X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/ff81ee6e8304a1982a3ec4f5b134764a29d502cf..256a3b381f63716209b3527d0a14442ae570c283:/wp-includes/functions.php diff --git a/wp-includes/functions.php b/wp-includes/functions.php index c6f6ea7a..05acf4e1 100644 --- a/wp-includes/functions.php +++ b/wp-includes/functions.php @@ -1,2290 +1,4193 @@ escape($_COOKIE[USER_COOKIE]); - return $wpdb->get_var("SELECT $field FROM $wpdb->users WHERE user_login = '$user'"); -} +/** + * 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 = $unixtimestamp; -function mysql2date($dateformatstring, $mysqlstring, $translate = true) { - global $month, $weekday, $month_abbrev, $weekday_abbrev; - $m = $mysqlstring; - if ( empty($m) ) { - return false; + 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; } - $i = mktime(substr($m,11,2),substr($m,14,2),substr($m,17,2),substr($m,5,2),substr($m,8,2),substr($m,0,4)); - - if ( -1 == $i || false == $i ) - $i = 0; - if ( !empty($month) && !empty($weekday) && $translate ) { - $datemonth = $month[date('m', $i)]; - $datemonth_abbrev = $month_abbrev[$datemonth]; - $dateweekday = $weekday[date('w', $i)]; - $dateweekday_abbrev = $weekday_abbrev[$dateweekday]; - $dateformatstring = ' '.$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); + // store original value for language with untypical grammars + // see http://core.trac.wordpress.org/ticket/9396 + $req_format = $dateformatstring; - $dateformatstring = substr($dateformatstring, 1, strlen($dateformatstring)-1); + $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 ); } - $j = @date($dateformatstring, $i); - if ( !$j ) { - // for debug purposes - // echo $i." ".$mysqlstring; + $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 ); + } + } + } } + $j = @$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 $j; } -function current_time($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_settings('gmt_offset') * 3600))); - return $d; - break; - case 'timestamp': - if ( $gmt ) $d = time(); - else $d = time() + (get_settings('gmt_offset') * 3600); - return $d; - break; - } +/** + * 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; + $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 ); +} + +/** + * 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( + // ========================= 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 ) . ' ' . $unit; + + return false; } -function date_i18n($dateformatstring, $unixtimestamp) { - global $month, $weekday, $month_abbrev, $weekday_abbrev; - $i = $unixtimestamp; - if ( (!empty($month)) && (!empty($weekday)) ) { - $datemonth = $month[date('m', $i)]; - $datemonth_abbrev = $month_abbrev[$datemonth]; - $dateweekday = $weekday[date('w', $i)]; - $dateweekday_abbrev = $weekday_abbrev[$dateweekday]; - $dateformatstring = ' '.$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); - $dateformatstring = substr($dateformatstring, 1, strlen($dateformatstring)-1); +/** + * 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' ); +} + +/** + * 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; +} + +/** + * 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 ) ) + return false; + $data = trim( $data ); + if ( 'N;' == $data ) + return true; + $length = strlen( $data ); + if ( $length < 4 ) + return false; + if ( ':' !== $data[1] ) + return false; + if ( $strict ) { + $lastc = $data[ $length - 1 ]; + if ( ';' !== $lastc && '}' !== $lastc ) + return false; + } else { + $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; } - $j = @date($dateformatstring, $i); - return $j; + $token = $data[0]; + switch ( $token ) { + case 's' : + if ( $strict ) { + if ( '"' !== $data[ $length - 2 ] ) + return false; + } elseif ( false === strpos( $data, '"' ) ) { + return false; + } + // or else fall through + case 'a' : + case 'O' : + return (bool) preg_match( "/^{$token}:[0-9]+:/s", $data ); + case 'b' : + case 'i' : + case 'd' : + $end = $strict ? '$' : ''; + return (bool) preg_match( "/^{$token}:[0-9.E-]+;$end/", $data ); } + return false; +} -function get_weekstartend($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_settings('start_of_week') ) - $weekday = 7 - (get_settings('start_of_week') - $weekday); - - while ($weekday > get_settings('start_of_week')) { - $weekday = date('w',$day); - if ( $weekday < get_settings('start_of_week') ) - $weekday = 7 - (get_settings('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 $week; -} - -function get_lastpostdate($timezone = 'server') { - global $cache_lastpostdate, $pagenow, $wpdb; - $add_seconds_blog = get_settings('gmt_offset') * 3600; - $add_seconds_server = date('Z'); - $now = current_time('mysql', 1); - if ( !isset($cache_lastpostdate[$timezone]) ) { - switch(strtolower($timezone)) { - case 'gmt': - $lastpostdate = $wpdb->get_var("SELECT post_date_gmt FROM $wpdb->posts WHERE post_date_gmt <= '$now' AND post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1"); - break; - case 'blog': - $lastpostdate = $wpdb->get_var("SELECT post_date FROM $wpdb->posts WHERE post_date_gmt <= '$now' AND post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1"); - break; - case 'server': - $lastpostdate = $wpdb->get_var("SELECT DATE_ADD(post_date_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->posts WHERE post_date_gmt <= '$now' AND post_status = 'publish' ORDER BY post_date_gmt DESC LIMIT 1"); - break; - } - $cache_lastpostdate[$timezone] = $lastpostdate; - } else { - $lastpostdate = $cache_lastpostdate[$timezone]; - } - return $lastpostdate; +/** + * 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; + $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; } -function get_lastpostmodified($timezone = 'server') { - global $cache_lastpostmodified, $pagenow, $wpdb; - $add_seconds_blog = get_settings('gmt_offset') * 3600; - $add_seconds_server = date('Z'); - $now = current_time('mysql', 1); - if ( !isset($cache_lastpostmodified[$timezone]) ) { - switch(strtolower($timezone)) { - case 'gmt': - $lastpostmodified = $wpdb->get_var("SELECT post_modified_gmt FROM $wpdb->posts WHERE post_modified_gmt <= '$now' AND post_status = 'publish' ORDER BY post_modified_gmt DESC LIMIT 1"); - break; - case 'blog': - $lastpostmodified = $wpdb->get_var("SELECT post_modified FROM $wpdb->posts WHERE post_modified_gmt <= '$now' AND post_status = 'publish' ORDER BY post_modified_gmt DESC LIMIT 1"); - break; - case 'server': - $lastpostmodified = $wpdb->get_var("SELECT DATE_ADD(post_modified_gmt, INTERVAL '$add_seconds_server' SECOND) FROM $wpdb->posts WHERE post_modified_gmt <= '$now' AND post_status = 'publish' ORDER BY post_modified_gmt DESC LIMIT 1"); - break; - } - $lastpostdate = get_lastpostdate($timezone); - if ( $lastpostdate > $lastpostmodified ) { - $lastpostmodified = $lastpostdate; - } - $cache_lastpostmodified[$timezone] = $lastpostmodified; +/** + * 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 ); + + return $data; +} + +/** + * 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( '/
sys_get_temp_dir()
,
+ * 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 WP_TEMP_DIR
constant in
+ * your wp-config.php
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( $path );
+ return true;
}
-function &get_children($post = 0, $output = OBJECT) {
- global $post_cache, $wpdb;
+/**
+ * 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 = $upload_path;
+ }
- if ( empty($post) ) {
- if ( isset($GLOBALS['post']) )
- $post_parent = & $GLOBALS['post']->post_parent;
+ if ( !$url = get_option( 'upload_url_path' ) ) {
+ if ( empty($upload_path) || ( 'wp-content/uploads' == $upload_path ) || ( $upload_path == $dir ) )
+ $url = WP_CONTENT_URL . '/uploads';
else
- return false;
- } elseif ( is_object($post) ) {
- $post_parent = $post->post_parent;
- } else {
- $post_parent = $post;
+ $url = trailingslashit( $siteurl ) . $upload_path;
}
- $post_parent = (int) $post_parent;
+ // 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;
+ }
- $query = "SELECT * FROM $wpdb->posts WHERE post_parent = $post_parent";
+ // If multisite (and if not the main site in a post-MU network)
+ if ( is_multisite() && ! ( is_main_network() && is_main_site() && defined( 'MULTISITE' ) ) ) {
- $children = $wpdb->get_results($query);
+ 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 ( $children ) {
- foreach ( $children as $key => $child ) {
- $post_cache[$child->ID] =& $children[$key];
- $kids[$child->ID] =& $children[$key];
+ 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';
}
- } else {
- return false;
}
- if ( $output == OBJECT ) {
- return $kids;
- } elseif ( $output == ARRAY_A ) {
- foreach ( $kids as $kid )
- $weeuns[$kid->ID] = get_object_vars($kids[$kid->ID]);
- return $weeuns;
- } elseif ( $output == ARRAY_N ) {
- foreach ( $kids as $kid )
- $babes[$kid->ID] = array_values(get_object_vars($kids[$kid->ID]));
- return $babes;
- } else {
- return $kids;
+ $basedir = $dir;
+ $baseurl = $url;
+
+ $subdir = '';
+ if ( get_option( 'uploads_use_yearmonth_folders' ) ) {
+ // Generate the yearly and monthly dirs
+ if ( !$time )
+ $time = current_time( 'mysql' );
+ $y = substr( $time, 0, 4 );
+ $m = substr( $time, 5, 2 );
+ $subdir = "/$y/$m";
}
-}
-function set_page_path($page) {
- $page->fullpath = '/' . $page->post_name;
- $path = $page->fullpath;
- $curpage = $page;
- while ($curpage->post_parent != 0) {
- $curpage = get_page($curpage->post_parent);
- $path = '/' . $curpage->post_name . $path;
- }
-
- $page->fullpath = $path;
-
- return $page;
-}
+ $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( $uploads['path'] ) ) {
+ if ( 0 === strpos( $uploads['basedir'], ABSPATH ) )
+ $error_path = str_replace( ABSPATH, '', $uploads['basedir'] ) . $uploads['subdir'];
+ else
+ $error_path = basename( $uploads['basedir'] ) . $uploads['subdir'];
-// Retrieves page data given a page ID or page object.
-// Handles page caching.
-function &get_page(&$page, $output = OBJECT) {
- global $wpdb;
+ $message = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), $error_path );
+ $uploads['error'] = $message;
+ }
- if ( empty($page) ) {
- if ( isset($GLOBALS['page']) ) {
- $_page = & $GLOBALS['page'];
- wp_cache_add($_page->ID, $_page, 'pages');
- } else {
- $_page = null;
- }
- } elseif ( is_object($page) ) {
- if ( 'static' != $page->post_status )
- return get_post($page, $output);
- wp_cache_add($page->ID, $page, 'pages');
- $_page = $page;
+ return $uploads;
+}
+
+/**
+ * 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, $ext );
} else {
- if ( isset($GLOBALS['page']) && ($page == $GLOBALS['page']->ID) ) {
- $_page = & $GLOBALS['page'];
- wp_cache_add($_page->ID, $_page, 'pages');
- } elseif ( $_page = $GLOBALS['post_cache'][$page] ) {
- return get_post($page, $output);
- } elseif ( $_page = wp_cache_get($page, 'pages') ) {
- // Got it.
- } else {
- $query = "SELECT * FROM $wpdb->posts WHERE ID= '$page' LIMIT 1";
- $_page = & $wpdb->get_row($query);
- if ( 'static' != $_page->post_status )
- return get_post($_page, $output);
- wp_cache_add($_page->ID, $_page, 'pages');
+ $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 $filename2;
}
- }
-
- if (!isset($_page->fullpath)) {
- $_page = set_page_path($_page);
- wp_cache_replace($_page->cat_ID, $_page, 'pages');
- }
- if ( $output == OBJECT ) {
- return $_page;
- } elseif ( $output == ARRAY_A ) {
- return get_object_vars($_page);
- } elseif ( $output == ARRAY_N ) {
- return array_values(get_object_vars($_page));
- } else {
- return $_page;
+ while ( file_exists( $dir . "/$filename" ) ) {
+ if ( '' == "$number$ext" )
+ $filename = $filename . ++$number . $ext;
+ else
+ $filename = str_replace( "$number$ext", ++$number . $ext, $filename );
+ }
}
-}
-function set_category_path($cat) {
- $cat->fullpath = '/' . $cat->category_nicename;
- $path = $cat->fullpath;
- $curcat = $cat;
- while ($curcat->category_parent != 0) {
- $curcat = get_category($curcat->category_parent);
- $path = '/' . $curcat->category_nicename . $path;
+ return $filename;
+}
+
+/**
+ * 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;
+
+ $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;
}
-
- $cat->fullpath = $path;
- return $cat;
-}
+ $filename = wp_unique_filename( $upload['path'], $name );
-// Retrieves category data given a category ID or category object.
-// Handles category caching.
-function &get_category(&$category, $output = OBJECT) {
- global $wpdb;
+ $new_file = $upload['path'] . "/$filename";
+ 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'] ) . $upload['subdir'];
- if ( empty($category) )
- return null;
+ $message = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), $error_path );
+ return array( 'error' => $message );
+ }
- if ( is_object($category) ) {
- wp_cache_add($category->cat_ID, $category, 'category');
- $_category = $category;
- } else {
- if ( ! $_category = wp_cache_get($category, 'category') ) {
- $_category = $wpdb->get_row("SELECT * FROM $wpdb->categories WHERE cat_ID = '$category' LIMIT 1");
- wp_cache_add($category, $_category, 'category');
+ $ifp = @ fopen( $new_file, 'wb' );
+ if ( ! $ifp )
+ return array( 'error' => sprintf( __( 'Could not write file %s' ), $new_file ) );
+
+ @fwrite( $ifp, $bits );
+ fclose( $ifp );
+ clearstatcache();
+
+ // Set correct file permissions
+ $stat = @ stat( dirname( $new_file ) );
+ $perms = $stat['mode'] & 0007777;
+ $perms = $perms & 0000666;
+ @ chmod( $new_file, $perms );
+ clearstatcache();
+
+ // Compute the URL
+ $url = $upload['url'] . "/$filename";
+
+ return array( 'file' => $new_file, 'url' => $url, 'error' => false );
+}
+
+/**
+ * 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 ) {
+ $ext_preg = '!\.(' . $ext_preg . ')$!i';
+ if ( preg_match( $ext_preg, $filename, $ext_matches ) ) {
+ $type = $mime_match;
+ $ext = $ext_matches[1];
+ break;
}
}
- if ( !isset($_category->fullpath) ) {
- $_category = set_category_path($_category);
- wp_cache_replace($_category->cat_ID, $_category, 'category');
+ 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 );
+ }
+ }
}
- if ( $output == OBJECT ) {
- return $_category;
- } elseif ( $output == ARRAY_A ) {
- return get_object_vars($_category);
- } elseif ( $output == ARRAY_N ) {
- return array_values(get_object_vars($_category));
+ // 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 );
+}
+
+/**
+ * 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 );
+}
+
+/**
+ * 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' ) ) . ''; + $html .= sprintf( __( "Do you really want to log out?"), wp_logout_url() ); } else { - return $_category; + $html = __( 'Are you sure you want to do this?' ); + if ( wp_get_referer() ) + $html .= "
" . __( 'Please try again.' ) . ""; } -} -// Retrieves comment data given a comment ID or comment object. -// Handles comment caching. -function &get_comment(&$comment, $output = OBJECT) { - global $comment_cache, $wpdb; - - if ( empty($comment) ) - return null; - - if ( is_object($comment) ) { - if ( !isset($comment_cache[$comment->comment_ID]) ) - $comment_cache[$comment->comment_ID] = &$comment; - $_comment = & $comment_cache[$comment->comment_ID]; - } else { - if ( !isset($comment_cache[$comment]) ) { - $_comment = $wpdb->get_row("SELECT * FROM $wpdb->comments WHERE comment_ID = '$comment' LIMIT 1"); - $comment_cache[$comment->comment_ID] = & $_comment; - } else { - $_comment = & $comment_cache[$comment]; + wp_die( $html, $title, array('response' => 403) ); +} + +/** + * 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 ) ) { + $error_data = $message->get_error_data(); + if ( is_array( $error_data ) && isset( $error_data['title'] ) ) + $title = $error_data['title']; } + $errors = $message->get_error_messages(); + switch ( count( $errors ) ) : + case 0 : + $message = ''; + break; + case 1 : + $message = "
{$errors[0]}
"; + break; + default : + $message = "$message
"; } - if ( $output == OBJECT ) { - return $_comment; - } elseif ( $output == ARRAY_A ) { - return get_object_vars($_comment); - } elseif ( $output == ARRAY_N ) { - return array_values(get_object_vars($_comment)); - } else { - return $_comment; + if ( isset( $r['back_link'] ) && $r['back_link'] ) { + $back_text = $have_gettext? __('« Back') : '« Back'; + $message .= "\n"; } -} -function get_catname($cat_ID) { - $category = &get_category($cat_ID); - return $category->cat_name; -} + if ( ! did_action( 'admin_head' ) ) : + if ( !headers_sent() ) { + status_header( $r['response'] ); + nocache_headers(); + header( 'Content-Type: text/html; charset=utf-8' ); + } -function get_all_category_ids() { - global $wpdb; - - if ( ! $cat_ids = wp_cache_get('all_category_ids', 'category') ) { - $cat_ids = $wpdb->get_col("SELECT cat_ID FROM $wpdb->categories"); - wp_cache_add('all_category_ids', $cat_ids, 'category'); - } - - return $cat_ids; -} + if ( empty($title) ) + $title = $have_gettext ? __('WordPress › Error') : 'WordPress › Error'; -function get_all_page_ids() { - global $wpdb; - - if ( ! $page_ids = wp_cache_get('all_page_ids', 'pages') ) { - $page_ids = $wpdb->get_col("SELECT ID FROM $wpdb->posts WHERE post_status='static'"); - wp_cache_add('all_page_ids', $page_ids, 'pages'); + $text_direction = 'ltr'; + if ( isset($r['text_direction']) && 'rtl' == $r['text_direction'] ) + $text_direction = 'rtl'; + elseif ( function_exists( 'is_rtl' ) && is_rtl() ) + $text_direction = 'rtl'; +?> + + +> + + +
+ * if ( !empty($deprecated) )
+ * _deprecated_argument( __FUNCTION__, '3.0' );
+ *
+ *
+ * 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 deprecated since version %2$s! %3$s'), $function, $version, $message ) );
+ else
+ trigger_error( sprintf( __('%1$s was called with an argument that is deprecated 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 deprecated since version %2$s! %3$s', $function, $version, $message ) );
+ else
+ trigger_error( sprintf( '%1$s was called with an argument that is deprecated since version %2$s with no alternative available.', $function, $version ) );
+ }
}
}
-function debug_fwrite($fp, $string) {
- global $debug;
- if ( $debug == 1 ) {
- fwrite($fp, $string);
+/**
+ * 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 );
+ $message .= ' ' . __( 'Please see Debugging in WordPress for more information.' );
+ trigger_error( sprintf( __( '%1$s was called incorrectly. %2$s %3$s' ), $function, $message, $version ) );
+ } else {
+ $version = is_null( $version ) ? '' : sprintf( '(This message was added in version %s.)', $version );
+ $message .= ' Please see Debugging in WordPress for more information.';
+ trigger_error( sprintf( '%1$s was called incorrectly. %2$s %3$s', $function, $message, $version ) );
+ }
}
}
-function debug_fclose($fp) {
- global $debug;
- if ( $debug == 1 ) {
- fclose($fp);
+/**
+ * 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);
}
-function spawn_pinger() {
- global $wpdb;
- $doping = false;
- if ( $wpdb->get_var("SELECT ID FROM $wpdb->posts WHERE TRIM(to_ping) != '' LIMIT 1") )
- $doping = true;
+/**
+ * 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 ( $wpdb->get_var("SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_pingme' OR meta_key = '_encloseme' LIMIT 1") )
- $doping = true;
+ if ( ! empty( $allowed_files ) && ! in_array( $file, $allowed_files ) )
+ return 3;
- if ( substr(php_sapi_name(), 0, 3) == 'cgi' )
- return $doping;
+ if (':' == substr( $file, 1, 1 ) )
+ return 2;
- if ( $doping ) {
- $ping_url = get_settings('siteurl') .'/wp-admin/execute-pings.php';
- $parts = parse_url($ping_url);
- $argyle = @ fsockopen($parts['host'], $_SERVER['SERVER_PORT'], $errno, $errstr, 0.01);
- if ( $argyle )
- fputs($argyle, "GET {$parts['path']}?time=".time()." HTTP/1.0\r\nHost: {$_SERVER['HTTP_HOST']}\r\n\r\n");
- }
+ return 0;
}
-function do_enclose( $content, $post_ID ) {
- global $wp_version, $wpdb;
- include_once (ABSPATH . WPINC . '/class-IXR.php');
+/**
+ * Determine if SSL is used.
+ *
+ * @since 2.6.0
+ *
+ * @return bool True if SSL, false if not used.
+ */
+function is_ssl() {
+ if ( isset($_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;
+}
- $log = debug_fopen(ABSPATH . '/enclosures.log', 'a');
- $post_links = array();
- debug_fwrite($log, 'BEGIN '.date('YmdHis', time())."\n");
+/**
+ * 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;
+ }
- $pung = get_enclosed( $post_ID );
+ return $forced;
+}
- $ltrs = '\w';
- $gunk = '/#~:.?+=&%@!\-';
- $punc = '.:?\-';
- $any = $ltrs . $gunk . $punc;
+/**
+ * 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 $forced = false;
- preg_match_all("{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp);
+ if ( !is_null( $force ) ) {
+ $old_forced = $forced;
+ $forced = $force;
+ return $old_forced;
+ }
- debug_fwrite($log, 'Post contents:');
- debug_fwrite($log, $content."\n");
+ 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( $_SERVER['SCRIPT_FILENAME'] );
- foreach($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']) )
- $post_links[] = $link_test;
- elseif (($test['path'] != '/') && ($test['path'] != ''))
- $post_links[] = $link_test;
- endif;
- endforeach;
+ // 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', '', $_SERVER['REQUEST_URI'] );
- foreach ($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'] );
- $allowed_types = array( 'video', 'audio' );
- 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')" );
- }
+ // 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'];
}
}
- endforeach;
-}
-function wp_get_http_headers( $url, $red = 1 ) {
- global $wp_version;
- @set_time_limit( 60 );
+ $schema = is_ssl() ? 'https://' : 'http://'; // set_url_scheme() is not defined yet
+ $url = $schema . $_SERVER['HTTP_HOST'] . $path;
+ }
- if ( $red > 5 )
- return false;
+ return rtrim($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;
- $parts = parse_url( $url );
- $file = $parts['path'] . ($parts['query'] ? '?'.$parts['query'] : '');
- $host = $parts['host'];
- if ( !isset( $parts['port'] ) )
- $parts['port'] = 80;
+ if ( ! $site_id )
+ $site_id = get_current_blog_id();
- $head = "HEAD $file HTTP/1.1\r\nHOST: $host\r\nUser-Agent: WordPress/" . $wp_version . "\r\n\r\n";
+ return (int) $site_id === (int) $current_site->blog_id;
+}
- $fp = @fsockopen($host, $parts['port'], $err_num, $err_msg, 3);
- if ( !$fp )
- return false;
+/**
+ * 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;
- $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];
- }
-
- $code = preg_replace('/.*?(\d{3}).*/i', '$1', $response);
-
- $headers['status_code'] = $code;
-
- if ( '302' == $code || '301' == $code )
- return wp_get_http_headers( $url, ++$red );
-
- preg_match('/.*([0-9]{3}).*/', $response, $return);
- $headers['response'] = $return[1]; // HTTP response code eg 204, 200, 404
- return $headers;
-}
+ if ( ! is_multisite() )
+ return true;
-// Deprecated. Use the new post loop.
-function start_wp() {
- global $wp_query, $post;
+ $current_network_id = (int) get_current_site()->id;
- // Since the old style loop is being used, advance the query iterator here.
- $wp_query->next_post();
+ if ( ! $network_id )
+ $network_id = $current_network_id;
+ $network_id = (int) $network_id;
- setup_postdata($post);
-}
+ if ( defined( 'PRIMARY_NETWORK_ID' ) )
+ return $network_id === (int) PRIMARY_NETWORK_ID;
-// Setup global post data.
-function setup_postdata($post) {
- global $id, $postdata, $authordata, $day, $page, $pages, $multipage, $more, $numpages, $wp_query;
- global $pagenow;
+ if ( 1 === $current_network_id )
+ return $network_id === $current_network_id;
- $id = $post->ID;
+ $primary_network_id = (int) wp_cache_get( 'primary_network_id', 'site-options' );
- $authordata = get_userdata($post->post_author);
+ if ( $primary_network_id )
+ return $network_id === $primary_network_id;
- $day = mysql2date('d.m.y', $post->post_date);
- $currentmonth = mysql2date('m', $post->post_date);
- $numpages = 1;
- $page = get_query_var('page');
- if ( !$page )
- $page = 1;
- if ( is_single() || is_page() )
- $more = 1;
- $content = $post->post_content;
- if ( preg_match('//', $content) ) {
- if ( $page > 1 )
- $more = 1;
- $multipage = 1;
- $content = str_replace("\n\n", '', $content);
- $content = str_replace("\n", '', $content);
- $content = str_replace("\n", '', $content);
- $pages = explode('', $content);
- $numpages = count($pages);
- } else {
- $pages[0] = $post->post_content;
- $multipage = 0;
- }
- return true;
+ $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;
}
-function is_new_day() {
- global $day, $previousday;
- if ( $day != $previousday ) {
- return(1);
+/**
+ * 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 {
- return(0);
+ // 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'] );
}
}
-// Filters: these are the core of WP's plugin architecture
+/**
+ * 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 );
+ $mo_loaded = true;
+ }
-function merge_filters($tag) {
- global $wp_filter;
- if ( isset($wp_filter['all']) ) {
- foreach ($wp_filter['all'] as $priority => $functions) {
- if ( isset($wp_filter[$tag][$priority]) )
- $wp_filter[$tag][$priority] = array_merge($wp_filter['all'][$priority], $wp_filter[$tag][$priority]);
- else
- $wp_filter[$tag][$priority] = array_merge($wp_filter['all'][$priority], array());
- $wp_filter[$tag][$priority] = array_unique($wp_filter[$tag][$priority]);
+ $zonen = array();
+ foreach ( timezone_identifiers_list() as $zone ) {
+ $zone = explode( '/', $zone );
+ if ( !in_array( $zone[0], $continents ) ) {
+ continue;
}
- }
- if ( isset($wp_filter[$tag]) )
- ksort( $wp_filter[$tag] );
-}
+ // 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( $zonen, '_wp_timezone_choice_usort_callback' );
-function apply_filters($tag, $string) {
- global $wp_filter;
+ $structure = array();
- $args = array_slice(func_get_args(), 2);
+ if ( empty( $selected_zone ) ) {
+ $structure[] = '';
+ }
- merge_filters($tag);
+ foreach ( $zonen as $key => $zone ) {
+ // Build value in an array to join later
+ $value = array( $zone['continent'] );
- if ( !isset($wp_filter[$tag]) ) {
- return $string;
- }
- foreach ($wp_filter[$tag] as $priority => $functions) {
- if ( !is_null($functions) ) {
- foreach($functions as $function) {
+ 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
- $all_args = array_merge(array($string), $args);
- $function_name = $function['function'];
- $accepted_args = $function['accepted_args'];
+ // Continent optgroup
+ if ( !isset( $zonen[$key - 1] ) || $zonen[$key - 1]['continent'] !== $zone['continent'] ) {
+ $label = $zone['t_continent'];
+ $structure[] = '';
}
}
- // So the format is wp_filter['tag']['array of priorities']['array of ['array (functions, accepted_args)]']
- $wp_filter[$tag]["$priority"][] = array('function'=>$function_to_add, 'accepted_args'=>$accepted_args);
- return true;
-}
+ // Do UTC
+ $structure[] = '';
+
+ // Do manual UTC offsets
+ $structure[] = '';
+
+ 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;
-// The *_action functions are just aliases for the *_filter functions, they take special strings instead of generic content
+ $delete_timestamp = time() - ( DAY_IN_SECONDS * EMPTY_TRASH_DAYS );
-function do_action($tag, $arg = '') {
- global $wp_filter;
- $extra_args = array_slice(func_get_args(), 2);
- if ( is_array($arg) )
- $args = array_merge($arg, $extra_args);
- else
- $args = array_merge(array($arg), $extra_args);
+ $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'", $delete_timestamp), ARRAY_A);
- merge_filters($tag);
+ foreach ( (array) $posts_to_delete as $post ) {
+ $post_id = (int) $post['post_id'];
+ if ( !$post_id )
+ continue;
- if ( !isset($wp_filter[$tag]) ) {
- return;
- }
- foreach ($wp_filter[$tag] as $priority => $functions) {
- if ( !is_null($functions) ) {
- foreach($functions as $function) {
-
- $function_name = $function['function'];
- $accepted_args = $function['accepted_args'];
-
- if ( $accepted_args == 1 ) {
- if ( is_array($arg) )
- $the_args = $arg;
- else
- $the_args = array($arg);
- } elseif ( $accepted_args > 1 ) {
- $the_args = array_slice($args, 0, $accepted_args);
- } elseif ( $accepted_args == 0 ) {
- $the_args = NULL;
- } else {
- $the_args = $args;
- }
+ $del_post = get_post($post_id);
- $string = call_user_func_array($function_name, $the_args);
- }
+ if ( !$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);
}
}
-}
-
-function add_action($tag, $function_to_add, $priority = 10, $accepted_args = 1) {
- add_filter($tag, $function_to_add, $priority, $accepted_args);
-}
-function remove_action($tag, $function_to_remove, $priority = 10, $accepted_args = 1) {
- remove_filter($tag, $function_to_remove, $priority, $accepted_args);
-}
+ $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'", $delete_timestamp), ARRAY_A);
-function get_page_uri($page_id) {
- $page = get_page($page_id);
- $uri = urldecode($page->post_name);
+ foreach ( (array) $comments_to_delete as $comment ) {
+ $comment_id = (int) $comment['comment_id'];
+ if ( !$comment_id )
+ continue;
- // A page cannot be it's own parent.
- if ( $page->post_parent == $page->ID )
- return $uri;
+ $del_comment = get_comment($comment_id);
- while ($page->post_parent != 0) {
- $page = get_page($page->post_parent);
- $uri = urldecode($page->post_name) . "/" . $uri;
+ if ( !$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);
+ }
}
-
- return $uri;
}
-function get_posts($args) {
- global $wpdb;
- parse_str($args, $r);
- if ( !isset($r['numberposts']) )
- $r['numberposts'] = 5;
- if ( !isset($r['offset']) )
- $r['offset'] = 0;
- if ( !isset($r['category']) )
- $r['category'] = '';
- if ( !isset($r['orderby']) )
- $r['orderby'] = 'post_date';
- if ( !isset($r['order']) )
- $r['order'] = 'DESC';
+/**
+ * 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 );
- $now = current_time('mysql');
+ // Make sure we catch CR-only line endings.
+ $file_data = str_replace( "\r", "\n", $file_data );
- $posts = $wpdb->get_results(
- "SELECT DISTINCT * FROM $wpdb->posts " .
- ( empty( $r['category'] ) ? "" : ", $wpdb->post2cat " ) .
- " WHERE post_date <= '$now' AND (post_status = 'publish') ".
- ( empty( $r['category'] ) ? "" : "AND $wpdb->posts.ID = $wpdb->post2cat.post_id AND $wpdb->post2cat.category_id = " . $r['category']. " " ) .
- " GROUP BY $wpdb->posts.ID ORDER BY " . $r['orderby'] . " " . $r['order'] . " LIMIT " . $r['offset'] . ',' . $r['numberposts'] );
+ 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 = $default_headers;
+ }
- update_post_caches($posts);
+ 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 $posts;
+ return $all_headers;
}
-function &query_posts($query) {
- global $wp_query;
- return $wp_query->query($query);
+/**
+ * Returns true.
+ *
+ * Useful for returning true to filters easily.
+ *
+ * @since 3.0.0
+ * @see __return_false()
+ * @return bool true
+ */
+function __return_true() {
+ return true;
}
-function update_post_cache(&$posts) {
- global $post_cache;
+/**
+ * Returns false.
+ *
+ * Useful for returning false to filters easily.
+ *
+ * @since 3.0.0
+ * @see __return_true()
+ * @return bool false
+ */
+function __return_false() {
+ return false;
+}
- if ( !$posts )
- return;
+/**
+ * Returns 0.
+ *
+ * Useful for returning 0 to filters easily.
+ *
+ * @since 3.0.0
+ * @return int 0
+ */
+function __return_zero() {
+ return 0;
+}
- for ($i = 0; $i < count($posts); $i++) {
- $post_cache[$posts[$i]->ID] = &$posts[$i];
+/**
+ * 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 $start_of_week DAY ), 0 )";
}
}
-function clean_post_cache($id) {
- global $post_cache;
+/**
+ * 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 ) );
+ }
- if ( isset( $post_cache[$id] ) )
- unset( $post_cache[$id] );
+ return false;
}
-function update_page_cache(&$pages) {
- global $page_cache;
+/**
+ * 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', $protocols );
+ }
- if ( !$pages )
- return;
+ 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 );
+ $skip_frames++; // skip this function
- for ($i = 0; $i < count($pages); $i++) {
- $page_cache[$pages[$i]->ID] = &$pages[$i];
- wp_cache_add($pages[$i]->ID, $pages[$i], 'pages');
+ 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 = $_SERVER['HTTP_USER_AGENT'];
-function clean_page_cache($id) {
- global $page_cache;
+ if ( strpos($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', '>=' );
+ }
- if ( isset( $page_cache[$id] ) )
- unset( $page_cache[$id] );
+ return true;
}
-function update_post_category_cache($post_ids) {
- global $wpdb, $category_cache;
+/**
+ * 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 ), $source_date );
+}
+
+/**
+ * Load the auth check for monitoring whether the user is still logged in.
+ *
+ * Can be disabled with remove_action( 'admin_enqueue_scripts', 'wp_auth_check_load' );
+ *
+ * This is disabled for certain screens where a login screen could cause an
+ * inconvenient interruption. A filter called wp_auth_check_load can be used
+ * for fine-grained control.
+ *
+ * @since 3.6.0
+ */
+function wp_auth_check_load() {
+ if ( ! is_admin() && ! is_user_logged_in() )
+ return;
- if ( empty($post_ids) )
+ if ( defined( 'IFRAME_REQUEST' ) )
return;
- if ( is_array($post_ids) )
- $post_ids = implode(',', $post_ids);
+ $screen = get_current_screen();
+ $hidden = array( 'update', 'update-network', 'update-core', 'update-core-network', 'upgrade', 'upgrade-network', 'network' );
+ $show = ! in_array( $screen->id, $hidden );
- $dogs = $wpdb->get_results("SELECT post_id, category_id FROM $wpdb->post2cat WHERE post_id IN ($post_ids)");
+ if ( apply_filters( 'wp_auth_check_load', $show, $screen ) ) {
+ wp_enqueue_style( 'wp-auth-check' );
+ wp_enqueue_script( 'wp-auth-check' );
- if ( empty($dogs) )
- return;
-
- foreach ($dogs as $catt)
- $category_cache[$catt->post_id][$catt->category_id] = &get_category($catt->category_id);
+ add_action( 'admin_print_footer_scripts', 'wp_auth_check_html', 5 );
+ add_action( 'wp_print_footer_scripts', 'wp_auth_check_html', 5 );
+ }
}
-function update_post_caches(&$posts) {
- global $post_cache, $category_cache, $comment_count_cache, $post_meta_cache;
- global $wpdb;
-
- // No point in doing all this work if we didn't match any posts.
- if ( !$posts )
- return;
-
- // Get the categories for all the posts
- for ($i = 0; $i < count($posts); $i++) {
- $post_id_array[] = $posts[$i]->ID;
- $post_cache[$posts[$i]->ID] = &$posts[$i];
- $comment_count_cache[$posts[$i]->ID] = $posts[$i]->comment_count;
- }
-
- $post_id_list = implode(',', $post_id_array);
-
- update_post_category_cache($post_id_list);
-
- // Get post-meta info
- if ( $meta_list = $wpdb->get_results("SELECT post_id, meta_key, meta_value FROM $wpdb->postmeta WHERE post_id IN($post_id_list) ORDER BY post_id, meta_key", ARRAY_A) ) {
- // Change from flat structure to hierarchical:
- $post_meta_cache = array();
- foreach ($meta_list as $metarow) {
- $mpid = $metarow['post_id'];
- $mkey = $metarow['meta_key'];
- $mval = $metarow['meta_value'];
-
- // Force subkeys to be array type:
- if ( !isset($post_meta_cache[$mpid]) || !is_array($post_meta_cache[$mpid]) )
- $post_meta_cache[$mpid] = array();
- if ( !isset($post_meta_cache[$mpid]["$mkey"]) || !is_array($post_meta_cache[$mpid]["$mkey"]) )
- $post_meta_cache[$mpid]["$mkey"] = array();
-
- // Add a value to the current pid/key:
- $post_meta_cache[$mpid][$mkey][] = $mval;
- }
- }
-}
-
-function update_category_cache() {
- return true;
-}
-
-function wp_head() {
- do_action('wp_head');
-}
-
-function wp_footer() {
- do_action('wp_footer');
-}
-
-function is_single ($post = '') {
- global $wp_query;
-
- if ( !$wp_query->is_single )
- return false;
-
- if ( empty( $post) )
- return true;
-
- $post_obj = $wp_query->get_queried_object();
-
- if ( $post == $post_obj->ID )
- return true;
- elseif ( $post == $post_obj->post_title )
- return true;
- elseif ( $post == $post_obj->post_name )
- return true;
-
- return false;
-}
-
-function is_page ($page = '') {
- global $wp_query;
-
- if ( !$wp_query->is_page )
- return false;
-
- if ( empty($page) )
- return true;
-
- $page_obj = $wp_query->get_queried_object();
-
- if ( $page == $page_obj->ID )
- return true;
- elseif ( $page == $page_obj->post_title )
- return true;
- else if ( $page == $page_obj->post_name )
- return true;
-
- return false;
-}
-
-function is_attachment () {
- global $wp_query;
-
- return $wp_query->is_attachment;
-}
-
-function is_preview() {
- global $wp_query;
-
- return $wp_query->is_preview;
-}
-
-function is_archive () {
- global $wp_query;
-
- return $wp_query->is_archive;
-}
-
-function is_date () {
- global $wp_query;
-
- return $wp_query->is_date;
-}
-
-function is_year () {
- global $wp_query;
-
- return $wp_query->is_year;
-}
-
-function is_month () {
- global $wp_query;
-
- return $wp_query->is_month;
-}
-
-function is_day () {
- global $wp_query;
-
- return $wp_query->is_day;
-}
-
-function is_time () {
- global $wp_query;
-
- return $wp_query->is_time;
-}
-
-function is_author ($author = '') {
- global $wp_query;
-
- if ( !$wp_query->is_author )
- return false;
-
- if ( empty($author) )
- return true;
-
- $author_obj = $wp_query->get_queried_object();
-
- if ( $author == $author_obj->ID )
- return true;
- elseif ( $author == $author_obj->nickname )
- return true;
- elseif ( $author == $author_obj->user_nicename )
- return true;
-
- return false;
-}
-
-function is_category ($category = '') {
- global $wp_query;
-
- if ( !$wp_query->is_category )
- return false;
-
- if ( empty($category) )
- return true;
-
- $cat_obj = $wp_query->get_queried_object();
-
- if ( $category == $cat_obj->cat_ID )
- return true;
- else if ( $category == $cat_obj->cat_name )
- return true;
- elseif ( $category == $cat_obj->category_nicename )
- return true;
-
- return false;
-}
-
-function is_search () {
- global $wp_query;
-
- return $wp_query->is_search;
-}
-
-function is_feed () {
- global $wp_query;
-
- return $wp_query->is_feed;
-}
-
-function is_trackback () {
- global $wp_query;
-
- return $wp_query->is_trackback;
-}
-
-function is_admin () {
- global $wp_query;
-
- return ( $wp_query->is_admin || strstr($_SERVER['REQUEST_URI'], 'wp-admin/') );
-}
-
-function is_home () {
- global $wp_query;
-
- return $wp_query->is_home;
-}
-
-function is_404 () {
- global $wp_query;
-
- return $wp_query->is_404;
-}
-
-function is_comments_popup () {
- global $wp_query;
-
- return $wp_query->is_comments_popup;
-}
-
-function is_paged () {
- global $wp_query;
-
- return $wp_query->is_paged;
-}
-
-function in_the_loop() {
- global $wp_query;
-
- return $wp_query->in_the_loop;
-}
-
-function get_query_var($var) {
- global $wp_query;
-
- return $wp_query->get($var);
-}
-
-function have_posts() {
- global $wp_query;
-
- return $wp_query->have_posts();
-}
-
-function rewind_posts() {
- global $wp_query;
-
- return $wp_query->rewind_posts();
-}
-
-function the_post() {
- global $wp_query;
-
- $wp_query->the_post();
-}
-
-function get_theme_root() {
- return apply_filters('theme_root', ABSPATH . "wp-content/themes");
-}
-
-function get_theme_root_uri() {
- return apply_filters('theme_root_uri', get_settings('siteurl') . "/wp-content/themes", get_settings('siteurl'));
-}
-
-function get_stylesheet() {
- return apply_filters('stylesheet', get_settings('stylesheet'));
-}
-
-function get_stylesheet_directory() {
- $stylesheet = get_stylesheet();
- $stylesheet_dir = get_theme_root() . "/$stylesheet";
- return apply_filters('stylesheet_directory', $stylesheet_dir, $stylesheet);
-}
-
-function get_stylesheet_directory_uri() {
- $stylesheet = rawurlencode( get_stylesheet() );
- $stylesheet_dir_uri = get_theme_root_uri() . "/$stylesheet";
- return apply_filters('stylesheet_directory_uri', $stylesheet_dir_uri, $stylesheet);
-}
-
-function get_stylesheet_uri() {
- $stylesheet_dir_uri = get_stylesheet_directory_uri();
- $stylesheet_uri = $stylesheet_dir_uri . "/style.css";
- return apply_filters('stylesheet_uri', $stylesheet_uri, $stylesheet_dir_uri);
-}
-
-function get_template() {
- $template = get_settings('template');
- if (!file_exists(get_theme_root() . "/$template")) { //works for dirs too
- update_option('template', 'default');
- update_option('stylesheet', 'default');
- }
- return apply_filters('template', get_settings('template'));
-}
-
-function get_template_directory() {
- $template = get_template();
- $template_dir = get_theme_root() . "/$template";
- return apply_filters('template_directory', $template_dir, $template);
-}
-
-function get_template_directory_uri() {
- $template = get_template();
- $template_dir_uri = get_theme_root_uri() . "/$template";
- return apply_filters('template_directory_uri', $template_dir_uri, $template);
-}
-
-function get_theme_data($theme_file) {
- $theme_data = implode('', file($theme_file));
- preg_match("|Theme Name:(.*)|i", $theme_data, $theme_name);
- preg_match("|Theme URI:(.*)|i", $theme_data, $theme_uri);
- preg_match("|Description:(.*)|i", $theme_data, $description);
- preg_match("|Author:(.*)|i", $theme_data, $author_name);
- preg_match("|Author URI:(.*)|i", $theme_data, $author_uri);
- preg_match("|Template:(.*)|i", $theme_data, $template);
- if ( preg_match("|Version:(.*)|i", $theme_data, $version) )
- $version = $version[1];
- else
- $version ='';
- if ( preg_match("|Status:(.*)|i", $theme_data, $status) )
- $status = $status[1];
- else
- $status ='publish';
-
- $description = wptexturize($description[1]);
-
- $name = $theme_name[1];
- $name = trim($name);
- $theme = $name;
-
- if ( '' == $author_uri[1] ) {
- $author = $author_name[1];
- } else {
- $author = '' . $author_name[1] . '';
- }
-
- return array('Name' => $name, 'Title' => $theme, 'Description' => $description, 'Author' => $author, 'Version' => $version, 'Template' => $template[1], 'Status' => $status);
-}
-
-function get_themes() {
- global $wp_themes;
- global $wp_broken_themes;
-
- if ( isset($wp_themes) )
- return $wp_themes;
-
- $themes = array();
- $wp_broken_themes = array();
- $theme_root = get_theme_root();
- $theme_loc = str_replace(ABSPATH, '', $theme_root);
-
- // Files in wp-content/themes directory
- $themes_dir = @ dir($theme_root);
- if ( $themes_dir ) {
- while(($theme_dir = $themes_dir->read()) !== false) {
- if ( is_dir($theme_root . '/' . $theme_dir) && is_readable($theme_root . '/' . $theme_dir) ) {
- if ( $theme_dir{0} == '.' || $theme_dir == '..' || $theme_dir == 'CVS' ) {
- continue;
- }
- $stylish_dir = @ dir($theme_root . '/' . $theme_dir);
- $found_stylesheet = false;
- while (($theme_file = $stylish_dir->read()) !== false) {
- if ( $theme_file == 'style.css' ) {
- $theme_files[] = $theme_dir . '/' . $theme_file;
- $found_stylesheet = true;
- break;
- }
- }
- if ( !$found_stylesheet ) {
- $wp_broken_themes[$theme_dir] = array('Name' => $theme_dir, 'Title' => $theme_dir, 'Description' => __('Stylesheet is missing.'));
- }
- }
- }
+/**
+ * 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';
+
+ ?>
+