_data ) && isset( $error_data['title'] ) )
$title = $error_data['title'];
}
$errors = $message->get_error_messages();
- switch ( count($errors) ) :
+ switch ( count( $errors ) ) :
case 0 :
$message = '';
break;
$message = "<ul>\n\t\t<li>" . join( "</li>\n\t\t<li>", $errors ) . "</li>\n\t</ul>";
break;
endswitch;
- } elseif ( is_string($message) ) {
+ } elseif ( is_string( $message ) ) {
$message = "<p>$message</p>";
}
- if ( defined('WP_SITEURL') && '' != WP_SITEURL )
- $admin_dir = WP_SITEURL.'/wp-admin/';
- elseif (function_exists('get_bloginfo') && '' != get_bloginfo('wpurl'))
- $admin_dir = get_bloginfo('wpurl').'/wp-admin/';
- elseif (strpos($_SERVER['PHP_SELF'], 'wp-admin') !== false)
- $admin_dir = '';
- else
- $admin_dir = 'wp-admin/';
-
- if ( !function_exists('did_action') || !did_action('admin_head') ) :
- if( !headers_sent() ){
- status_header(500);
- nocache_headers();
- header('Content-Type: text/html; charset=utf-8');
+ if ( isset( $r['back_link'] ) && $r['back_link'] ) {
+ $back_text = $have_gettext? __('« Back') : '« Back';
+ $message .= "\n<p><a href='javascript:history.back()'>$back_text</a></p>";
}
- if ( empty($title) ){
- if( function_exists('__') )
- $title = __('WordPress › Error');
- else
- $title = 'WordPress › Error';
- }
+ if ( ! did_action( 'admin_head' ) ) :
+ if ( !headers_sent() ) {
+ status_header( $r['response'] );
+ nocache_headers();
+ header( 'Content-Type: text/html; charset=utf-8' );
+ }
+ if ( empty($title) )
+ $title = $have_gettext ? __('WordPress › Error') : 'WordPress › Error';
+
+ $text_direction = 'ltr';
+ if ( isset($r['text_direction']) && 'rtl' == $r['text_direction'] )
+ $text_direction = 'rtl';
+ elseif ( function_exists( 'is_rtl' ) && is_rtl() )
+ $text_direction = 'rtl';
?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml" <?php if ( function_exists('language_attributes') ) language_attributes(); ?>>
+<!DOCTYPE html>
+<!-- Ticket #11289, IE bug fix: always pad the error page with enough characters such that it is greater than 512 bytes, even after gzip compression abcdefghijklmnopqrstuvwxyz1234567890aabbccddeeffgghhiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz11223344556677889900abacbcbdcdcededfefegfgfhghgihihjijikjkjlklkmlmlnmnmononpopoqpqprqrqsrsrtstsubcbcdcdedefefgfabcadefbghicjkldmnoepqrfstugvwxhyz1i234j567k890laabmbccnddeoeffpgghqhiirjjksklltmmnunoovppqwqrrxsstytuuzvvw0wxx1yyz2z113223434455666777889890091abc2def3ghi4jkl5mno6pqr7stu8vwx9yz11aab2bcc3dd4ee5ff6gg7hh8ii9j0jk1kl2lmm3nnoo4p5pq6qrr7ss8tt9uuvv0wwx1x2yyzz13aba4cbcb5dcdc6dedfef8egf9gfh0ghg1ihi2hji3jik4jkj5lkl6kml7mln8mnm9ono
+-->
+<html xmlns="http://www.w3.org/1999/xhtml" <?php if ( function_exists( 'language_attributes' ) && function_exists( 'is_rtl' ) ) language_attributes(); else echo "dir='$text_direction'"; ?>>
<head>
- <title><?php echo $title ?></title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
- <link rel="stylesheet" href="<?php echo $admin_dir; ?>css/install.css" type="text/css" />
-<?php
-if ( ( $wp_locale ) && ('rtl' == $wp_locale->text_direction) ) : ?>
- <link rel="stylesheet" href="<?php echo $admin_dir; ?>css/install-rtl.css" type="text/css" />
-<?php endif; ?>
+ <title><?php echo $title ?></title>
+ <style type="text/css">
+ html {
+ background: #eee;
+ }
+ body {
+ background: #fff;
+ color: #333;
+ font-family: "Open Sans", sans-serif;
+ margin: 2em auto;
+ padding: 1em 2em;
+ max-width: 700px;
+ -webkit-box-shadow: 0 1px 3px rgba(0,0,0,0.13);
+ box-shadow: 0 1px 3px rgba(0,0,0,0.13);
+ }
+ h1 {
+ border-bottom: 1px solid #dadada;
+ clear: both;
+ color: #666;
+ font: 24px "Open Sans", sans-serif;
+ margin: 30px 0 0 0;
+ padding: 0;
+ padding-bottom: 7px;
+ }
+ #error-page {
+ margin-top: 50px;
+ }
+ #error-page p {
+ font-size: 14px;
+ line-height: 1.5;
+ margin: 25px 0 20px;
+ }
+ #error-page code {
+ font-family: Consolas, Monaco, monospace;
+ }
+ ul li {
+ margin-bottom: 10px;
+ font-size: 14px ;
+ }
+ a {
+ color: #21759B;
+ text-decoration: none;
+ }
+ a:hover {
+ color: #D54E21;
+ }
+ .button {
+ background: #f7f7f7;
+ border: 1px solid #cccccc;
+ color: #555;
+ display: inline-block;
+ text-decoration: none;
+ font-size: 13px;
+ line-height: 26px;
+ height: 28px;
+ margin: 0;
+ padding: 0 10px 1px;
+ cursor: pointer;
+ -webkit-border-radius: 3px;
+ -webkit-appearance: none;
+ border-radius: 3px;
+ white-space: nowrap;
+ -webkit-box-sizing: border-box;
+ -moz-box-sizing: border-box;
+ box-sizing: border-box;
+
+ -webkit-box-shadow: inset 0 1px 0 #fff, 0 1px 0 rgba(0,0,0,.08);
+ box-shadow: inset 0 1px 0 #fff, 0 1px 0 rgba(0,0,0,.08);
+ vertical-align: top;
+ }
+
+ .button.button-large {
+ height: 29px;
+ line-height: 28px;
+ padding: 0 12px;
+ }
+
+ .button:hover,
+ .button:focus {
+ background: #fafafa;
+ border-color: #999;
+ color: #222;
+ }
+
+ .button:focus {
+ -webkit-box-shadow: 1px 1px 1px rgba(0,0,0,.2);
+ box-shadow: 1px 1px 1px rgba(0,0,0,.2);
+ }
+
+ .button:active {
+ background: #eee;
+ border-color: #999;
+ color: #333;
+ -webkit-box-shadow: inset 0 2px 5px -3px rgba( 0, 0, 0, 0.5 );
+ box-shadow: inset 0 2px 5px -3px rgba( 0, 0, 0, 0.5 );
+ }
+
+ <?php if ( 'rtl' == $text_direction ) : ?>
+ body { font-family: Tahoma, Arial; }
+ <?php endif; ?>
+ </style>
</head>
-<body>
-<?php endif; ?>
- <h1 id="logo"><img alt="WordPress" src="<?php echo $admin_dir; ?>images/wordpress-logo.png" /></h1>
+<body id="error-page">
+<?php endif; // ! did_action( 'admin_head' ) ?>
<?php echo $message; ?>
-
</body>
</html>
<?php
die();
}
-function _config_wp_home($url = '') {
- if ( defined( 'WP_HOME' ) )
- return WP_HOME;
- else return $url;
+/**
+ * Kill WordPress execution and display XML message with error message.
+ *
+ * This is the handler for wp_die when processing XMLRPC requests.
+ *
+ * @since 3.2.0
+ * @access private
+ *
+ * @param string $message Error message.
+ * @param string $title Error title.
+ * @param string|array $args Optional arguments to control behavior.
+ */
+function _xmlrpc_wp_die_handler( $message, $title = '', $args = array() ) {
+ global $wp_xmlrpc_server;
+ $defaults = array( 'response' => 500 );
+
+ $r = wp_parse_args($args, $defaults);
+
+ if ( $wp_xmlrpc_server ) {
+ $error = new IXR_Error( $r['response'] , $message);
+ $wp_xmlrpc_server->output( $error->getXml() );
+ }
+ die();
}
-function _config_wp_siteurl($url = '') {
- if ( defined( 'WP_SITEURL' ) )
- return WP_SITEURL;
- else return $url;
+/**
+ * Kill WordPress ajax execution.
+ *
+ * This is the handler for wp_die when processing Ajax requests.
+ *
+ * @since 3.4.0
+ * @access private
+ *
+ * @param string $message Optional. Response to print.
+ */
+function _ajax_wp_die_handler( $message = '' ) {
+ if ( is_scalar( $message ) )
+ die( (string) $message );
+ die( '0' );
}
-function _mce_set_direction() {
- global $wp_locale;
+/**
+ * Kill WordPress execution.
+ *
+ * This is the handler for wp_die when processing APP requests.
+ *
+ * @since 3.4.0
+ * @access private
+ *
+ * @param string $message Optional. Response to print.
+ */
+function _scalar_wp_die_handler( $message = '' ) {
+ if ( is_scalar( $message ) )
+ die( (string) $message );
+ die();
+}
- if ('rtl' == $wp_locale->text_direction) {
- echo 'directionality : "rtl" ,';
- echo 'theme_advanced_toolbar_align : "right" ,';
- }
+/**
+ * Send a JSON response back to an Ajax request.
+ *
+ * @since 3.5.0
+ *
+ * @param mixed $response Variable (usually an array or object) to encode as JSON, then print and die.
+ */
+function wp_send_json( $response ) {
+ @header( 'Content-Type: application/json; charset=' . get_option( 'blog_charset' ) );
+ echo json_encode( $response );
+ if ( defined( 'DOING_AJAX' ) && DOING_AJAX )
+ wp_die();
+ else
+ die;
}
-function _mce_load_rtl_plugin($input) {
- global $wp_locale;
+/**
+ * Send a JSON response back to an Ajax request, indicating success.
+ *
+ * @since 3.5.0
+ *
+ * @param mixed $data Data to encode as JSON, then print and die.
+ */
+function wp_send_json_success( $data = null ) {
+ $response = array( 'success' => true );
- if ('rtl' == $wp_locale->text_direction)
- $input[] = 'directionality';
+ if ( isset( $data ) )
+ $response['data'] = $data;
- return $input;
+ wp_send_json( $response );
}
-function _mce_add_direction_buttons($input) {
- global $wp_locale;
+/**
+ * Send a JSON response back to an Ajax request, indicating failure.
+ *
+ * @since 3.5.0
+ *
+ * @param mixed $data Data to encode as JSON, then print and die.
+ */
+function wp_send_json_error( $data = null ) {
+ $response = array( 'success' => false );
+
+ if ( isset( $data ) )
+ $response['data'] = $data;
+
+ wp_send_json( $response );
+}
- if ('rtl' == $wp_locale->text_direction) {
- $new_buttons = array('separator', 'ltr', 'rtl');
- $input = array_merge($input, $new_buttons);
+/**
+ * Retrieve the WordPress home page URL.
+ *
+ * If the constant named 'WP_HOME' exists, then it will be used and returned by
+ * the function. This can be used to counter the redirection on your local
+ * development environment.
+ *
+ * @access private
+ * @package WordPress
+ * @since 2.2.0
+ *
+ * @param string $url URL for the home location
+ * @return string Homepage location.
+ */
+function _config_wp_home( $url = '' ) {
+ if ( defined( 'WP_HOME' ) )
+ return untrailingslashit( WP_HOME );
+ return $url;
+}
+
+/**
+ * Retrieve the WordPress site URL.
+ *
+ * If the constant named 'WP_SITEURL' is defined, then the value in that
+ * constant will always be returned. This can be used for debugging a site on
+ * your localhost while not having to change the database to your URL.
+ *
+ * @access private
+ * @package WordPress
+ * @since 2.2.0
+ *
+ * @param string $url URL to set the WordPress site location.
+ * @return string The WordPress Site URL
+ */
+function _config_wp_siteurl( $url = '' ) {
+ if ( defined( 'WP_SITEURL' ) )
+ return untrailingslashit( WP_SITEURL );
+ return $url;
+}
+
+/**
+ * Set the localized direction for MCE plugin.
+ *
+ * Will only set the direction to 'rtl', if the WordPress locale has the text
+ * direction set to 'rtl'.
+ *
+ * Fills in the 'directionality', 'plugins', and 'theme_advanced_button1' array
+ * keys. These keys are then returned in the $input array.
+ *
+ * @access private
+ * @package WordPress
+ * @subpackage MCE
+ * @since 2.1.0
+ *
+ * @param array $input MCE plugin array.
+ * @return array Direction set for 'rtl', if needed by locale.
+ */
+function _mce_set_direction( $input ) {
+ if ( is_rtl() ) {
+ $input['directionality'] = 'rtl';
+ $input['plugins'] .= ',directionality';
+ $input['theme_advanced_buttons1'] .= ',ltr';
}
return $input;
}
+
+/**
+ * Convert smiley code to the icon graphic file equivalent.
+ *
+ * You can turn off smilies, by going to the write setting screen and unchecking
+ * the box, or by setting 'use_smilies' option to false or removing the option.
+ *
+ * Plugins may override the default smiley list by setting the $wpsmiliestrans
+ * to an array, with the key the code the blogger types in and the value the
+ * image file.
+ *
+ * The $wp_smiliessearch global is for the regular expression and is set each
+ * time the function is called.
+ *
+ * The full list of smilies can be found in the function and won't be listed in
+ * the description. Probably should create a Codex page for it, so that it is
+ * available.
+ *
+ * @global array $wpsmiliestrans
+ * @global array $wp_smiliessearch
+ * @since 2.2.0
+ */
function smilies_init() {
- global $wpsmiliestrans, $wp_smiliessearch, $wp_smiliesreplace;
+ global $wpsmiliestrans, $wp_smiliessearch;
// don't bother setting up smilies if they are disabled
- if ( !get_option('use_smilies') )
+ if ( !get_option( 'use_smilies' ) )
return;
- if (!isset($wpsmiliestrans)) {
+ if ( !isset( $wpsmiliestrans ) ) {
$wpsmiliestrans = array(
':mrgreen:' => 'icon_mrgreen.gif',
':neutral:' => 'icon_neutral.gif',
':-x' => 'icon_mad.gif',
':-|' => 'icon_neutral.gif',
';-)' => 'icon_wink.gif',
- '8)' => 'icon_cool.gif',
+ // This one transformation breaks regular text with frequency.
+ // '8)' => 'icon_cool.gif',
'8O' => 'icon_eek.gif',
':(' => 'icon_sad.gif',
':)' => 'icon_smile.gif',
);
}
- $siteurl = get_option('siteurl');
+ if (count($wpsmiliestrans) == 0) {
+ return;
+ }
+
+ /*
+ * NOTE: we sort the smilies in reverse key order. This is to make sure
+ * we match the longest possible smilie (:???: vs :?) as the regular
+ * expression used below is first-match
+ */
+ krsort($wpsmiliestrans);
+
+ $wp_smiliessearch = '/((?:\s|^)';
+
+ $subchar = '';
foreach ( (array) $wpsmiliestrans as $smiley => $img ) {
- $wp_smiliessearch[] = '/(\s|^)'.preg_quote($smiley, '/').'(\s|$)/';
- $smiley_masked = htmlspecialchars(trim($smiley), ENT_QUOTES);
- $wp_smiliesreplace[] = " <img src='$siteurl/wp-includes/images/smilies/$img' alt='$smiley_masked' class='wp-smiley' /> ";
+ $firstchar = substr($smiley, 0, 1);
+ $rest = substr($smiley, 1);
+
+ // new subpattern?
+ if ($firstchar != $subchar) {
+ if ($subchar != '') {
+ $wp_smiliessearch .= ')(?=\s|$))|((?:\s|^)'; ;
+ }
+ $subchar = $firstchar;
+ $wp_smiliessearch .= preg_quote($firstchar, '/') . '(?:';
+ } else {
+ $wp_smiliessearch .= '|';
+ }
+ $wp_smiliessearch .= preg_quote($rest, '/');
}
+
+ $wp_smiliessearch .= ')(?=\s|$))/m';
+
}
+/**
+ * Merge user defined arguments into defaults array.
+ *
+ * This function is used throughout WordPress to allow for both string or array
+ * to be merged into another array.
+ *
+ * @since 2.2.0
+ *
+ * @param string|array $args Value to merge with $defaults
+ * @param array $defaults Array that serves as the defaults.
+ * @return array Merged user defined values with defaults.
+ */
function wp_parse_args( $args, $defaults = '' ) {
- if ( is_object($args) )
- $r = get_object_vars($args);
- else if ( is_array( $args ) )
+ if ( is_object( $args ) )
+ $r = get_object_vars( $args );
+ elseif ( is_array( $args ) )
$r =& $args;
else
wp_parse_str( $args, $r );
if ( is_array( $defaults ) )
return array_merge( $defaults, $r );
- else
- return $r;
+ return $r;
}
-function wp_maybe_load_widgets() {
- if ( !function_exists( 'dynamic_sidebar' ) ) {
- require_once ABSPATH . WPINC . '/widgets.php';
- add_action( '_admin_menu', 'wp_widgets_add_menu' );
+/**
+ * Clean up an array, comma- or space-separated list of IDs.
+ *
+ * @since 3.0.0
+ *
+ * @param array|string $list
+ * @return array Sanitized array of IDs
+ */
+function wp_parse_id_list( $list ) {
+ if ( !is_array($list) )
+ $list = preg_split('/[\s,]+/', $list);
+
+ return array_unique(array_map('absint', $list));
+}
+
+/**
+ * Extract a slice of an array, given a list of keys.
+ *
+ * @since 3.1.0
+ *
+ * @param array $array The original array
+ * @param array $keys The list of keys
+ * @return array The array slice
+ */
+function wp_array_slice_assoc( $array, $keys ) {
+ $slice = array();
+ foreach ( $keys as $key )
+ if ( isset( $array[ $key ] ) )
+ $slice[ $key ] = $array[ $key ];
+
+ return $slice;
+}
+
+/**
+ * Filters a list of objects, based on a set of key => value arguments.
+ *
+ * @since 3.0.0
+ *
+ * @param array $list An array of objects to filter
+ * @param array $args An array of key => value arguments to match against each object
+ * @param string $operator The logical operation to perform. 'or' means only one element
+ * from the array needs to match; 'and' means all elements must match. The default is 'and'.
+ * @param bool|string $field A field from the object to place instead of the entire object
+ * @return array A list of objects or object fields
+ */
+function wp_filter_object_list( $list, $args = array(), $operator = 'and', $field = false ) {
+ if ( ! is_array( $list ) )
+ return array();
+
+ $list = wp_list_filter( $list, $args, $operator );
+
+ if ( $field )
+ $list = wp_list_pluck( $list, $field );
+
+ return $list;
+}
+
+/**
+ * Filters a list of objects, based on a set of key => value arguments.
+ *
+ * @since 3.1.0
+ *
+ * @param array $list An array of objects to filter
+ * @param array $args An array of key => value arguments to match against each object
+ * @param string $operator The logical operation to perform:
+ * 'AND' means all elements from the array must match;
+ * 'OR' means only one element needs to match;
+ * 'NOT' means no elements may match.
+ * The default is 'AND'.
+ * @return array
+ */
+function wp_list_filter( $list, $args = array(), $operator = 'AND' ) {
+ if ( ! is_array( $list ) )
+ return array();
+
+ if ( empty( $args ) )
+ return $list;
+
+ $operator = strtoupper( $operator );
+ $count = count( $args );
+ $filtered = array();
+
+ foreach ( $list as $key => $obj ) {
+ $to_match = (array) $obj;
+
+ $matched = 0;
+ foreach ( $args as $m_key => $m_value ) {
+ if ( array_key_exists( $m_key, $to_match ) && $m_value == $to_match[ $m_key ] )
+ $matched++;
+ }
+
+ if ( ( 'AND' == $operator && $matched == $count )
+ || ( 'OR' == $operator && $matched > 0 )
+ || ( 'NOT' == $operator && 0 == $matched ) ) {
+ $filtered[$key] = $obj;
+ }
+ }
+
+ return $filtered;
+}
+
+/**
+ * Pluck a certain field out of each object in a list.
+ *
+ * @since 3.1.0
+ *
+ * @param array $list A list of objects or arrays
+ * @param int|string $field A field from the object to place instead of the entire object
+ * @return array
+ */
+function wp_list_pluck( $list, $field ) {
+ foreach ( $list as $key => $value ) {
+ if ( is_object( $value ) )
+ $list[ $key ] = $value->$field;
+ else
+ $list[ $key ] = $value[ $field ];
}
+
+ return $list;
}
+/**
+ * Determines if Widgets library should be loaded.
+ *
+ * Checks to make sure that the widgets library hasn't already been loaded. If
+ * it hasn't, then it will load the widgets library and run an action hook.
+ *
+ * @since 2.2.0
+ * @uses add_action() Calls '_admin_menu' hook with 'wp_widgets_add_menu' value.
+ */
+function wp_maybe_load_widgets() {
+ if ( ! apply_filters('load_default_widgets', true) )
+ return;
+ require_once( ABSPATH . WPINC . '/default-widgets.php' );
+ add_action( '_admin_menu', 'wp_widgets_add_menu' );
+}
+
+/**
+ * Append the Widgets menu to the themes main menu.
+ *
+ * @since 2.2.0
+ * @uses $submenu The administration submenu list.
+ */
function wp_widgets_add_menu() {
global $submenu;
- $submenu['themes.php'][7] = array( __( 'Widgets' ), 'switch_themes', 'widgets.php' );
- ksort($submenu['themes.php'], SORT_NUMERIC);
+
+ if ( ! current_theme_supports( 'widgets' ) )
+ return;
+
+ $submenu['themes.php'][7] = array( __( 'Widgets' ), 'edit_theme_options', 'widgets.php' );
+ ksort( $submenu['themes.php'], SORT_NUMERIC );
}
-// For PHP 5.2, make sure all output buffers are flushed
-// before our singletons our destroyed.
-function wp_ob_end_flush_all()
-{
- while ( @ob_end_flush() );
+/**
+ * Flush all output buffers for PHP 5.2.
+ *
+ * Make sure all output buffers are flushed before our singletons our destroyed.
+ *
+ * @since 2.2.0
+ */
+function wp_ob_end_flush_all() {
+ $levels = ob_get_level();
+ for ($i=0; $i<$levels; $i++)
+ ob_end_flush();
}
+/**
+ * Load custom DB error or display WordPress DB error.
+ *
+ * If a file exists in the wp-content directory named db-error.php, then it will
+ * be loaded instead of displaying the WordPress DB error. If it is not found,
+ * then the WordPress DB error will be displayed instead.
+ *
+ * The WordPress DB error sets the HTTP status header to 500 to try to prevent
+ * search engines from caching the message. Custom DB messages should do the
+ * same.
+ *
+ * This function was backported to WordPress 2.3.2, but originally was added
+ * in WordPress 2.5.0.
+ *
+ * @since 2.3.2
+ * @uses $wpdb
+ */
function dead_db() {
global $wpdb;
// Load custom DB error template, if present.
- if ( file_exists( ABSPATH . 'wp-content/db-error.php' ) ) {
- require_once( ABSPATH . 'wp-content/db-error.php' );
+ if ( file_exists( WP_CONTENT_DIR . '/db-error.php' ) ) {
+ require_once( WP_CONTENT_DIR . '/db-error.php' );
die();
}
status_header( 500 );
nocache_headers();
header( 'Content-Type: text/html; charset=utf-8' );
+
+ wp_load_translations_early();
?>
-<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
-<html xmlns="http://www.w3.org/1999/xhtml" <?php if ( function_exists( 'language_attributes' ) ) language_attributes(); ?>>
+<!DOCTYPE html>
+<html xmlns="http://www.w3.org/1999/xhtml"<?php if ( is_rtl() ) echo ' dir="rtl"'; ?>>
<head>
- <title>Database Error</title>
- <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
+ <title><?php _e( 'Database Error' ); ?></title>
+
</head>
<body>
- <h1>Error establishing a database connection</h1>
+ <h1><?php _e( 'Error establishing a database connection' ); ?></h1>
</body>
</html>
<?php
die();
}
-?>
+/**
+ * Converts value to nonnegative integer.
+ *
+ * @since 2.5.0
+ *
+ * @param mixed $maybeint Data you wish to have converted to a nonnegative integer
+ * @return int An nonnegative integer
+ */
+function absint( $maybeint ) {
+ return abs( intval( $maybeint ) );
+}
+
+/**
+ * Determines if the blog can be accessed over SSL.
+ *
+ * Determines if blog can be accessed over SSL by using cURL to access the site
+ * using the https in the siteurl. Requires cURL extension to work correctly.
+ *
+ * @since 2.5.0
+ *
+ * @param string $url
+ * @return bool Whether SSL access is available
+ */
+function url_is_accessable_via_ssl($url)
+{
+ if ( in_array( 'curl', get_loaded_extensions() ) ) {
+ $ssl = set_url_scheme( $url, 'https' );
+
+ $ch = curl_init();
+ curl_setopt($ch, CURLOPT_URL, $ssl);
+ curl_setopt($ch, CURLOPT_FAILONERROR, true);
+ curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);
+ curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
+ curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5);
+
+ curl_exec($ch);
+
+ $status = curl_getinfo($ch, CURLINFO_HTTP_CODE);
+ curl_close ($ch);
+
+ if ($status == 200 || $status == 401) {
+ return true;
+ }
+ }
+ return false;
+}
+
+/**
+ * Marks a function as deprecated and informs when it has been used.
+ *
+ * There is a hook deprecated_function_run that will be called that can be used
+ * to get the backtrace up to what file and function called the deprecated
+ * function.
+ *
+ * The current behavior is to trigger a user error if WP_DEBUG is true.
+ *
+ * This function is to be used in every function that is deprecated.
+ *
+ * @package WordPress
+ * @subpackage Debug
+ * @since 2.5.0
+ * @access private
+ *
+ * @uses do_action() Calls 'deprecated_function_run' and passes the function name, what to use instead,
+ * and the version the function was deprecated in.
+ * @uses apply_filters() Calls 'deprecated_function_trigger_error' and expects boolean value of true to do
+ * trigger or false to not trigger error.
+ *
+ * @param string $function The function that was called
+ * @param string $version The version of WordPress that deprecated the function
+ * @param string $replacement Optional. The function that should have been called
+ */
+function _deprecated_function( $function, $version, $replacement = null ) {
+
+ do_action( 'deprecated_function_run', $function, $replacement, $version );
+
+ // Allow plugin to filter the output error trigger
+ if ( WP_DEBUG && apply_filters( 'deprecated_function_trigger_error', true ) ) {
+ if ( function_exists( '__' ) ) {
+ if ( ! is_null( $replacement ) )
+ trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.'), $function, $version, $replacement ) );
+ else
+ trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.'), $function, $version ) );
+ } else {
+ if ( ! is_null( $replacement ) )
+ trigger_error( sprintf( '%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.', $function, $version, $replacement ) );
+ else
+ trigger_error( sprintf( '%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.', $function, $version ) );
+ }
+ }
+}
+
+/**
+ * Marks a file as deprecated and informs when it has been used.
+ *
+ * There is a hook deprecated_file_included that will be called that can be used
+ * to get the backtrace up to what file and function included the deprecated
+ * file.
+ *
+ * The current behavior is to trigger a user error if WP_DEBUG is true.
+ *
+ * This function is to be used in every file that is deprecated.
+ *
+ * @package WordPress
+ * @subpackage Debug
+ * @since 2.5.0
+ * @access private
+ *
+ * @uses do_action() Calls 'deprecated_file_included' and passes the file name, what to use instead,
+ * the version in which the file was deprecated, and any message regarding the change.
+ * @uses apply_filters() Calls 'deprecated_file_trigger_error' and expects boolean value of true to do
+ * trigger or false to not trigger error.
+ *
+ * @param string $file The file that was included
+ * @param string $version The version of WordPress that deprecated the file
+ * @param string $replacement Optional. The file that should have been included based on ABSPATH
+ * @param string $message Optional. A message regarding the change
+ */
+function _deprecated_file( $file, $version, $replacement = null, $message = '' ) {
+
+ do_action( 'deprecated_file_included', $file, $replacement, $version, $message );
+
+ // Allow plugin to filter the output error trigger
+ if ( WP_DEBUG && apply_filters( 'deprecated_file_trigger_error', true ) ) {
+ $message = empty( $message ) ? '' : ' ' . $message;
+ if ( function_exists( '__' ) ) {
+ if ( ! is_null( $replacement ) )
+ trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.'), $file, $version, $replacement ) . $message );
+ else
+ trigger_error( sprintf( __('%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.'), $file, $version ) . $message );
+ } else {
+ if ( ! is_null( $replacement ) )
+ trigger_error( sprintf( '%1$s is <strong>deprecated</strong> since version %2$s! Use %3$s instead.', $file, $version, $replacement ) . $message );
+ else
+ trigger_error( sprintf( '%1$s is <strong>deprecated</strong> since version %2$s with no alternative available.', $file, $version ) . $message );
+ }
+ }
+}
+/**
+ * Marks a function argument as deprecated and informs when it has been used.
+ *
+ * This function is to be used whenever a deprecated function argument is used.
+ * Before this function is called, the argument must be checked for whether it was
+ * used by comparing it to its default value or evaluating whether it is empty.
+ * For example:
+ * <code>
+ * if ( !empty($deprecated) )
+ * _deprecated_argument( __FUNCTION__, '3.0' );
+ * </code>
+ *
+ * There is a hook deprecated_argument_run that will be called that can be used
+ * to get the backtrace up to what file and function used the deprecated
+ * argument.
+ *
+ * The current behavior is to trigger a user error if WP_DEBUG is true.
+ *
+ * @package WordPress
+ * @subpackage Debug
+ * @since 3.0.0
+ * @access private
+ *
+ * @uses do_action() Calls 'deprecated_argument_run' and passes the function name, a message on the change,
+ * and the version in which the argument was deprecated.
+ * @uses apply_filters() Calls 'deprecated_argument_trigger_error' and expects boolean value of true to do
+ * trigger or false to not trigger error.
+ *
+ * @param string $function The function that was called
+ * @param string $version The version of WordPress that deprecated the argument used
+ * @param string $message Optional. A message regarding the change.
+ */
+function _deprecated_argument( $function, $version, $message = null ) {
+
+ do_action( 'deprecated_argument_run', $function, $message, $version );
+
+ // Allow plugin to filter the output error trigger
+ if ( WP_DEBUG && apply_filters( 'deprecated_argument_trigger_error', true ) ) {
+ if ( function_exists( '__' ) ) {
+ if ( ! is_null( $message ) )
+ trigger_error( sprintf( __('%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s! %3$s'), $function, $version, $message ) );
+ else
+ trigger_error( sprintf( __('%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s with no alternative available.'), $function, $version ) );
+ } else {
+ if ( ! is_null( $message ) )
+ trigger_error( sprintf( '%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s! %3$s', $function, $version, $message ) );
+ else
+ trigger_error( sprintf( '%1$s was called with an argument that is <strong>deprecated</strong> since version %2$s with no alternative available.', $function, $version ) );
+ }
+ }
+}
+
+/**
+ * Marks something as being incorrectly called.
+ *
+ * There is a hook doing_it_wrong_run that will be called that can be used
+ * to get the backtrace up to what file and function called the deprecated
+ * function.
+ *
+ * The current behavior is to trigger a user error if WP_DEBUG is true.
+ *
+ * @package WordPress
+ * @subpackage Debug
+ * @since 3.1.0
+ * @access private
+ *
+ * @uses do_action() Calls 'doing_it_wrong_run' and passes the function arguments.
+ * @uses apply_filters() Calls 'doing_it_wrong_trigger_error' and expects boolean value of true to do
+ * trigger or false to not trigger error.
+ *
+ * @param string $function The function that was called.
+ * @param string $message A message explaining what has been done incorrectly.
+ * @param string $version The version of WordPress where the message was added.
+ */
+function _doing_it_wrong( $function, $message, $version ) {
+
+ do_action( 'doing_it_wrong_run', $function, $message, $version );
+
+ // Allow plugin to filter the output error trigger
+ if ( WP_DEBUG && apply_filters( 'doing_it_wrong_trigger_error', true ) ) {
+ if ( function_exists( '__' ) ) {
+ $version = is_null( $version ) ? '' : sprintf( __( '(This message was added in version %s.)' ), $version );
+ $message .= ' ' . __( 'Please see <a href="http://codex.wordpress.org/Debugging_in_WordPress">Debugging in WordPress</a> for more information.' );
+ trigger_error( sprintf( __( '%1$s was called <strong>incorrectly</strong>. %2$s %3$s' ), $function, $message, $version ) );
+ } else {
+ $version = is_null( $version ) ? '' : sprintf( '(This message was added in version %s.)', $version );
+ $message .= ' Please see <a href="http://codex.wordpress.org/Debugging_in_WordPress">Debugging in WordPress</a> for more information.';
+ trigger_error( sprintf( '%1$s was called <strong>incorrectly</strong>. %2$s %3$s', $function, $message, $version ) );
+ }
+ }
+}
+
+/**
+ * Is the server running earlier than 1.5.0 version of lighttpd?
+ *
+ * @since 2.5.0
+ *
+ * @return bool Whether the server is running lighttpd < 1.5.0
+ */
+function is_lighttpd_before_150() {
+ $server_parts = explode( '/', isset( $_SERVER['SERVER_SOFTWARE'] )? $_SERVER['SERVER_SOFTWARE'] : '' );
+ $server_parts[1] = isset( $server_parts[1] )? $server_parts[1] : '';
+ return 'lighttpd' == $server_parts[0] && -1 == version_compare( $server_parts[1], '1.5.0' );
+}
+
+/**
+ * Does the specified module exist in the Apache config?
+ *
+ * @since 2.5.0
+ *
+ * @param string $mod e.g. mod_rewrite
+ * @param bool $default The default return value if the module is not found
+ * @return bool
+ */
+function apache_mod_loaded($mod, $default = false) {
+ global $is_apache;
+
+ if ( !$is_apache )
+ return false;
+
+ if ( function_exists('apache_get_modules') ) {
+ $mods = apache_get_modules();
+ if ( in_array($mod, $mods) )
+ return true;
+ } elseif ( function_exists('phpinfo') ) {
+ ob_start();
+ phpinfo(8);
+ $phpinfo = ob_get_clean();
+ if ( false !== strpos($phpinfo, $mod) )
+ return true;
+ }
+ return $default;
+}
+
+/**
+ * Check if IIS 7+ supports pretty permalinks.
+ *
+ * @since 2.8.0
+ *
+ * @return bool
+ */
+function iis7_supports_permalinks() {
+ global $is_iis7;
+
+ $supports_permalinks = false;
+ if ( $is_iis7 ) {
+ /* First we check if the DOMDocument class exists. If it does not exist, then we cannot
+ * easily update the xml configuration file, hence we just bail out and tell user that
+ * pretty permalinks cannot be used.
+ *
+ * Next we check if the URL Rewrite Module 1.1 is loaded and enabled for the web site. When
+ * URL Rewrite 1.1 is loaded it always sets a server variable called 'IIS_UrlRewriteModule'.
+ * Lastly we make sure that PHP is running via FastCGI. This is important because if it runs
+ * via ISAPI then pretty permalinks will not work.
+ */
+ $supports_permalinks = class_exists('DOMDocument') && isset($_SERVER['IIS_UrlRewriteModule']) && ( php_sapi_name() == 'cgi-fcgi' );
+ }
+
+ return apply_filters('iis7_supports_permalinks', $supports_permalinks);
+}
+
+/**
+ * File validates against allowed set of defined rules.
+ *
+ * A return value of '1' means that the $file contains either '..' or './'. A
+ * return value of '2' means that the $file contains ':' after the first
+ * character. A return value of '3' means that the file is not in the allowed
+ * files list.
+ *
+ * @since 1.2.0
+ *
+ * @param string $file File path.
+ * @param array $allowed_files List of allowed files.
+ * @return int 0 means nothing is wrong, greater than 0 means something was wrong.
+ */
+function validate_file( $file, $allowed_files = '' ) {
+ if ( false !== strpos( $file, '..' ) )
+ return 1;
+
+ if ( false !== strpos( $file, './' ) )
+ return 1;
+
+ if ( ! empty( $allowed_files ) && ! in_array( $file, $allowed_files ) )
+ return 3;
+
+ if (':' == substr( $file, 1, 1 ) )
+ return 2;
+
+ return 0;
+}
+
+/**
+ * Determine if SSL is used.
+ *
+ * @since 2.6.0
+ *
+ * @return bool True if SSL, false if not used.
+ */
+function is_ssl() {
+ if ( isset($_SERVER['HTTPS']) ) {
+ if ( 'on' == strtolower($_SERVER['HTTPS']) )
+ return true;
+ if ( '1' == $_SERVER['HTTPS'] )
+ return true;
+ } elseif ( isset($_SERVER['SERVER_PORT']) && ( '443' == $_SERVER['SERVER_PORT'] ) ) {
+ return true;
+ }
+ return false;
+}
+
+/**
+ * Whether SSL login should be forced.
+ *
+ * @since 2.6.0
+ *
+ * @param string|bool $force Optional.
+ * @return bool True if forced, false if not forced.
+ */
+function force_ssl_login( $force = null ) {
+ static $forced = false;
+
+ if ( !is_null( $force ) ) {
+ $old_forced = $forced;
+ $forced = $force;
+ return $old_forced;
+ }
+
+ return $forced;
+}
+
+/**
+ * Whether to force SSL used for the Administration Screens.
+ *
+ * @since 2.6.0
+ *
+ * @param string|bool $force
+ * @return bool True if forced, false if not forced.
+ */
+function force_ssl_admin( $force = null ) {
+ static $forced = false;
+
+ if ( !is_null( $force ) ) {
+ $old_forced = $forced;
+ $forced = $force;
+ return $old_forced;
+ }
+
+ return $forced;
+}
+
+/**
+ * Guess the URL for the site.
+ *
+ * Will remove wp-admin links to retrieve only return URLs not in the wp-admin
+ * directory.
+ *
+ * @since 2.6.0
+ *
+ * @return string
+ */
+function wp_guess_url() {
+ if ( defined('WP_SITEURL') && '' != WP_SITEURL ) {
+ $url = WP_SITEURL;
+ } else {
+ $abspath_fix = str_replace( '\\', '/', ABSPATH );
+ $script_filename_dir = dirname( $_SERVER['SCRIPT_FILENAME'] );
+
+ // The request is for the admin
+ if ( strpos( $_SERVER['REQUEST_URI'], 'wp-admin' ) !== false || strpos( $_SERVER['REQUEST_URI'], 'wp-login.php' ) !== false ) {
+ $path = preg_replace( '#/(wp-admin/.*|wp-login.php)#i', '', $_SERVER['REQUEST_URI'] );
+
+ // The request is for a file in ABSPATH
+ } elseif ( $script_filename_dir . '/' == $abspath_fix ) {
+ // Strip off any file/query params in the path
+ $path = preg_replace( '#/[^/]*$#i', '', $_SERVER['PHP_SELF'] );
+
+ } else {
+ if ( false !== strpos( $_SERVER['SCRIPT_FILENAME'], $abspath_fix ) ) {
+ // Request is hitting a file inside ABSPATH
+ $directory = str_replace( ABSPATH, '', $script_filename_dir );
+ // Strip off the sub directory, and any file/query paramss
+ $path = preg_replace( '#/' . preg_quote( $directory, '#' ) . '/[^/]*$#i', '' , $_SERVER['REQUEST_URI'] );
+ } elseif ( false !== strpos( $abspath_fix, $script_filename_dir ) ) {
+ // Request is hitting a file above ABSPATH
+ $subdirectory = substr( $abspath_fix, strpos( $abspath_fix, $script_filename_dir ) + strlen( $script_filename_dir ) );
+ // Strip off any file/query params from the path, appending the sub directory to the install
+ $path = preg_replace( '#/[^/]*$#i', '' , $_SERVER['REQUEST_URI'] ) . $subdirectory;
+ } else {
+ $path = $_SERVER['REQUEST_URI'];
+ }
+ }
+
+ $schema = is_ssl() ? 'https://' : 'http://'; // set_url_scheme() is not defined yet
+ $url = $schema . $_SERVER['HTTP_HOST'] . $path;
+ }
+
+ return rtrim($url, '/');
+}
+
+/**
+ * Temporarily suspend cache additions.
+ *
+ * Stops more data being added to the cache, but still allows cache retrieval.
+ * This is useful for actions, such as imports, when a lot of data would otherwise
+ * be almost uselessly added to the cache.
+ *
+ * Suspension lasts for a single page load at most. Remember to call this
+ * function again if you wish to re-enable cache adds earlier.
+ *
+ * @since 3.3.0
+ *
+ * @param bool $suspend Optional. Suspends additions if true, re-enables them if false.
+ * @return bool The current suspend setting
+ */
+function wp_suspend_cache_addition( $suspend = null ) {
+ static $_suspend = false;
+
+ if ( is_bool( $suspend ) )
+ $_suspend = $suspend;
+
+ return $_suspend;
+}
+
+/**
+ * Suspend cache invalidation.
+ *
+ * Turns cache invalidation on and off. Useful during imports where you don't wont to do invalidations
+ * every time a post is inserted. Callers must be sure that what they are doing won't lead to an inconsistent
+ * cache when invalidation is suspended.
+ *
+ * @since 2.7.0
+ *
+ * @param bool $suspend Whether to suspend or enable cache invalidation
+ * @return bool The current suspend setting
+ */
+function wp_suspend_cache_invalidation($suspend = true) {
+ global $_wp_suspend_cache_invalidation;
+
+ $current_suspend = $_wp_suspend_cache_invalidation;
+ $_wp_suspend_cache_invalidation = $suspend;
+ return $current_suspend;
+}
+
+/**
+ * Whether a site is the main site of the current network.
+ *
+ * @since 3.0.0
+ *
+ * @param int $site_id Optional. Site ID to test. Defaults to current site.
+ * @return bool True if $site_id is the main site of the network, or if not running multisite.
+ */
+function is_main_site( $site_id = null ) {
+ // This is the current network's information; 'site' is old terminology.
+ global $current_site;
+
+ if ( ! is_multisite() )
+ return true;
+
+ if ( ! $site_id )
+ $site_id = get_current_blog_id();
+
+ return (int) $site_id === (int) $current_site->blog_id;
+}
+
+/**
+ * Whether a network is the main network of the multisite install.
+ *
+ * @since 3.7.0
+ *
+ * @param int $network_id Optional. Network ID to test. Defaults to current network.
+ * @return bool True if $network_id is the main network, or if not running multisite.
+ */
+function is_main_network( $network_id = null ) {
+ global $wpdb;
+
+ if ( ! is_multisite() )
+ return true;
+
+ $current_network_id = (int) get_current_site()->id;
+
+ if ( ! $network_id )
+ $network_id = $current_network_id;
+ $network_id = (int) $network_id;
+
+ if ( defined( 'PRIMARY_NETWORK_ID' ) )
+ return $network_id === (int) PRIMARY_NETWORK_ID;
+
+ if ( 1 === $current_network_id )
+ return $network_id === $current_network_id;
+
+ $primary_network_id = (int) wp_cache_get( 'primary_network_id', 'site-options' );
+
+ if ( $primary_network_id )
+ return $network_id === $primary_network_id;
+
+ $primary_network_id = (int) $wpdb->get_var( "SELECT id FROM $wpdb->site ORDER BY id LIMIT 1" );
+ wp_cache_add( 'primary_network_id', $primary_network_id, 'site-options' );
+
+ return $network_id === $primary_network_id;
+}
+
+/**
+ * Whether global terms are enabled.
+ *
+ *
+ * @since 3.0.0
+ * @package WordPress
+ *
+ * @return bool True if multisite and global terms enabled
+ */
+function global_terms_enabled() {
+ if ( ! is_multisite() )
+ return false;
+
+ static $global_terms = null;
+ if ( is_null( $global_terms ) ) {
+ $filter = apply_filters( 'global_terms_enabled', null );
+ if ( ! is_null( $filter ) )
+ $global_terms = (bool) $filter;
+ else
+ $global_terms = (bool) get_site_option( 'global_terms_enabled', false );
+ }
+ return $global_terms;
+}
+
+/**
+ * gmt_offset modification for smart timezone handling.
+ *
+ * Overrides the gmt_offset option if we have a timezone_string available.
+ *
+ * @since 2.8.0
+ *
+ * @return float|bool
+ */
+function wp_timezone_override_offset() {
+ if ( !$timezone_string = get_option( 'timezone_string' ) ) {
+ return false;
+ }
+
+ $timezone_object = timezone_open( $timezone_string );
+ $datetime_object = date_create();
+ if ( false === $timezone_object || false === $datetime_object ) {
+ return false;
+ }
+ return round( timezone_offset_get( $timezone_object, $datetime_object ) / HOUR_IN_SECONDS, 2 );
+}
+
+/**
+ * Sort-helper for timezones.
+ *
+ * @since 2.9.0
+ *
+ * @param array $a
+ * @param array $b
+ * @return int
+ */
+function _wp_timezone_choice_usort_callback( $a, $b ) {
+ // Don't use translated versions of Etc
+ if ( 'Etc' === $a['continent'] && 'Etc' === $b['continent'] ) {
+ // Make the order of these more like the old dropdown
+ if ( 'GMT+' === substr( $a['city'], 0, 4 ) && 'GMT+' === substr( $b['city'], 0, 4 ) ) {
+ return -1 * ( strnatcasecmp( $a['city'], $b['city'] ) );
+ }
+ if ( 'UTC' === $a['city'] ) {
+ if ( 'GMT+' === substr( $b['city'], 0, 4 ) ) {
+ return 1;
+ }
+ return -1;
+ }
+ if ( 'UTC' === $b['city'] ) {
+ if ( 'GMT+' === substr( $a['city'], 0, 4 ) ) {
+ return -1;
+ }
+ return 1;
+ }
+ return strnatcasecmp( $a['city'], $b['city'] );
+ }
+ if ( $a['t_continent'] == $b['t_continent'] ) {
+ if ( $a['t_city'] == $b['t_city'] ) {
+ return strnatcasecmp( $a['t_subcity'], $b['t_subcity'] );
+ }
+ return strnatcasecmp( $a['t_city'], $b['t_city'] );
+ } else {
+ // Force Etc to the bottom of the list
+ if ( 'Etc' === $a['continent'] ) {
+ return 1;
+ }
+ if ( 'Etc' === $b['continent'] ) {
+ return -1;
+ }
+ return strnatcasecmp( $a['t_continent'], $b['t_continent'] );
+ }
+}
+
+/**
+ * Gives a nicely formatted list of timezone strings.
+ *
+ * @since 2.9.0
+ *
+ * @param string $selected_zone Selected Zone
+ * @return string
+ */
+function wp_timezone_choice( $selected_zone ) {
+ static $mo_loaded = false;
+
+ $continents = array( 'Africa', 'America', 'Antarctica', 'Arctic', 'Asia', 'Atlantic', 'Australia', 'Europe', 'Indian', 'Pacific');
+
+ // Load translations for continents and cities
+ if ( !$mo_loaded ) {
+ $locale = get_locale();
+ $mofile = WP_LANG_DIR . '/continents-cities-' . $locale . '.mo';
+ load_textdomain( 'continents-cities', $mofile );
+ $mo_loaded = true;
+ }
+
+ $zonen = array();
+ foreach ( timezone_identifiers_list() as $zone ) {
+ $zone = explode( '/', $zone );
+ if ( !in_array( $zone[0], $continents ) ) {
+ continue;
+ }
+
+ // This determines what gets set and translated - we don't translate Etc/* strings here, they are done later
+ $exists = array(
+ 0 => ( isset( $zone[0] ) && $zone[0] ),
+ 1 => ( isset( $zone[1] ) && $zone[1] ),
+ 2 => ( isset( $zone[2] ) && $zone[2] ),
+ );
+ $exists[3] = ( $exists[0] && 'Etc' !== $zone[0] );
+ $exists[4] = ( $exists[1] && $exists[3] );
+ $exists[5] = ( $exists[2] && $exists[3] );
+
+ $zonen[] = array(
+ 'continent' => ( $exists[0] ? $zone[0] : '' ),
+ 'city' => ( $exists[1] ? $zone[1] : '' ),
+ 'subcity' => ( $exists[2] ? $zone[2] : '' ),
+ 't_continent' => ( $exists[3] ? translate( str_replace( '_', ' ', $zone[0] ), 'continents-cities' ) : '' ),
+ 't_city' => ( $exists[4] ? translate( str_replace( '_', ' ', $zone[1] ), 'continents-cities' ) : '' ),
+ 't_subcity' => ( $exists[5] ? translate( str_replace( '_', ' ', $zone[2] ), 'continents-cities' ) : '' )
+ );
+ }
+ usort( $zonen, '_wp_timezone_choice_usort_callback' );
+
+ $structure = array();
+
+ if ( empty( $selected_zone ) ) {
+ $structure[] = '<option selected="selected" value="">' . __( 'Select a city' ) . '</option>';
+ }
+
+ foreach ( $zonen as $key => $zone ) {
+ // Build value in an array to join later
+ $value = array( $zone['continent'] );
+
+ if ( empty( $zone['city'] ) ) {
+ // It's at the continent level (generally won't happen)
+ $display = $zone['t_continent'];
+ } else {
+ // It's inside a continent group
+
+ // Continent optgroup
+ if ( !isset( $zonen[$key - 1] ) || $zonen[$key - 1]['continent'] !== $zone['continent'] ) {
+ $label = $zone['t_continent'];
+ $structure[] = '<optgroup label="'. esc_attr( $label ) .'">';
+ }
+
+ // Add the city to the value
+ $value[] = $zone['city'];
+
+ $display = $zone['t_city'];
+ if ( !empty( $zone['subcity'] ) ) {
+ // Add the subcity to the value
+ $value[] = $zone['subcity'];
+ $display .= ' - ' . $zone['t_subcity'];
+ }
+ }
+
+ // Build the value
+ $value = join( '/', $value );
+ $selected = '';
+ if ( $value === $selected_zone ) {
+ $selected = 'selected="selected" ';
+ }
+ $structure[] = '<option ' . $selected . 'value="' . esc_attr( $value ) . '">' . esc_html( $display ) . "</option>";
+
+ // Close continent optgroup
+ if ( !empty( $zone['city'] ) && ( !isset($zonen[$key + 1]) || (isset( $zonen[$key + 1] ) && $zonen[$key + 1]['continent'] !== $zone['continent']) ) ) {
+ $structure[] = '</optgroup>';
+ }
+ }
+
+ // Do UTC
+ $structure[] = '<optgroup label="'. esc_attr__( 'UTC' ) .'">';
+ $selected = '';
+ if ( 'UTC' === $selected_zone )
+ $selected = 'selected="selected" ';
+ $structure[] = '<option ' . $selected . 'value="' . esc_attr( 'UTC' ) . '">' . __('UTC') . '</option>';
+ $structure[] = '</optgroup>';
+
+ // Do manual UTC offsets
+ $structure[] = '<optgroup label="'. esc_attr__( 'Manual Offsets' ) .'">';
+ $offset_range = array (-12, -11.5, -11, -10.5, -10, -9.5, -9, -8.5, -8, -7.5, -7, -6.5, -6, -5.5, -5, -4.5, -4, -3.5, -3, -2.5, -2, -1.5, -1, -0.5,
+ 0, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 5.75, 6, 6.5, 7, 7.5, 8, 8.5, 8.75, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.75, 13, 13.75, 14);
+ foreach ( $offset_range as $offset ) {
+ if ( 0 <= $offset )
+ $offset_name = '+' . $offset;
+ else
+ $offset_name = (string) $offset;
+
+ $offset_value = $offset_name;
+ $offset_name = str_replace(array('.25','.5','.75'), array(':15',':30',':45'), $offset_name);
+ $offset_name = 'UTC' . $offset_name;
+ $offset_value = 'UTC' . $offset_value;
+ $selected = '';
+ if ( $offset_value === $selected_zone )
+ $selected = 'selected="selected" ';
+ $structure[] = '<option ' . $selected . 'value="' . esc_attr( $offset_value ) . '">' . esc_html( $offset_name ) . "</option>";
+
+ }
+ $structure[] = '</optgroup>';
+
+ return join( "\n", $structure );
+}
+
+/**
+ * Strip close comment and close php tags from file headers used by WP.
+ * See http://core.trac.wordpress.org/ticket/8497
+ *
+ * @since 2.8.0
+ *
+ * @param string $str
+ * @return string
+ */
+function _cleanup_header_comment($str) {
+ return trim(preg_replace("/\s*(?:\*\/|\?>).*/", '', $str));
+}
+
+/**
+ * Permanently deletes posts, pages, attachments, and comments which have been in the trash for EMPTY_TRASH_DAYS.
+ *
+ * @since 2.9.0
+ */
+function wp_scheduled_delete() {
+ global $wpdb;
+
+ $delete_timestamp = time() - ( DAY_IN_SECONDS * EMPTY_TRASH_DAYS );
+
+ $posts_to_delete = $wpdb->get_results($wpdb->prepare("SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wp_trash_meta_time' AND meta_value < '%d'", $delete_timestamp), ARRAY_A);
+
+ foreach ( (array) $posts_to_delete as $post ) {
+ $post_id = (int) $post['post_id'];
+ if ( !$post_id )
+ continue;
+
+ $del_post = get_post($post_id);
+
+ if ( !$del_post || 'trash' != $del_post->post_status ) {
+ delete_post_meta($post_id, '_wp_trash_meta_status');
+ delete_post_meta($post_id, '_wp_trash_meta_time');
+ } else {
+ wp_delete_post($post_id);
+ }
+ }
+
+ $comments_to_delete = $wpdb->get_results($wpdb->prepare("SELECT comment_id FROM $wpdb->commentmeta WHERE meta_key = '_wp_trash_meta_time' AND meta_value < '%d'", $delete_timestamp), ARRAY_A);
+
+ foreach ( (array) $comments_to_delete as $comment ) {
+ $comment_id = (int) $comment['comment_id'];
+ if ( !$comment_id )
+ continue;
+
+ $del_comment = get_comment($comment_id);
+
+ if ( !$del_comment || 'trash' != $del_comment->comment_approved ) {
+ delete_comment_meta($comment_id, '_wp_trash_meta_time');
+ delete_comment_meta($comment_id, '_wp_trash_meta_status');
+ } else {
+ wp_delete_comment($comment_id);
+ }
+ }
+}
+
+/**
+ * Retrieve metadata from a file.
+ *
+ * Searches for metadata in the first 8kiB of a file, such as a plugin or theme.
+ * Each piece of metadata must be on its own line. Fields can not span multiple
+ * lines, the value will get cut at the end of the first line.
+ *
+ * If the file data is not within that first 8kiB, then the author should correct
+ * their plugin file and move the data headers to the top.
+ *
+ * @see http://codex.wordpress.org/File_Header
+ *
+ * @since 2.9.0
+ * @param string $file Path to the file
+ * @param array $default_headers List of headers, in the format array('HeaderKey' => 'Header Name')
+ * @param string $context If specified adds filter hook "extra_{$context}_headers"
+ */
+function get_file_data( $file, $default_headers, $context = '' ) {
+ // We don't need to write to the file, so just open for reading.
+ $fp = fopen( $file, 'r' );
+
+ // Pull only the first 8kiB of the file in.
+ $file_data = fread( $fp, 8192 );
+
+ // PHP will close file handle, but we are good citizens.
+ fclose( $fp );
+
+ // Make sure we catch CR-only line endings.
+ $file_data = str_replace( "\r", "\n", $file_data );
+
+ if ( $context && $extra_headers = apply_filters( "extra_{$context}_headers", array() ) ) {
+ $extra_headers = array_combine( $extra_headers, $extra_headers ); // keys equal values
+ $all_headers = array_merge( $extra_headers, (array) $default_headers );
+ } else {
+ $all_headers = $default_headers;
+ }
+
+ foreach ( $all_headers as $field => $regex ) {
+ if ( preg_match( '/^[ \t\/*#@]*' . preg_quote( $regex, '/' ) . ':(.*)$/mi', $file_data, $match ) && $match[1] )
+ $all_headers[ $field ] = _cleanup_header_comment( $match[1] );
+ else
+ $all_headers[ $field ] = '';
+ }
+
+ return $all_headers;
+}
+
+/**
+ * Returns true.
+ *
+ * Useful for returning true to filters easily.
+ *
+ * @since 3.0.0
+ * @see __return_false()
+ * @return bool true
+ */
+function __return_true() {
+ return true;
+}
+
+/**
+ * Returns false.
+ *
+ * Useful for returning false to filters easily.
+ *
+ * @since 3.0.0
+ * @see __return_true()
+ * @return bool false
+ */
+function __return_false() {
+ return false;
+}
+
+/**
+ * Returns 0.
+ *
+ * Useful for returning 0 to filters easily.
+ *
+ * @since 3.0.0
+ * @return int 0
+ */
+function __return_zero() {
+ return 0;
+}
+
+/**
+ * Returns an empty array.
+ *
+ * Useful for returning an empty array to filters easily.
+ *
+ * @since 3.0.0
+ * @return array Empty array
+ */
+function __return_empty_array() {
+ return array();
+}
+
+/**
+ * Returns null.
+ *
+ * Useful for returning null to filters easily.
+ *
+ * @since 3.4.0
+ * @return null
+ */
+function __return_null() {
+ return null;
+}
+
+/**
+ * Returns an empty string.
+ *
+ * Useful for returning an empty string to filters easily.
+ *
+ * @since 3.7.0
+ * @see __return_null()
+ * @return string Empty string
+ */
+function __return_empty_string() {
+ return '';
+}
+
+/**
+ * Send a HTTP header to disable content type sniffing in browsers which support it.
+ *
+ * @link http://blogs.msdn.com/ie/archive/2008/07/02/ie8-security-part-v-comprehensive-protection.aspx
+ * @link http://src.chromium.org/viewvc/chrome?view=rev&revision=6985
+ *
+ * @since 3.0.0
+ * @return none
+ */
+function send_nosniff_header() {
+ @header( 'X-Content-Type-Options: nosniff' );
+}
+
+/**
+ * Returns a MySQL expression for selecting the week number based on the start_of_week option.
+ *
+ * @internal
+ * @since 3.0.0
+ * @param string $column
+ * @return string
+ */
+function _wp_mysql_week( $column ) {
+ switch ( $start_of_week = (int) get_option( 'start_of_week' ) ) {
+ default :
+ case 0 :
+ return "WEEK( $column, 0 )";
+ case 1 :
+ return "WEEK( $column, 1 )";
+ case 2 :
+ case 3 :
+ case 4 :
+ case 5 :
+ case 6 :
+ return "WEEK( DATE_SUB( $column, INTERVAL $start_of_week DAY ), 0 )";
+ }
+}
+
+/**
+ * Finds hierarchy loops using a callback function that maps object IDs to parent IDs.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @param callback $callback function that accepts ( ID, $callback_args ) and outputs parent_ID
+ * @param int $start The ID to start the loop check at
+ * @param int $start_parent the parent_ID of $start to use instead of calling $callback( $start ). Use null to always use $callback
+ * @param array $callback_args optional additional arguments to send to $callback
+ * @return array IDs of all members of loop
+ */
+function wp_find_hierarchy_loop( $callback, $start, $start_parent, $callback_args = array() ) {
+ $override = is_null( $start_parent ) ? array() : array( $start => $start_parent );
+
+ if ( !$arbitrary_loop_member = wp_find_hierarchy_loop_tortoise_hare( $callback, $start, $override, $callback_args ) )
+ return array();
+
+ return wp_find_hierarchy_loop_tortoise_hare( $callback, $arbitrary_loop_member, $override, $callback_args, true );
+}
+
+/**
+ * Uses the "The Tortoise and the Hare" algorithm to detect loops.
+ *
+ * For every step of the algorithm, the hare takes two steps and the tortoise one.
+ * If the hare ever laps the tortoise, there must be a loop.
+ *
+ * @since 3.1.0
+ * @access private
+ *
+ * @param callback $callback function that accepts ( ID, callback_arg, ... ) and outputs parent_ID
+ * @param int $start The ID to start the loop check at
+ * @param array $override an array of ( ID => parent_ID, ... ) to use instead of $callback
+ * @param array $callback_args optional additional arguments to send to $callback
+ * @param bool $_return_loop Return loop members or just detect presence of loop?
+ * Only set to true if you already know the given $start is part of a loop
+ * (otherwise the returned array might include branches)
+ * @return mixed scalar ID of some arbitrary member of the loop, or array of IDs of all members of loop if $_return_loop
+ */
+function wp_find_hierarchy_loop_tortoise_hare( $callback, $start, $override = array(), $callback_args = array(), $_return_loop = false ) {
+ $tortoise = $hare = $evanescent_hare = $start;
+ $return = array();
+
+ // Set evanescent_hare to one past hare
+ // Increment hare two steps
+ while (
+ $tortoise
+ &&
+ ( $evanescent_hare = isset( $override[$hare] ) ? $override[$hare] : call_user_func_array( $callback, array_merge( array( $hare ), $callback_args ) ) )
+ &&
+ ( $hare = isset( $override[$evanescent_hare] ) ? $override[$evanescent_hare] : call_user_func_array( $callback, array_merge( array( $evanescent_hare ), $callback_args ) ) )
+ ) {
+ if ( $_return_loop )
+ $return[$tortoise] = $return[$evanescent_hare] = $return[$hare] = true;
+
+ // tortoise got lapped - must be a loop
+ if ( $tortoise == $evanescent_hare || $tortoise == $hare )
+ return $_return_loop ? $return : $tortoise;
+
+ // Increment tortoise by one step
+ $tortoise = isset( $override[$tortoise] ) ? $override[$tortoise] : call_user_func_array( $callback, array_merge( array( $tortoise ), $callback_args ) );
+ }
+
+ return false;
+}
+
+/**
+ * Send a HTTP header to limit rendering of pages to same origin iframes.
+ *
+ * @link https://developer.mozilla.org/en/the_x-frame-options_response_header
+ *
+ * @since 3.1.3
+ * @return none
+ */
+function send_frame_options_header() {
+ @header( 'X-Frame-Options: SAMEORIGIN' );
+}
+
+/**
+ * Retrieve a list of protocols to allow in HTML attributes.
+ *
+ * @since 3.3.0
+ * @see wp_kses()
+ * @see esc_url()
+ *
+ * @return array Array of allowed protocols
+ */
+function wp_allowed_protocols() {
+ static $protocols;
+
+ if ( empty( $protocols ) ) {
+ $protocols = array( 'http', 'https', 'ftp', 'ftps', 'mailto', 'news', 'irc', 'gopher', 'nntp', 'feed', 'telnet', 'mms', 'rtsp', 'svn', 'tel', 'fax', 'xmpp' );
+ $protocols = apply_filters( 'kses_allowed_protocols', $protocols );
+ }
+
+ return $protocols;
+}
+
+/**
+ * Return a comma separated string of functions that have been called to get to the current point in code.
+ *
+ * @link http://core.trac.wordpress.org/ticket/19589
+ * @since 3.4.0
+ *
+ * @param string $ignore_class A class to ignore all function calls within - useful when you want to just give info about the callee
+ * @param int $skip_frames A number of stack frames to skip - useful for unwinding back to the source of the issue
+ * @param bool $pretty Whether or not you want a comma separated string or raw array returned
+ * @return string|array Either a string containing a reversed comma separated trace or an array of individual calls.
+ */
+function wp_debug_backtrace_summary( $ignore_class = null, $skip_frames = 0, $pretty = true ) {
+ if ( version_compare( PHP_VERSION, '5.2.5', '>=' ) )
+ $trace = debug_backtrace( false );
+ else
+ $trace = debug_backtrace();
+
+ $caller = array();
+ $check_class = ! is_null( $ignore_class );
+ $skip_frames++; // skip this function
+
+ foreach ( $trace as $call ) {
+ if ( $skip_frames > 0 ) {
+ $skip_frames--;
+ } elseif ( isset( $call['class'] ) ) {
+ if ( $check_class && $ignore_class == $call['class'] )
+ continue; // Filter out calls
+
+ $caller[] = "{$call['class']}{$call['type']}{$call['function']}";
+ } else {
+ if ( in_array( $call['function'], array( 'do_action', 'apply_filters' ) ) ) {
+ $caller[] = "{$call['function']}('{$call['args'][0]}')";
+ } elseif ( in_array( $call['function'], array( 'include', 'include_once', 'require', 'require_once' ) ) ) {
+ $caller[] = $call['function'] . "('" . str_replace( array( WP_CONTENT_DIR, ABSPATH ) , '', $call['args'][0] ) . "')";
+ } else {
+ $caller[] = $call['function'];
+ }
+ }
+ }
+ if ( $pretty )
+ return join( ', ', array_reverse( $caller ) );
+ else
+ return $caller;
+}
+
+/**
+ * Retrieve ids that are not already present in the cache
+ *
+ * @since 3.4.0
+ *
+ * @param array $object_ids ID list
+ * @param string $cache_key The cache bucket to check against
+ *
+ * @return array
+ */
+function _get_non_cached_ids( $object_ids, $cache_key ) {
+ $clean = array();
+ foreach ( $object_ids as $id ) {
+ $id = (int) $id;
+ if ( !wp_cache_get( $id, $cache_key ) ) {
+ $clean[] = $id;
+ }
+ }
+
+ return $clean;
+}
+
+/**
+ * Test if the current device has the capability to upload files.
+ *
+ * @since 3.4.0
+ * @access private
+ *
+ * @return bool true|false
+ */
+function _device_can_upload() {
+ if ( ! wp_is_mobile() )
+ return true;
+
+ $ua = $_SERVER['HTTP_USER_AGENT'];
+
+ if ( strpos($ua, 'iPhone') !== false
+ || strpos($ua, 'iPad') !== false
+ || strpos($ua, 'iPod') !== false ) {
+ return preg_match( '#OS ([\d_]+) like Mac OS X#', $ua, $version ) && version_compare( $version[1], '6', '>=' );
+ }
+
+ return true;
+}
+
+/**
+ * Test if a given path is a stream URL
+ *
+ * @param string $path The resource path or URL
+ * @return bool True if the path is a stream URL
+ */
+function wp_is_stream( $path ) {
+ $wrappers = stream_get_wrappers();
+ $wrappers_re = '(' . join('|', $wrappers) . ')';
+
+ return preg_match( "!^$wrappers_re://!", $path ) === 1;
+}
+
+/**
+ * Test if the supplied date is valid for the Gregorian calendar
+ *
+ * @since 3.5.0
+ *
+ * @return bool true|false
+ */
+function wp_checkdate( $month, $day, $year, $source_date ) {
+ return apply_filters( 'wp_checkdate', checkdate( $month, $day, $year ), $source_date );
+}
+
+/**
+ * Load the auth check for monitoring whether the user is still logged in.
+ *
+ * Can be disabled with remove_action( 'admin_enqueue_scripts', 'wp_auth_check_load' );
+ *
+ * This is disabled for certain screens where a login screen could cause an
+ * inconvenient interruption. A filter called wp_auth_check_load can be used
+ * for fine-grained control.
+ *
+ * @since 3.6.0
+ */
+function wp_auth_check_load() {
+ if ( ! is_admin() && ! is_user_logged_in() )
+ return;
+
+ if ( defined( 'IFRAME_REQUEST' ) )
+ return;
+
+ $screen = get_current_screen();
+ $hidden = array( 'update', 'update-network', 'update-core', 'update-core-network', 'upgrade', 'upgrade-network', 'network' );
+ $show = ! in_array( $screen->id, $hidden );
+
+ if ( apply_filters( 'wp_auth_check_load', $show, $screen ) ) {
+ wp_enqueue_style( 'wp-auth-check' );
+ wp_enqueue_script( 'wp-auth-check' );
+
+ add_action( 'admin_print_footer_scripts', 'wp_auth_check_html', 5 );
+ add_action( 'wp_print_footer_scripts', 'wp_auth_check_html', 5 );
+ }
+}
+
+/**
+ * Output the HTML that shows the wp-login dialog when the user is no longer logged in.
+ *
+ * @since 3.6.0
+ */
+function wp_auth_check_html() {
+ $login_url = wp_login_url();
+ $current_domain = ( is_ssl() ? 'https://' : 'http://' ) . $_SERVER['HTTP_HOST'];
+ $same_domain = ( strpos( $login_url, $current_domain ) === 0 );
+
+ if ( $same_domain && force_ssl_login() && ! force_ssl_admin() )
+ $same_domain = false;
+
+ // Let plugins change this if they know better.
+ $same_domain = apply_filters( 'wp_auth_check_same_domain', $same_domain );
+ $wrap_class = $same_domain ? 'hidden' : 'hidden fallback';
+
+ ?>
+ <div id="wp-auth-check-wrap" class="<?php echo $wrap_class; ?>">
+ <div id="wp-auth-check-bg"></div>
+ <div id="wp-auth-check">
+ <div class="wp-auth-check-close" tabindex="0" title="<?php esc_attr_e('Close'); ?>"></div>
+ <?php
+
+ if ( $same_domain ) {
+ ?>
+ <div id="wp-auth-check-form" data-src="<?php echo esc_url( add_query_arg( array( 'interim-login' => 1 ), $login_url ) ); ?>"></div>
+ <?php
+ }
+
+ ?>
+ <div class="wp-auth-fallback">
+ <p><b class="wp-auth-fallback-expired" tabindex="0"><?php _e('Session expired'); ?></b></p>
+ <p><a href="<?php echo esc_url( $login_url ); ?>" target="_blank"><?php _e('Please log in again.'); ?></a>
+ <?php _e('The login page will open in a new window. After logging in you can close it and return to this page.'); ?></p>
+ </div>
+ </div>
+ </div>
+ <?php
+}
+
+/**
+ * Check whether a user is still logged in, for the heartbeat.
+ *
+ * Send a result that shows a log-in box if the user is no longer logged in,
+ * or if their cookie is within the grace period.
+ *
+ * @since 3.6.0
+ */
+function wp_auth_check( $response, $data ) {
+ $response['wp-auth-check'] = is_user_logged_in() && empty( $GLOBALS['login_grace_period'] );
+ return $response;
+}
+
+/**
+ * Return RegEx body to liberally match an opening HTML tag that:
+ * 1. Is self-closing or
+ * 2. Has no body but has a closing tag of the same name or
+ * 3. Contains a body and a closing tag of the same name
+ *
+ * Note: this RegEx does not balance inner tags and does not attempt to produce valid HTML
+ *
+ * @since 3.6.0
+ *
+ * @param string $tag An HTML tag name. Example: 'video'
+ * @return string
+ */
+function get_tag_regex( $tag ) {
+ if ( empty( $tag ) )
+ return;
+ return sprintf( '<%1$s[^<]*(?:>[\s\S]*<\/%1$s>|\s*\/>)', tag_escape( $tag ) );
+}
+
+/**
+ * Return a canonical form of the provided charset appropriate for passing to PHP
+ * functions such as htmlspecialchars() and charset html attributes.
+ *
+ * @link http://core.trac.wordpress.org/ticket/23688
+ * @since 3.6.0
+ *
+ * @param string A charset name
+ * @return string The canonical form of the charset
+ */
+function _canonical_charset( $charset ) {
+ if ( 'UTF-8' === $charset || 'utf-8' === $charset || 'utf8' === $charset ||
+ 'UTF8' === $charset )
+ return 'UTF-8';
+
+ if ( 'ISO-8859-1' === $charset || 'iso-8859-1' === $charset ||
+ 'iso8859-1' === $charset || 'ISO8859-1' === $charset )
+ return 'ISO-8859-1';
+
+ return $charset;
+}
+
+/**
+ * Sets the mbstring internal encoding to a binary safe encoding whne func_overload is enabled.
+ *
+ * When mbstring.func_overload is in use for multi-byte encodings, the results from strlen() and
+ * similar functions respect the utf8 characters, causing binary data to return incorrect lengths.
+ *
+ * This function overrides the mbstring encoding to a binary-safe encoding, and resets it to the
+ * users expected encoding afterwards through the `reset_mbstring_encoding` function.
+ *
+ * It is safe to recursively call this function, however each `mbstring_binary_safe_encoding()`
+ * call must be followed up with an equal number of `reset_mbstring_encoding()` calls.
+ *
+ * @see reset_mbstring_encoding()
+ *
+ * @since 3.7.0
+ *
+ * @param bool $reset Whether to reset the encoding back to a previously-set encoding.
+ */
+function mbstring_binary_safe_encoding( $reset = false ) {
+ static $encodings = array();
+ static $overloaded = null;
+
+ if ( is_null( $overloaded ) )
+ $overloaded = function_exists( 'mb_internal_encoding' ) && ( ini_get( 'mbstring.func_overload' ) & 2 );
+
+ if ( false === $overloaded )
+ return;
+
+ if ( ! $reset ) {
+ $encoding = mb_internal_encoding();
+ array_push( $encodings, $encoding );
+ mb_internal_encoding( 'ISO-8859-1' );
+ }
+
+ if ( $reset && $encodings ) {
+ $encoding = array_pop( $encodings );
+ mb_internal_encoding( $encoding );
+ }
+}
+
+/**
+ * Resets the mbstring internal encoding to a users previously set encoding.
+ *
+ * @see mbstring_binary_safe_encoding()
+ *
+ * @since 3.7.0
+ */
+function reset_mbstring_encoding() {
+ mbstring_binary_safe_encoding( true );
+}
scripts.mit.edu / autoinstalls / wordpress.git / blobdiff