X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/7688c6ba71852cd89123b62b2d57683535e4702a..177fd6fefd2e3d5a0ea6591c71d660cabdb3c1a4:/wp-includes/functions.php diff --git a/wp-includes/functions.php b/wp-includes/functions.php index c07069c1..e011d340 100644 --- a/wp-includes/functions.php +++ b/wp-includes/functions.php @@ -1,11 +1,18 @@ month) && !empty($wp_locale->weekday) && $translate ) { - $datemonth = $wp_locale->get_month(date('m', $i)); - $datemonth_abbrev = $wp_locale->get_month_abbrev($datemonth); - $dateweekday = $wp_locale->get_weekday(date('w', $i)); - $dateweekday_abbrev = $wp_locale->get_weekday_abbrev($dateweekday); - $datemeridiem = $wp_locale->get_meridiem(date('a', $i)); - $datemeridiem_capital = $wp_locale->get_meridiem(date('A', $i)); - $dateformatstring = ' '.$dateformatstring; - $dateformatstring = preg_replace("/([^\\\])D/", "\\1".backslashit($dateweekday_abbrev), $dateformatstring); - $dateformatstring = preg_replace("/([^\\\])F/", "\\1".backslashit($datemonth), $dateformatstring); - $dateformatstring = preg_replace("/([^\\\])l/", "\\1".backslashit($dateweekday), $dateformatstring); - $dateformatstring = preg_replace("/([^\\\])M/", "\\1".backslashit($datemonth_abbrev), $dateformatstring); - $dateformatstring = preg_replace("/([^\\\])a/", "\\1".backslashit($datemeridiem), $dateformatstring); - $dateformatstring = preg_replace("/([^\\\])A/", "\\1".backslashit($datemeridiem_capital), $dateformatstring); - - $dateformatstring = substr($dateformatstring, 1, strlen($dateformatstring)-1); - } - $j = @date($dateformatstring, $i); - if ( !$j ) { - // for debug purposes - // echo $i." ".$mysqlstring; - } + if ( !empty( $wp_locale->month ) && !empty( $wp_locale->weekday ) && $translate ) { + $datemonth = $wp_locale->get_month( date( 'm', $i ) ); + $datemonth_abbrev = $wp_locale->get_month_abbrev( $datemonth ); + $dateweekday = $wp_locale->get_weekday( date( 'w', $i ) ); + $dateweekday_abbrev = $wp_locale->get_weekday_abbrev( $dateweekday ); + $datemeridiem = $wp_locale->get_meridiem( date( 'a', $i ) ); + $datemeridiem_capital = $wp_locale->get_meridiem( date( 'A', $i ) ); + $dateformatstring = ' ' . $dateformatstring; + $dateformatstring = preg_replace( "/([^\\\])D/", "\\1" . backslashit( $dateweekday_abbrev ), $dateformatstring ); + $dateformatstring = preg_replace( "/([^\\\])F/", "\\1" . backslashit( $datemonth ), $dateformatstring ); + $dateformatstring = preg_replace( "/([^\\\])l/", "\\1" . backslashit( $dateweekday ), $dateformatstring ); + $dateformatstring = preg_replace( "/([^\\\])M/", "\\1" . backslashit( $datemonth_abbrev ), $dateformatstring ); + $dateformatstring = preg_replace( "/([^\\\])a/", "\\1" . backslashit( $datemeridiem ), $dateformatstring ); + $dateformatstring = preg_replace( "/([^\\\])A/", "\\1" . backslashit( $datemeridiem_capital ), $dateformatstring ); + + $dateformatstring = substr( $dateformatstring, 1, strlen( $dateformatstring ) -1 ); + } + $j = @date( $dateformatstring, $i ); + + /* + if ( !$j ) // for debug purposes + echo $i." ".$mysqlstring; + */ + return $j; } -function current_time($type, $gmt = 0) { - switch ($type) { + +function current_time( $type, $gmt = 0 ) { + switch ( $type ) { case 'mysql': - if ( $gmt ) $d = gmdate('Y-m-d H:i:s'); - else $d = gmdate('Y-m-d H:i:s', (time() + (get_option('gmt_offset') * 3600))); - return $d; + return ( $gmt ) ? gmdate( 'Y-m-d H:i:s' ) : gmdate( 'Y-m-d H:i:s', ( time() + ( get_option( 'gmt_offset' ) * 3600 ) ) ); break; case 'timestamp': - if ( $gmt ) $d = time(); - else $d = time() + (get_option('gmt_offset') * 3600); - return $d; + return ( $gmt ) ? time() : time() + ( get_option( 'gmt_offset' ) * 3600 ); break; } } -function date_i18n($dateformatstring, $unixtimestamp) { + +function date_i18n( $dateformatstring, $unixtimestamp ) { global $wp_locale; $i = $unixtimestamp; - if ( (!empty($wp_locale->month)) && (!empty($wp_locale->weekday)) ) { - $datemonth = $wp_locale->get_month(date('m', $i)); - $datemonth_abbrev = $wp_locale->get_month_abbrev($datemonth); - $dateweekday = $wp_locale->get_weekday(date('w', $i)); - $dateweekday_abbrev = $wp_locale->get_weekday_abbrev($dateweekday); - $datemeridiem = $wp_locale->get_meridiem(date('a', $i)); - $datemeridiem_capital = $wp_locale->get_meridiem(date('A', $i)); + if ( ( !empty( $wp_locale->month ) ) && ( !empty( $wp_locale->weekday ) ) ) { + $datemonth = $wp_locale->get_month( date( 'm', $i ) ); + $datemonth_abbrev = $wp_locale->get_month_abbrev( $datemonth ); + $dateweekday = $wp_locale->get_weekday( date( 'w', $i ) ); + $dateweekday_abbrev = $wp_locale->get_weekday_abbrev( $dateweekday ); + $datemeridiem = $wp_locale->get_meridiem( date( 'a', $i ) ); + $datemeridiem_capital = $wp_locale->get_meridiem( date( 'A', $i ) ); $dateformatstring = ' '.$dateformatstring; - $dateformatstring = preg_replace("/([^\\\])D/", "\\1".backslashit($dateweekday_abbrev), $dateformatstring); - $dateformatstring = preg_replace("/([^\\\])F/", "\\1".backslashit($datemonth), $dateformatstring); - $dateformatstring = preg_replace("/([^\\\])l/", "\\1".backslashit($dateweekday), $dateformatstring); - $dateformatstring = preg_replace("/([^\\\])M/", "\\1".backslashit($datemonth_abbrev), $dateformatstring); - $dateformatstring = preg_replace("/([^\\\])a/", "\\1".backslashit($datemeridiem), $dateformatstring); - $dateformatstring = preg_replace("/([^\\\])A/", "\\1".backslashit($datemeridiem_capital), $dateformatstring); - - $dateformatstring = substr($dateformatstring, 1, strlen($dateformatstring)-1); + $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); + $j = @date( $dateformatstring, $i ); return $j; } -function number_format_i18n($number, $decimals = null) { + +function number_format_i18n( $number, $decimals = null ) { global $wp_locale; // let the user override the precision only - $decimals = is_null($decimals)? $wp_locale->number_format['decimals'] : intval($decimals); + $decimals = ( is_null( $decimals ) ) ? $wp_locale->number_format['decimals'] : intval( $decimals ); - return number_format($number, $decimals, $wp_locale->number_format['decimal_point'], $wp_locale->number_format['thousands_sep']); + return number_format( $number, $decimals, $wp_locale->number_format['decimal_point'], $wp_locale->number_format['thousands_sep'] ); } -function size_format($bytes, $decimals = null) { + +function size_format( $bytes, $decimals = null ) { // technically the correct unit names for powers of 1024 are KiB, MiB etc // see http://en.wikipedia.org/wiki/Byte $quant = array( - 'TB' => pow(1024, 4), - 'GB' => pow(1024, 3), - 'MB' => pow(1024, 2), - 'kB' => pow(1024, 1), - 'B' => pow(1024, 0), + // ========================= Origin ==== + 'TB' => 1099511627776, // pow( 1024, 4) + 'GB' => 1073741824, // pow( 1024, 3) + 'MB' => 1048576, // pow( 1024, 2) + 'kB' => 1024, // pow( 1024, 1) + 'B ' => 1, // pow( 1024, 0) ); - foreach ($quant as $unit => $mag) - if ( intval($bytes) >= $mag ) - return number_format_i18n($bytes / $mag, $decimals) . ' ' . $unit; + foreach ( $quant as $unit => $mag ) + if ( doubleval($bytes) >= $mag ) + return number_format_i18n( $bytes / $mag, $decimals ) . ' ' . $unit; + + return false; } -function get_weekstartend($mysqlstring, $start_of_week) { - $my = substr($mysqlstring,0,4); - $mm = substr($mysqlstring,8,2); - $md = substr($mysqlstring,5,2); - $day = mktime(0,0,0, $md, $mm, $my); - $weekday = date('w',$day); + +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 ); $i = 86400; + if( !is_numeric($start_of_week) ) + $start_of_week = get_option( 'start_of_week' ); - if ( $weekday < get_option('start_of_week') ) - $weekday = 7 - (get_option('start_of_week') - $weekday); + if ( $weekday < $start_of_week ) + $weekday = 7 - $start_of_week - $weekday; - while ($weekday > get_option('start_of_week')) { - $weekday = date('w',$day); - if ( $weekday < get_option('start_of_week') ) - $weekday = 7 - (get_option('start_of_week') - $weekday); + while ( $weekday > $start_of_week ) { + $weekday = date( 'w', $day ); + if ( $weekday < $start_of_week ) + $weekday = 7 - $start_of_week - $weekday; - $day = $day - 86400; + $day -= 86400; $i = 0; } $week['start'] = $day + 86400 - $i; - // $week['end'] = $day - $i + 691199; $week['end'] = $week['start'] + 604799; return $week; } -function maybe_unserialize($original) { - if ( is_serialized($original) ) // don't attempt to unserialize data that wasn't serialized going in - if ( false !== $gm = @ unserialize($original) ) + +function maybe_unserialize( $original ) { + if ( is_serialized( $original ) ) // don't attempt to unserialize data that wasn't serialized going in + if ( false !== $gm = @unserialize( $original ) ) return $gm; return $original; } -function is_serialized($data) { + +function is_serialized( $data ) { // if it isn't a string, it isn't serialized - if ( !is_string($data) ) + if ( !is_string( $data ) ) return false; - $data = trim($data); + $data = trim( $data ); if ( 'N;' == $data ) return true; - if ( !preg_match('/^([adObis]):/', $data, $badions) ) + if ( !preg_match( '/^([adObis]):/', $data, $badions ) ) return false; - switch ( $badions[1] ) : - case 'a' : - case 'O' : - case 's' : - if ( preg_match("/^{$badions[1]}:[0-9]+:.*[;}]\$/s", $data) ) - return true; - break; - case 'b' : - case 'i' : - case 'd' : - if ( preg_match("/^{$badions[1]}:[0-9.E-]+;\$/", $data) ) - return true; - break; - endswitch; + switch ( $badions[1] ) { + case 'a' : + case 'O' : + case 's' : + if ( preg_match( "/^{$badions[1]}:[0-9]+:.*[;}]\$/s", $data ) ) + return true; + break; + case 'b' : + case 'i' : + case 'd' : + if ( preg_match( "/^{$badions[1]}:[0-9.E-]+;\$/", $data ) ) + return true; + break; + } return false; } -function is_serialized_string($data) { + +function is_serialized_string( $data ) { // if it isn't a string, it isn't a serialized string - if ( !is_string($data) ) + if ( !is_string( $data ) ) return false; - $data = trim($data); - if ( preg_match('/^s:[0-9]+:.*;$/s',$data) ) // this should fetch all serialized strings + $data = trim( $data ); + if ( preg_match( '/^s:[0-9]+:.*;$/s', $data ) ) // this should fetch all serialized strings return true; return false; } + /* Options functions */ // expects $setting to already be SQL-escaped -function get_option($setting) { +function get_option( $setting ) { global $wpdb; // Allow plugins to short-circuit options. @@ -185,30 +203,31 @@ function get_option($setting) { return $pre; // prevent non-existent options from triggering multiple queries - $notoptions = wp_cache_get('notoptions', 'options'); - if ( isset($notoptions[$setting]) ) + $notoptions = wp_cache_get( 'notoptions', 'options' ); + if ( isset( $notoptions[$setting] ) ) return false; $alloptions = wp_load_alloptions(); - if ( isset($alloptions[$setting]) ) { + if ( isset( $alloptions[$setting] ) ) { $value = $alloptions[$setting]; } else { - $value = wp_cache_get($setting, 'options'); + $value = wp_cache_get( $setting, 'options' ); if ( false === $value ) { - if ( defined('WP_INSTALLING') ) - $show = $wpdb->hide_errors(); - $row = $wpdb->get_row("SELECT option_value FROM $wpdb->options WHERE option_name = '$setting' LIMIT 1"); - if ( defined('WP_INSTALLING') ) - $wpdb->show_errors($show); - - if( is_object( $row) ) { // Has to be get_row instead of get_var because of funkiness with 0, false, null values + if ( defined( 'WP_INSTALLING' ) ) + $supress = $wpdb->suppress_errors(); + // expected_slashed ($setting) + $row = $wpdb->get_row( "SELECT option_value FROM $wpdb->options WHERE option_name = '$setting' LIMIT 1" ); + if ( defined( 'WP_INSTALLING' ) ) + $wpdb->suppress_errors($suppress); + + if ( is_object( $row) ) { // Has to be get_row instead of get_var because of funkiness with 0, false, null values $value = $row->option_value; - wp_cache_add($setting, $value, 'options'); + wp_cache_add( $setting, $value, 'options' ); } else { // option does not exist, so we must cache its non-existence $notoptions[$setting] = true; - wp_cache_set('notoptions', $notoptions, 'options'); + wp_cache_set( 'notoptions', $notoptions, 'options' ); return false; } } @@ -216,280 +235,268 @@ function get_option($setting) { // If home is not set use siteurl. if ( 'home' == $setting && '' == $value ) - return get_option('siteurl'); + return get_option( 'siteurl' ); - if ( in_array($setting, array('siteurl', 'home', 'category_base', 'tag_base')) ) - $value = untrailingslashit($value); + if ( in_array( $setting, array('siteurl', 'home', 'category_base', 'tag_base') ) ) + $value = untrailingslashit( $value ); - return apply_filters( 'option_' . $setting, maybe_unserialize($value) ); + return apply_filters( 'option_' . $setting, maybe_unserialize( $value ) ); } -function wp_protect_special_option($option) { - $protected = array('alloptions', 'notoptions'); - if ( in_array($option, $protected) ) - die(sprintf(__('%s is a protected WP option and may not be modified'), wp_specialchars($option))); + +function wp_protect_special_option( $option ) { + $protected = array( 'alloptions', 'notoptions' ); + if ( in_array( $option, $protected ) ) + die( sprintf( __( '%s is a protected WP option and may not be modified' ), wp_specialchars( $option ) ) ); } -function form_option($option) { - echo attribute_escape(get_option($option)); +function form_option( $option ) { + echo attribute_escape (get_option( $option ) ); } function get_alloptions() { global $wpdb, $wp_queries; $show = $wpdb->hide_errors(); - if ( !$options = $wpdb->get_results("SELECT option_name, option_value FROM $wpdb->options WHERE autoload = 'yes'") ) { - $options = $wpdb->get_results("SELECT option_name, option_value FROM $wpdb->options"); - } + if ( !$options = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options WHERE autoload = 'yes'" ) ) + $options = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options" ); $wpdb->show_errors($show); - foreach ($options as $option) { + foreach ( $options as $option ) { // "When trying to design a foolproof system, // never underestimate the ingenuity of the fools :)" -- Dougal - if ( 'siteurl' == $option->option_name ) - $option->option_value = preg_replace('|/+$|', '', $option->option_value); - if ( 'home' == $option->option_name ) - $option->option_value = preg_replace('|/+$|', '', $option->option_value); - if ( 'category_base' == $option->option_name ) - $option->option_value = preg_replace('|/+$|', '', $option->option_value); - $value = maybe_unserialize($option->option_value); - $all_options->{$option->option_name} = apply_filters('pre_option_' . $option->option_name, $value); + if ( in_array( $option->option_name, array( 'siteurl', 'home', 'category_base' ) ) ) + $option->option_value = untrailingslashit( $option->option_value ); + $value = maybe_unserialize( $option->option_value ); + $all_options->{$option->option_name} = apply_filters( 'pre_option_' . $option->option_name, $value ); } - return apply_filters('all_options', $all_options); + return apply_filters( 'all_options', $all_options ); } + function wp_load_alloptions() { global $wpdb; - $alloptions = wp_cache_get('alloptions', 'options'); + $alloptions = wp_cache_get( 'alloptions', 'options' ); if ( !$alloptions ) { - $show = $wpdb->hide_errors(); - if ( !$alloptions_db = $wpdb->get_results("SELECT option_name, option_value FROM $wpdb->options WHERE autoload = 'yes'") ) - $alloptions_db = $wpdb->get_results("SELECT option_name, option_value FROM $wpdb->options"); - $wpdb->show_errors($show); + $suppress = $wpdb->suppress_errors(); + if ( !$alloptions_db = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options WHERE autoload = 'yes'" ) ) + $alloptions_db = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options" ); + $wpdb->suppress_errors($suppress); $alloptions = array(); foreach ( (array) $alloptions_db as $o ) $alloptions[$o->option_name] = $o->option_value; - wp_cache_add('alloptions', $alloptions, 'options'); + wp_cache_add( 'alloptions', $alloptions, 'options' ); } return $alloptions; } + // expects $option_name to NOT be SQL-escaped -function update_option($option_name, $newvalue) { +function update_option( $option_name, $newvalue ) { global $wpdb; - wp_protect_special_option($option_name); - - $safe_option_name = $wpdb->escape($option_name); - $newvalue = sanitize_option($option_name, $newvalue); + wp_protect_special_option( $option_name ); - if ( is_string($newvalue) ) - $newvalue = trim($newvalue); + $safe_option_name = $wpdb->escape( $option_name ); + $newvalue = sanitize_option( $option_name, $newvalue ); // If the new and old values are the same, no need to update. - $oldvalue = get_option($safe_option_name); - if ( $newvalue === $oldvalue ) { + $oldvalue = get_option( $safe_option_name ); + if ( $newvalue === $oldvalue ) return false; - } if ( false === $oldvalue ) { - add_option($option_name, $newvalue); + add_option( $option_name, $newvalue ); return true; } - $notoptions = wp_cache_get('notoptions', 'options'); - if ( is_array($notoptions) && isset($notoptions[$option_name]) ) { - unset($notoptions[$option_name]); - wp_cache_set('notoptions', $notoptions, 'options'); + $notoptions = wp_cache_get( 'notoptions', 'options' ); + if ( is_array( $notoptions ) && isset( $notoptions[$option_name] ) ) { + unset( $notoptions[$option_name] ); + wp_cache_set( 'notoptions', $notoptions, 'options' ); } $_newvalue = $newvalue; - $newvalue = maybe_serialize($newvalue); + $newvalue = maybe_serialize( $newvalue ); $alloptions = wp_load_alloptions(); - if ( isset($alloptions[$option_name]) ) { + if ( isset( $alloptions[$option_name] ) ) { $alloptions[$option_name] = $newvalue; - wp_cache_set('alloptions', $alloptions, 'options'); + wp_cache_set( 'alloptions', $alloptions, 'options' ); } else { - wp_cache_set($option_name, $newvalue, 'options'); + wp_cache_set( $option_name, $newvalue, 'options' ); } - $newvalue = $wpdb->escape($newvalue); - $option_name = $wpdb->escape($option_name); - $wpdb->query("UPDATE $wpdb->options SET option_value = '$newvalue' WHERE option_name = '$option_name'"); + $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->options SET option_value = %s WHERE option_name = %s", $newvalue, $option_name ) ); if ( $wpdb->rows_affected == 1 ) { - do_action("update_option_{$option_name}", $oldvalue, $_newvalue); + do_action( "update_option_{$option_name}", $oldvalue, $_newvalue ); return true; } return false; } + // thx Alex Stapleton, http://alex.vort-x.net/blog/ // expects $name to NOT be SQL-escaped -function add_option($name, $value = '', $deprecated = '', $autoload = 'yes') { +function add_option( $name, $value = '', $deprecated = '', $autoload = 'yes' ) { global $wpdb; - wp_protect_special_option($name); - $safe_name = $wpdb->escape($name); + wp_protect_special_option( $name ); + $safe_name = $wpdb->escape( $name ); + $value = sanitize_option( $name, $value ); // Make sure the option doesn't already exist. We can check the 'notoptions' cache before we ask for a db query - $notoptions = wp_cache_get('notoptions', 'options'); - if ( !is_array($notoptions) || !isset($notoptions[$name]) ) - if ( false !== get_option($safe_name) ) + $notoptions = wp_cache_get( 'notoptions', 'options' ); + if ( !is_array( $notoptions ) || !isset( $notoptions[$name] ) ) + if ( false !== get_option( $safe_name ) ) return; - $value = maybe_serialize($value); + $value = maybe_serialize( $value ); $autoload = ( 'no' === $autoload ) ? 'no' : 'yes'; if ( 'yes' == $autoload ) { $alloptions = wp_load_alloptions(); $alloptions[$name] = $value; - wp_cache_set('alloptions', $alloptions, 'options'); + wp_cache_set( 'alloptions', $alloptions, 'options' ); } else { - wp_cache_set($name, $value, 'options'); + wp_cache_set( $name, $value, 'options' ); } // This option exists now - $notoptions = wp_cache_get('notoptions', 'options'); // yes, again... we need it to be fresh - if ( is_array($notoptions) && isset($notoptions[$name]) ) { - unset($notoptions[$name]); - wp_cache_set('notoptions', $notoptions, 'options'); + $notoptions = wp_cache_get( 'notoptions', 'options' ); // yes, again... we need it to be fresh + if ( is_array( $notoptions ) && isset( $notoptions[$name] ) ) { + unset( $notoptions[$name] ); + wp_cache_set( 'notoptions', $notoptions, 'options' ); } - $name = $wpdb->escape($name); - $value = $wpdb->escape($value); - $wpdb->query("INSERT INTO $wpdb->options (option_name, option_value, autoload) VALUES ('$name', '$value', '$autoload')"); + $wpdb->query( $wpdb->prepare( "INSERT INTO $wpdb->options (option_name, option_value, autoload) VALUES (%s, %s, %s)", $name, $value, $autoload ) ); + do_action( "add_option_{$name}", $name, $value ); return; } -function delete_option($name) { + +function delete_option( $name ) { global $wpdb; - wp_protect_special_option($name); + wp_protect_special_option( $name ); // Get the ID, if no ID then return - $option = $wpdb->get_row("SELECT option_id, autoload FROM $wpdb->options WHERE option_name = '$name'"); - if ( !$option->option_id ) return false; - $wpdb->query("DELETE FROM $wpdb->options WHERE option_name = '$name'"); + // expected_slashed ($name) + $option = $wpdb->get_row( "SELECT option_id, autoload FROM $wpdb->options WHERE option_name = '$name'" ); + if ( is_null($option) || !$option->option_id ) + return false; + // expected_slashed ($name) + $wpdb->query( "DELETE FROM $wpdb->options WHERE option_name = '$name'" ); if ( 'yes' == $option->autoload ) { $alloptions = wp_load_alloptions(); - if ( isset($alloptions[$name]) ) { - unset($alloptions[$name]); - wp_cache_set('alloptions', $alloptions, 'options'); + if ( isset( $alloptions[$name] ) ) { + unset( $alloptions[$name] ); + wp_cache_set( 'alloptions', $alloptions, 'options' ); } } else { - wp_cache_delete($name, 'options'); + wp_cache_delete( $name, 'options' ); } return true; } -function maybe_serialize($data) { - if ( is_string($data) ) - $data = trim($data); - elseif ( is_array($data) || is_object($data) ) - return serialize($data); - if ( is_serialized($data) ) - return serialize($data); + +function maybe_serialize( $data ) { + if ( is_string( $data ) ) + $data = trim( $data ); + elseif ( is_array( $data ) || is_object( $data ) ) + return serialize( $data ); + if ( is_serialized( $data ) ) + return serialize( $data ); return $data; } -function gzip_compression() { - if ( !get_option( 'gzipcompression' ) ) { - return false; - } - - if ( ( ini_get( 'zlib.output_compression' ) == 'On' || ini_get( 'zlib.output_compression_level' ) > 0 ) || ini_get( 'output_handler' ) == 'ob_gzhandler' ) { - return false; - } - - if ( extension_loaded( 'zlib' ) ) { - ob_start( 'ob_gzhandler' ); - } -} -function make_url_footnote($content) { - preg_match_all('/(.+?)<\/a>/', $content, $matches); +function make_url_footnote( $content ) { + preg_match_all( '/(.+?)<\/a>/', $content, $matches ); $j = 0; - for ($i=0; $i(.+?)<\/title>/is', $content, $matchtitle) ) { + if ( preg_match( '/(.+?)<\/title>/is', $content, $matchtitle ) ) { $post_title = $matchtitle[0]; - $post_title = preg_replace('/<title>/si', '', $post_title); - $post_title = preg_replace('/<\/title>/si', '', $post_title); + $post_title = preg_replace( '/<title>/si', '', $post_title ); + $post_title = preg_replace( '/<\/title>/si', '', $post_title ); } else { $post_title = $post_default_title; } return $post_title; } -function xmlrpc_getpostcategory($content) { + +function xmlrpc_getpostcategory( $content ) { global $post_default_category; - if ( preg_match('/<category>(.+?)<\/category>/is', $content, $matchcat) ) { - $post_category = trim($matchcat[1], ','); - $post_category = explode(',', $post_category); + if ( preg_match( '/<category>(.+?)<\/category>/is', $content, $matchcat ) ) { + $post_category = trim( $matchcat[1], ',' ); + $post_category = explode( ',', $post_category ); } else { $post_category = $post_default_category; } return $post_category; } -function xmlrpc_removepostdata($content) { - $content = preg_replace('/<title>(.+?)<\/title>/si', '', $content); - $content = preg_replace('/<category>(.+?)<\/category>/si', '', $content); - $content = trim($content); + +function xmlrpc_removepostdata( $content ) { + $content = preg_replace( '/<title>(.+?)<\/title>/si', '', $content ); + $content = preg_replace( '/<category>(.+?)<\/category>/si', '', $content ); + $content = trim( $content ); return $content; } -function debug_fopen($filename, $mode) { + +function debug_fopen( $filename, $mode ) { global $debug; - if ( $debug == 1 ) { - $fp = fopen($filename, $mode); + if ( 1 == $debug ) { + $fp = fopen( $filename, $mode ); return $fp; } else { return false; } } -function debug_fwrite($fp, $string) { + +function debug_fwrite( $fp, $string ) { global $debug; - if ( $debug == 1 ) { - fwrite($fp, $string); - } + if ( 1 == $debug ) + fwrite( $fp, $string ); } -function debug_fclose($fp) { + +function debug_fclose( $fp ) { global $debug; - if ( $debug == 1 ) { - fclose($fp); - } + if ( 1 == $debug ) + fclose( $fp ); } function do_enclose( $content, $post_ID ) { - global $wp_version, $wpdb; - include_once (ABSPATH . WPINC . '/class-IXR.php'); + global $wpdb; + include_once( ABSPATH . WPINC . '/class-IXR.php' ); - $log = debug_fopen(ABSPATH . 'enclosures.log', 'a'); + $log = debug_fopen( ABSPATH . 'enclosures.log', 'a' ); $post_links = array(); - debug_fwrite($log, 'BEGIN '.date('YmdHis', time())."\n"); + debug_fwrite( $log, 'BEGIN ' . date( 'YmdHis', time() ) . "\n" ); $pung = get_enclosed( $post_ID ); @@ -498,38 +505,41 @@ function do_enclose( $content, $post_ID ) { $punc = '.:?\-'; $any = $ltrs . $gunk . $punc; - preg_match_all("{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp); + preg_match_all( "{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp ); - debug_fwrite($log, 'Post contents:'); - debug_fwrite($log, $content."\n"); + debug_fwrite( $log, 'Post contents:' ); + debug_fwrite( $log, $content . "\n" ); - foreach($post_links_temp[0] as $link_test) : - if ( !in_array($link_test, $pung) ) : // If we haven't pung it already - $test = parse_url($link_test); - if ( isset($test['query']) ) + foreach ( $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'] != '')) + elseif ( $test['path'] != '/' && $test['path'] != '' ) $post_links[] = $link_test; - endif; - endforeach; + } + } - foreach ($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%')") ) { + foreach ( $post_links as $url ) { + if ( $url != '' && !$wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE (%s)", $post_ID, $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')" ); + $wpdb->query( $wpdb->prepare( "INSERT INTO `$wpdb->postmeta` ( `post_id` , `meta_key` , `meta_value` ) + VALUES ( %d, 'enclosure' , %s)", $post_ID, $meta_value ) ); } } } - endforeach; + } } -function wp_get_http_headers( $url, $red = 1 ) { +// perform a HTTP HEAD or GET request +// if $file_path is a writable filename, this will do a GET request and write the file to that path +// returns a list of HTTP headers +function wp_get_http( $url, $file_path = false, $red = 1 ) { global $wp_version; @set_time_limit( 60 ); @@ -537,14 +547,19 @@ function wp_get_http_headers( $url, $red = 1 ) { return false; $parts = parse_url( $url ); - $file = $parts['path'] . ($parts['query'] ? '?'.$parts['query'] : ''); + $file = $parts['path'] . ( ( $parts['query'] ) ? '?' . $parts['query'] : '' ); $host = $parts['host']; if ( !isset( $parts['port'] ) ) $parts['port'] = 80; - $head = "HEAD $file HTTP/1.1\r\nHOST: $host\r\nUser-Agent: WordPress/" . $wp_version . "\r\n\r\n"; + if ( $file_path ) + $request_type = 'GET'; + else + $request_type = 'HEAD'; + + $head = "$request_type $file HTTP/1.1\r\nHOST: $host\r\nUser-Agent: WordPress/" . $wp_version . "\r\n\r\n"; - $fp = @fsockopen($host, $parts['port'], $err_num, $err_msg, 3); + $fp = @fsockopen( $host, $parts['port'], $err_num, $err_msg, 3 ); if ( !$fp ) return false; @@ -552,37 +567,68 @@ function wp_get_http_headers( $url, $red = 1 ) { 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]); + 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]; } - preg_match('/.*([0-9]{3}).*/', $response, $return); + preg_match( '/.*([0-9]{3}).*/', $response, $return ); $headers['response'] = $return[1]; // HTTP response code eg 204, 200, 404 $code = $headers['response']; - if ( ('302' == $code || '301' == $code) && isset($headers['location']) ) - return wp_get_http_headers( $headers['location'], ++$red ); + if ( ( '302' == $code || '301' == $code ) && isset( $headers['location'] ) ) { + fclose($fp); + return wp_get_http( $headers['location'], $file_path, ++$red ); + } + + // make a note of the final location, so the caller can tell if we were redirected or not + $headers['x-final-location'] = $url; + + // HEAD request only + if ( !$file_path ) { + fclose($fp); + return $headers; + } + + // GET request - fetch and write it to the supplied filename + $content_length = $headers['content-length']; + $got_bytes = 0; + $out_fp = fopen($file_path, 'w'); + while ( !feof($fp) ) { + $buf = fread( $fp, 4096 ); + fwrite( $out_fp, $buf ); + $got_bytes += strlen($buf); + // don't read past the content-length + if ($content_length and $got_bytes >= $content_length) + break; + } + fclose($out_fp); + fclose($fp); return $headers; } +function wp_get_http_headers( $url, $red = 1 ) { + return wp_get_http( $url, false, $red ); +} + + function is_new_day() { global $day, $previousday; - if ( $day != $previousday ) { - return(1); - } else { - return(0); - } + if ( $day != $previousday ) + return 1; + else + return 0; } -function build_query($data) { - return _http_build_query($data, NULL, '&', '', false); + +function build_query( $data ) { + return _http_build_query( $data, NULL, '&', '', false ); } + /* add_query_arg: Returns a modified querystring by adding a single key & value or an associative array. @@ -595,40 +641,40 @@ add_query_arg(associative_array, oldquery_or_uri) */ function add_query_arg() { $ret = ''; - if ( is_array(func_get_arg(0)) ) { - if ( @func_num_args() < 2 || false === @func_get_arg(1) ) + if ( is_array( func_get_arg(0) ) ) { + if ( @func_num_args() < 2 || false === @func_get_arg( 1 ) ) $uri = $_SERVER['REQUEST_URI']; else - $uri = @func_get_arg(1); + $uri = @func_get_arg( 1 ); } else { - if ( @func_num_args() < 3 || false === @func_get_arg(2) ) + if ( @func_num_args() < 3 || false === @func_get_arg( 2 ) ) $uri = $_SERVER['REQUEST_URI']; else - $uri = @func_get_arg(2); + $uri = @func_get_arg( 2 ); } - if ( $frag = strstr($uri, '#') ) - $uri = substr($uri, 0, -strlen($frag)); + if ( $frag = strstr( $uri, '#' ) ) + $uri = substr( $uri, 0, -strlen( $frag ) ); else $frag = ''; - if ( preg_match('|^https?://|i', $uri, $matches) ) { + if ( preg_match( '|^https?://|i', $uri, $matches ) ) { $protocol = $matches[0]; - $uri = substr($uri, strlen($protocol)); + $uri = substr( $uri, strlen( $protocol ) ); } else { $protocol = ''; } - if (strpos($uri, '?') !== false) { - $parts = explode('?', $uri, 2); - if ( 1 == count($parts) ) { + if ( strpos( $uri, '?' ) !== false ) { + $parts = explode( '?', $uri, 2 ); + if ( 1 == count( $parts ) ) { $base = '?'; $query = $parts[0]; } else { $base = $parts[0] . '?'; $query = $parts[1]; } - } elseif (!empty($protocol) || strpos($uri, '=') === false ) { + } elseif ( !empty( $protocol ) || strpos( $uri, '=' ) === false ) { $base = $uri . '?'; $query = ''; } else { @@ -636,28 +682,29 @@ function add_query_arg() { $query = $uri; } - wp_parse_str($query, $qs); - $qs = urlencode_deep($qs); // this re-URL-encodes things that were already in the query string - if ( is_array(func_get_arg(0)) ) { - $kayvees = func_get_arg(0); - $qs = array_merge($qs, $kayvees); + wp_parse_str( $query, $qs ); + $qs = urlencode_deep( $qs ); // this re-URL-encodes things that were already in the query string + if ( is_array( func_get_arg( 0 ) ) ) { + $kayvees = func_get_arg( 0 ); + $qs = array_merge( $qs, $kayvees ); } else { - $qs[func_get_arg(0)] = func_get_arg(1); + $qs[func_get_arg( 0 )] = func_get_arg( 1 ); } foreach ( $qs as $k => $v ) { if ( $v === false ) - unset($qs[$k]); + unset( $qs[$k] ); } - $ret = build_query($qs); - $ret = trim($ret, '?'); - $ret = preg_replace('#=(&|$)#', '$1', $ret); + $ret = build_query( $qs ); + $ret = trim( $ret, '?' ); + $ret = preg_replace( '#=(&|$)#', '$1', $ret ); $ret = $protocol . $base . $ret . $frag; - $ret = rtrim($ret, '?'); + $ret = rtrim( $ret, '?' ); return $ret; } + /* remove_query_arg: Returns a modified querystring by removing a single key or an array of keys. @@ -668,23 +715,24 @@ remove_query_arg(removekey, [oldquery_or_uri]) or remove_query_arg(removekeyarray, [oldquery_or_uri]) */ -function remove_query_arg($key, $query=FALSE) { - if ( is_array($key) ) { // removing multiple keys +function remove_query_arg( $key, $query=FALSE ) { + if ( is_array( $key ) ) { // removing multiple keys foreach ( (array) $key as $k ) - $query = add_query_arg($k, FALSE, $query); + $query = add_query_arg( $k, FALSE, $query ); return $query; } - return add_query_arg($key, FALSE, $query); + return add_query_arg( $key, FALSE, $query ); } -function add_magic_quotes($array) { + +function add_magic_quotes( $array ) { global $wpdb; - foreach ($array as $k => $v) { - if ( is_array($v) ) { - $array[$k] = add_magic_quotes($v); + foreach ( $array as $k => $v ) { + if ( is_array( $v ) ) { + $array[$k] = add_magic_quotes( $v ); } else { - $array[$k] = $wpdb->escape($v); + $array[$k] = $wpdb->escape( $v ); } } return $array; @@ -692,54 +740,55 @@ function add_magic_quotes($array) { function wp_remote_fopen( $uri ) { $timeout = 10; - $parsed_url = @parse_url($uri); + $parsed_url = @parse_url( $uri ); - if ( !$parsed_url || !is_array($parsed_url) ) + if ( !$parsed_url || !is_array( $parsed_url ) ) return false; - if ( !isset($parsed_url['scheme']) || !in_array($parsed_url['scheme'], array('http','https')) ) + if ( !isset( $parsed_url['scheme'] ) || !in_array( $parsed_url['scheme'], array( 'http','https' ) ) ) $uri = 'http://' . $uri; - if ( ini_get('allow_url_fopen') ) { + if ( ini_get( 'allow_url_fopen' ) ) { $fp = @fopen( $uri, 'r' ); if ( !$fp ) return false; //stream_set_timeout($fp, $timeout); // Requires php 4.3 $linea = ''; - while( $remote_read = fread($fp, 4096) ) + while ( $remote_read = fread( $fp, 4096 ) ) $linea .= $remote_read; - fclose($fp); + fclose( $fp ); return $linea; - } else if ( function_exists('curl_init') ) { + } elseif ( function_exists( 'curl_init' ) ) { $handle = curl_init(); - curl_setopt ($handle, CURLOPT_URL, $uri); - curl_setopt ($handle, CURLOPT_CONNECTTIMEOUT, 1); - curl_setopt ($handle, CURLOPT_RETURNTRANSFER, 1); - curl_setopt ($handle, CURLOPT_TIMEOUT, $timeout); - $buffer = curl_exec($handle); - curl_close($handle); + curl_setopt( $handle, CURLOPT_URL, $uri); + curl_setopt( $handle, CURLOPT_CONNECTTIMEOUT, 1 ); + curl_setopt( $handle, CURLOPT_RETURNTRANSFER, 1 ); + curl_setopt( $handle, CURLOPT_TIMEOUT, $timeout ); + $buffer = curl_exec( $handle ); + curl_close( $handle ); return $buffer; } else { return false; } } -function wp($query_vars = '') { - global $wp, $wp_query, $wp_the_query; - $wp->main($query_vars); +function wp( $query_vars = '' ) { + global $wp, $wp_query, $wp_the_query; + $wp->main( $query_vars ); if( !isset($wp_the_query) ) $wp_the_query = $wp_query; } + function get_status_header_desc( $code ) { global $wp_header_to_desc; - $code = (int) $code; + $code = absint( $code ); - if ( !isset($wp_header_to_desc) ) { + if ( !isset( $wp_header_to_desc ) ) { $wp_header_to_desc = array( 100 => 'Continue', 101 => 'Switching Protocols', @@ -787,13 +836,13 @@ function get_status_header_desc( $code ) { ); } - if ( isset( $wp_header_to_desc[$code] ) ) { + if ( isset( $wp_header_to_desc[$code] ) ) return $wp_header_to_desc[$code]; - } else { + else return ''; - } } + function status_header( $header ) { $text = get_status_header_desc( $header ); @@ -801,87 +850,99 @@ function status_header( $header ) { return false; $protocol = $_SERVER["SERVER_PROTOCOL"]; - if ( ('HTTP/1.1' != $protocol) && ('HTTP/1.0' != $protocol) ) + if ( 'HTTP/1.1' != $protocol && 'HTTP/1.0' != $protocol ) $protocol = 'HTTP/1.0'; $status_header = "$protocol $header $text"; - if ( function_exists('apply_filters') ) - $status_header = apply_filters('status_header', $status_header, $header, $text, $protocol); + if ( function_exists( 'apply_filters' ) ) + $status_header = apply_filters( 'status_header', $status_header, $header, $text, $protocol ); - if ( version_compare( phpversion(), '4.3.0', '>=' ) ) { + if ( version_compare( phpversion(), '4.3.0', '>=' ) ) return @header( $status_header, true, $header ); - } else { + else return @header( $status_header ); - } } + function nocache_headers() { - @ header('Expires: Wed, 11 Jan 1984 05:00:00 GMT'); - @ header('Last-Modified: ' . gmdate('D, d M Y H:i:s') . ' GMT'); - @ header('Cache-Control: no-cache, must-revalidate, max-age=0'); - @ header('Pragma: no-cache'); + // why are these @-silenced when other header calls aren't? + @header( 'Expires: Wed, 11 Jan 1984 05:00:00 GMT' ); + @header( 'Last-Modified: ' . gmdate( 'D, d M Y H:i:s' ) . ' GMT' ); + @header( 'Cache-Control: no-cache, must-revalidate, max-age=0' ); + @header( 'Pragma: no-cache' ); } + function cache_javascript_headers() { $expiresOffset = 864000; // 10 days - header("Content-Type: text/javascript; charset=" . get_bloginfo('charset')); - header("Vary: Accept-Encoding"); // Handle proxies - header("Expires: " . gmdate("D, d M Y H:i:s", time() + $expiresOffset) . " GMT"); + header( "Content-Type: text/javascript; charset=" . get_bloginfo( 'charset' ) ); + header( "Vary: Accept-Encoding" ); // Handle proxies + header( "Expires: " . gmdate( "D, d M Y H:i:s", time() + $expiresOffset ) . " GMT" ); } + function get_num_queries() { global $wpdb; return $wpdb->num_queries; } + function bool_from_yn( $yn ) { return ( strtolower( $yn ) == 'y' ); } + function do_feed() { global $wp_query; - $feed = get_query_var('feed'); + $feed = get_query_var( 'feed' ); // Remove the pad, if present. - $feed = preg_replace('/^_+/', '', $feed); + $feed = preg_replace( '/^_+/', '', $feed ); if ( $feed == '' || $feed == 'feed' ) - $feed = 'rss2'; + $feed = get_default_feed(); $hook = 'do_feed_' . $feed; - do_action($hook, $wp_query->is_comment_feed); + if ( !has_action($hook) ) { + $message = sprintf( __( 'ERROR: %s is not a valid feed template' ), wp_specialchars($feed)); + wp_die($message); + } + + do_action( $hook, $wp_query->is_comment_feed ); } + function do_feed_rdf() { - load_template(ABSPATH . WPINC . '/feed-rdf.php'); + load_template( ABSPATH . WPINC . '/feed-rdf.php' ); } + function do_feed_rss() { - load_template(ABSPATH . WPINC . '/feed-rss.php'); + load_template( ABSPATH . WPINC . '/feed-rss.php' ); } -function do_feed_rss2($for_comments) { - if ( $for_comments ) { - load_template(ABSPATH . WPINC . '/feed-rss2-comments.php'); - } else { - load_template(ABSPATH . WPINC . '/feed-rss2.php'); - } + +function do_feed_rss2( $for_comments ) { + if ( $for_comments ) + load_template( ABSPATH . WPINC . '/feed-rss2-comments.php' ); + else + load_template( ABSPATH . WPINC . '/feed-rss2.php' ); } -function do_feed_atom($for_comments) { - if ($for_comments) { - load_template(ABSPATH . WPINC . '/feed-atom-comments.php'); - } else { - load_template(ABSPATH . WPINC . '/feed-atom.php'); - } + +function do_feed_atom( $for_comments ) { + if ($for_comments) + load_template( ABSPATH . WPINC . '/feed-atom-comments.php'); + else + load_template( ABSPATH . WPINC . '/feed-atom.php' ); } function do_robots() { - header('Content-Type: text/plain; charset=utf-8'); + header( 'Content-Type: text/plain; charset=utf-8' ); - do_action('do_robotstxt'); + do_action( 'do_robotstxt' ); - if ( '0' == get_option('blog_public') ) { + if ( '0' == get_option( 'blog_public' ) ) { echo "User-agent: *\n"; echo "Disallow: /\n"; } else { @@ -890,172 +951,269 @@ function do_robots() { } } + function is_blog_installed() { global $wpdb; - $show = $wpdb->hide_errors(); - $installed = $wpdb->get_var("SELECT option_value FROM $wpdb->options WHERE option_name = 'siteurl'"); - $wpdb->show_errors($show); - $install_status = !empty( $installed ) ? TRUE : FALSE; - return $install_status; + // Check cache first. If options table goes away and we have true cached, oh well. + if ( wp_cache_get('is_blog_installed') ) + return true; + + $suppress = $wpdb->suppress_errors(); + $installed = $wpdb->get_var( "SELECT option_value FROM $wpdb->options WHERE option_name = 'siteurl'" ); + $wpdb->suppress_errors($suppress); + + $installed = !empty( $installed ) ? true : false; + wp_cache_set('is_blog_installed', $installed); + + return $installed; } -function wp_nonce_url($actionurl, $action = -1) { - $actionurl = str_replace('&', '&', $actionurl); - return wp_specialchars(add_query_arg('_wpnonce', wp_create_nonce($action), $actionurl)); + +function wp_nonce_url( $actionurl, $action = -1 ) { + $actionurl = str_replace( '&', '&', $actionurl ); + return wp_specialchars( add_query_arg( '_wpnonce', wp_create_nonce( $action ), $actionurl ) ); } -function wp_nonce_field($action = -1, $name = "_wpnonce", $referer = true) { - $name = attribute_escape($name); - echo '<input type="hidden" name="' . $name . '" value="' . wp_create_nonce($action) . '" />'; + +function wp_nonce_field( $action = -1, $name = "_wpnonce", $referer = true , $echo = true ) { + $name = attribute_escape( $name ); + $nonce_field = '<input type="hidden" id="' . $name . '" name="' . $name . '" value="' . wp_create_nonce( $action ) . '" />'; + if ( $echo ) + echo $nonce_field; + if ( $referer ) - wp_referer_field(); + wp_referer_field( $echo, 'previous' ); + + return $nonce_field; } -function wp_referer_field() { - $ref = attribute_escape($_SERVER['REQUEST_URI']); - echo '<input type="hidden" name="_wp_http_referer" value="'. $ref . '" />'; - if ( wp_get_original_referer() ) { - $original_ref = attribute_escape(stripslashes(wp_get_original_referer())); - echo '<input type="hidden" name="_wp_original_http_referer" value="'. $original_ref . '" />'; - } + +function wp_referer_field( $echo = true) { + $ref = attribute_escape( $_SERVER['REQUEST_URI'] ); + $referer_field = '<input type="hidden" name="_wp_http_referer" value="'. $ref . '" />'; + + if ( $echo ) + echo $referer_field; + return $referer_field; } -function wp_original_referer_field() { - echo '<input type="hidden" name="_wp_original_http_referer" value="' . attribute_escape(stripslashes($_SERVER['REQUEST_URI'])) . '" />'; +function wp_original_referer_field( $echo = true, $jump_back_to = 'current' ) { + $jump_back_to = ( 'previous' == $jump_back_to ) ? wp_get_referer() : $_SERVER['REQUEST_URI']; + $ref = ( wp_get_original_referer() ) ? wp_get_original_referer() : $jump_back_to; + $orig_referer_field = '<input type="hidden" name="_wp_original_http_referer" value="' . attribute_escape( stripslashes( $ref ) ) . '" />'; + if ( $echo ) + echo $orig_referer_field; + return $orig_referer_field; } + function wp_get_referer() { - foreach ( array($_REQUEST['_wp_http_referer'], $_SERVER['HTTP_REFERER']) as $ref ) - if ( !empty($ref) ) - return $ref; + if ( ! empty( $_REQUEST['_wp_http_referer'] ) ) + $ref = $_REQUEST['_wp_http_referer']; + else if ( ! empty( $_SERVER['HTTP_REFERER'] ) ) + $ref = $_SERVER['HTTP_REFERER']; + + if ( $ref !== $_SERVER['REQUEST_URI'] ) + return $ref; return false; } + function wp_get_original_referer() { - if ( !empty($_REQUEST['_wp_original_http_referer']) ) + if ( !empty( $_REQUEST['_wp_original_http_referer'] ) ) return $_REQUEST['_wp_original_http_referer']; return false; } -function wp_mkdir_p($target) { + +function wp_mkdir_p( $target ) { // from php.net/mkdir user contributed notes - if (file_exists($target)) { - if (! @ is_dir($target)) - return false; - else - return true; - } + $target = str_replace( '//', '/', $target ); + if ( file_exists( $target ) ) + return @is_dir( $target ); // Attempting to create the directory may clutter up our display. - if (@ mkdir($target)) { - $stat = @ stat(dirname($target)); + if ( @mkdir( $target ) ) { + $stat = @stat( dirname( $target ) ); $dir_perms = $stat['mode'] & 0007777; // Get the permission bits. - @ chmod($target, $dir_perms); + @chmod( $target, $dir_perms ); return true; - } else { - if ( is_dir(dirname($target)) ) + } elseif ( is_dir( dirname( $target ) ) ) { return false; } // If the above failed, attempt to create the parent node, then try again. - if (wp_mkdir_p(dirname($target))) - return wp_mkdir_p($target); + if ( wp_mkdir_p( dirname( $target ) ) ) + return wp_mkdir_p( $target ); return false; } +// Test if a give filesystem path is absolute ('/foo/bar', 'c:\windows') +function path_is_absolute( $path ) { + // this is definitive if true but fails if $path does not exist or contains a symbolic link + if ( realpath($path) == $path ) + return true; + + if ( strlen($path) == 0 || $path{0} == '.' ) + return false; + + // windows allows absolute paths like this + if ( preg_match('#^[a-zA-Z]:\\\\#', $path) ) + return true; + + // a path starting with / or \ is absolute; anything else is relative + return (bool) preg_match('#^[/\\\\]#', $path); +} + +// Join two filesystem paths together (e.g. 'give me $path relative to $base') +function path_join( $base, $path ) { + if ( path_is_absolute($path) ) + return $path; + + return rtrim($base, '/') . '/' . ltrim($path, '/'); +} + // Returns an array containing the current upload directory's path and url, or an error message. -function wp_upload_dir() { - $siteurl = get_option('siteurl'); - //prepend ABSPATH to $dir and $siteurl to $url if they're not already there - $path = str_replace(ABSPATH, '', trim(get_option('upload_path'))); - $dir = ABSPATH . $path; - $url = trailingslashit($siteurl) . $path; - - if ( $dir == ABSPATH ) { //the option was empty - $dir = ABSPATH . 'wp-content/uploads'; - } +function wp_upload_dir( $time = NULL ) { + $siteurl = get_option( 'siteurl' ); + $upload_path = get_option( 'upload_path' ); + if ( trim($upload_path) === '' ) + $upload_path = 'wp-content/uploads'; + $dir = $upload_path; + + // $dir is absolute, $path is (maybe) relative to ABSPATH + $dir = path_join( ABSPATH, $upload_path ); + $path = str_replace( ABSPATH, '', trim( $upload_path ) ); + + if ( !$url = get_option( 'upload_url_path' ) ) + $url = trailingslashit( $siteurl ) . $path; if ( defined('UPLOADS') ) { $dir = ABSPATH . UPLOADS; - $url = trailingslashit($siteurl) . UPLOADS; + $url = trailingslashit( $siteurl ) . UPLOADS; } - if ( get_option('uploads_use_yearmonth_folders')) { + $subdir = ''; + if ( get_option( 'uploads_use_yearmonth_folders' ) ) { // Generate the yearly and monthly dirs - $time = current_time( 'mysql' ); + if ( !$time ) + $time = current_time( 'mysql' ); $y = substr( $time, 0, 4 ); $m = substr( $time, 5, 2 ); - $dir = $dir . "/$y/$m"; - $url = $url . "/$y/$m"; + $subdir = "/$y/$m"; } + $dir .= $subdir; + $url .= $subdir; + // Make sure we have an uploads dir if ( ! wp_mkdir_p( $dir ) ) { - $message = sprintf(__('Unable to create directory %s. Is its parent directory writable by the server?'), $dir); - return array('error' => $message); + $message = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), $dir ); + return array( 'error' => $message ); } - $uploads = array('path' => $dir, 'url' => $url, 'error' => false); - return apply_filters('upload_dir', $uploads); + $uploads = array( 'path' => $dir, 'url' => $url, 'subdir' => $subdir, 'error' => false ); + return apply_filters( 'upload_dir', $uploads ); } -function wp_upload_bits($name, $type, $bits) { - if ( empty($name) ) - return array('error' => __("Empty filename")); +// return a filename that is sanitized and unique for the given directory +function wp_unique_filename( $dir, $filename, $unique_filename_callback = NULL ) { + $filename = strtolower( $filename ); + // separate the filename into a name and extension + $info = pathinfo($filename); + $ext = $info['extension']; + $name = basename($filename, ".{$ext}"); + + // edge case: if file is named '.ext', treat as an empty name + if( $name === ".$ext" ) + $name = ''; - $wp_filetype = wp_check_filetype($name); + // Increment the file number until we have a unique file to save in $dir. Use $override['unique_filename_callback'] if supplied. + if ( $unique_filename_callback && function_exists( $unique_filename_callback ) ) { + $filename = $unique_filename_callback( $dir, $name ); + } else { + $number = ''; + + if ( empty( $ext ) ) + $ext = ''; + else + $ext = strtolower( ".$ext" ); + + $filename = str_replace( $ext, '', $filename ); + // Strip % so the server doesn't try to decode entities. + $filename = str_replace('%', '', sanitize_title_with_dashes( $filename ) ) . $ext; + + while ( file_exists( $dir . "/$filename" ) ) { + if ( '' == "$number$ext" ) + $filename = $filename . ++$number . $ext; + else + $filename = str_replace( "$number$ext", ++$number . $ext, $filename ); + } + } + + return $filename; +} + +function wp_upload_bits( $name, $deprecated, $bits, $time = NULL ) { + if ( empty( $name ) ) + return array( 'error' => __( "Empty filename" ) ); + + $wp_filetype = wp_check_filetype( $name ); if ( !$wp_filetype['ext'] ) - return array('error' => __("Invalid file type")); + return array( 'error' => __( "Invalid file type" ) ); - $upload = wp_upload_dir(); + $upload = wp_upload_dir( $time ); if ( $upload['error'] !== false ) return $upload; - $number = ''; - $filename = $name; - $path_parts = pathinfo($filename); - $ext = $path_parts['extension']; - if ( empty($ext) ) - $ext = ''; - else - $ext = ".$ext"; - while ( file_exists($upload['path'] . "/$filename") ) { - if ( '' == "$number$ext" ) - $filename = $filename . ++$number . $ext; - else - $filename = str_replace("$number$ext", ++$number . $ext, $filename); - } + $filename = wp_unique_filename( $upload['path'], $name ); $new_file = $upload['path'] . "/$filename"; - if ( ! wp_mkdir_p( dirname($new_file) ) ) { - $message = sprintf(__('Unable to create directory %s. Is its parent directory writable by the server?'), dirname($new_file)); - return array('error' => $message); + if ( ! wp_mkdir_p( dirname( $new_file ) ) ) { + $message = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), dirname( $new_file ) ); + return array( 'error' => $message ); } - $ifp = @ fopen($new_file, 'wb'); + $ifp = @ fopen( $new_file, 'wb' ); if ( ! $ifp ) - return array('error' => sprintf(__('Could not write file %s'), $new_file)); + return array( 'error' => sprintf( __( 'Could not write file %s' ), $new_file ) ); - $success = @ fwrite($ifp, $bits); - fclose($ifp); + @fwrite( $ifp, $bits ); + fclose( $ifp ); // Set correct file permissions - $stat = @ stat(dirname($new_file)); + $stat = @ stat( dirname( $new_file ) ); $perms = $stat['mode'] & 0007777; $perms = $perms & 0000666; - @ chmod($new_file, $perms); + @ chmod( $new_file, $perms ); // Compute the URL $url = $upload['url'] . "/$filename"; - return array('file' => $new_file, 'url' => $url, 'error' => false); + return array( 'file' => $new_file, 'url' => $url, 'error' => false ); } -function wp_check_filetype($filename, $mimes = null) { +function wp_ext2type( $ext ) { + $ext2type = apply_filters('ext2type', array( + 'audio' => array('aac','ac3','aif','aiff','mp1','mp2','mp3','m3a','m4a','m4b','ogg','ram','wav','wma'), + 'video' => array('asf','avi','divx','dv','mov','mpg','mpeg','mp4','mpv','ogm','qt','rm','vob','wmv'), + 'document' => array('doc','pages','odt','rtf','pdf'), + 'spreadsheet' => array('xls','numbers','ods'), + 'interactive' => array('ppt','key','odp','swf'), + 'text' => array('txt'), + 'archive' => array('tar','bz2','gz','cab','dmg','rar','sea','sit','sqx','zip'), + 'code' => array('css','html','php','js'), + )); + foreach ( $ext2type as $type => $exts ) + if ( in_array($ext, $exts) ) + return $type; +} + +function wp_check_filetype( $filename, $mimes = null ) { // Accepted MIME types are set here as PCRE unless provided. - $mimes = is_array($mimes) ? $mimes : apply_filters('upload_mimes', array ( + $mimes = ( is_array( $mimes ) ) ? $mimes : apply_filters( 'upload_mimes', array( 'jpg|jpeg|jpe' => 'image/jpeg', 'gif' => 'image/gif', 'png' => 'image/png', @@ -1065,12 +1223,12 @@ function wp_check_filetype($filename, $mimes = null) { 'asf|asx|wax|wmv|wmx' => 'video/asf', 'avi' => 'video/avi', 'mov|qt' => 'video/quicktime', - 'mpeg|mpg|mpe' => 'video/mpeg', + 'mpeg|mpg|mpe|mp4' => 'video/mpeg', 'txt|c|cc|h' => 'text/plain', 'rtx' => 'text/richtext', 'css' => 'text/css', 'htm|html' => 'text/html', - 'mp3|mp4' => 'audio/mpeg', + 'mp3|m4a' => 'audio/mpeg', 'ra|ram' => 'audio/x-realaudio', 'wav' => 'audio/wav', 'ogg' => 'audio/ogg', @@ -1099,127 +1257,110 @@ function wp_check_filetype($filename, $mimes = null) { 'odc' => 'application/vnd.oasis.opendocument.chart', 'odb' => 'application/vnd.oasis.opendocument.database', 'odf' => 'application/vnd.oasis.opendocument.formula', - - )); + ) + ); $type = false; $ext = false; - foreach ($mimes as $ext_preg => $mime_match) { + foreach ( $mimes as $ext_preg => $mime_match ) { $ext_preg = '!\.(' . $ext_preg . ')$!i'; - if ( preg_match($ext_preg, $filename, $ext_matches) ) { + if ( preg_match( $ext_preg, $filename, $ext_matches ) ) { $type = $mime_match; $ext = $ext_matches[1]; break; } } - return compact('ext', 'type'); + return compact( 'ext', 'type' ); } -function wp_explain_nonce($action) { - if ( $action !== -1 && preg_match('/([a-z]+)-([a-z]+)(_(.+))?/', $action, $matches) ) { +function wp_explain_nonce( $action ) { + if ( $action !== -1 && preg_match( '/([a-z]+)-([a-z]+)(_(.+))?/', $action, $matches ) ) { $verb = $matches[1]; $noun = $matches[2]; $trans = array(); - $trans['update']['attachment'] = array(__('Are you sure you want to edit this attachment: "%s"?'), 'get_the_title'); - - $trans['add']['category'] = array(__('Are you sure you want to add this category?'), false); - $trans['delete']['category'] = array(__('Are you sure you want to delete this category: "%s"?'), 'get_catname'); - $trans['update']['category'] = array(__('Are you sure you want to edit this category: "%s"?'), 'get_catname'); - - $trans['delete']['comment'] = array(__('Are you sure you want to delete this comment: "%s"?'), 'use_id'); - $trans['unapprove']['comment'] = array(__('Are you sure you want to unapprove this comment: "%s"?'), 'use_id'); - $trans['approve']['comment'] = array(__('Are you sure you want to approve this comment: "%s"?'), 'use_id'); - $trans['update']['comment'] = array(__('Are you sure you want to edit this comment: "%s"?'), 'use_id'); - $trans['bulk']['comments'] = array(__('Are you sure you want to bulk modify comments?'), false); - $trans['moderate']['comments'] = array(__('Are you sure you want to moderate comments?'), false); - - $trans['add']['bookmark'] = array(__('Are you sure you want to add this link?'), false); - $trans['delete']['bookmark'] = array(__('Are you sure you want to delete this link: "%s"?'), 'use_id'); - $trans['update']['bookmark'] = array(__('Are you sure you want to edit this link: "%s"?'), 'use_id'); - $trans['bulk']['bookmarks'] = array(__('Are you sure you want to bulk modify links?'), false); - - $trans['add']['page'] = array(__('Are you sure you want to add this page?'), false); - $trans['delete']['page'] = array(__('Are you sure you want to delete this page: "%s"?'), 'get_the_title'); - $trans['update']['page'] = array(__('Are you sure you want to edit this page: "%s"?'), 'get_the_title'); - - $trans['edit']['plugin'] = array(__('Are you sure you want to edit this plugin file: "%s"?'), 'use_id'); - $trans['activate']['plugin'] = array(__('Are you sure you want to activate this plugin: "%s"?'), 'use_id'); - $trans['deactivate']['plugin'] = array(__('Are you sure you want to deactivate this plugin: "%s"?'), 'use_id'); - - $trans['add']['post'] = array(__('Are you sure you want to add this post?'), false); - $trans['delete']['post'] = array(__('Are you sure you want to delete this post: "%s"?'), 'get_the_title'); - $trans['update']['post'] = array(__('Are you sure you want to edit this post: "%s"?'), 'get_the_title'); - - $trans['add']['user'] = array(__('Are you sure you want to add this user?'), false); - $trans['delete']['users'] = array(__('Are you sure you want to delete users?'), false); - $trans['bulk']['users'] = array(__('Are you sure you want to bulk modify users?'), false); - $trans['update']['user'] = array(__('Are you sure you want to edit this user: "%s"?'), 'get_author_name'); - $trans['update']['profile'] = array(__('Are you sure you want to modify the profile for: "%s"?'), 'get_author_name'); - - $trans['update']['options'] = array(__('Are you sure you want to edit your settings?'), false); - $trans['update']['permalink'] = array(__('Are you sure you want to change your permalink structure to: %s?'), 'use_id'); - $trans['edit']['file'] = array(__('Are you sure you want to edit this file: "%s"?'), 'use_id'); - $trans['edit']['theme'] = array(__('Are you sure you want to edit this theme file: "%s"?'), 'use_id'); - $trans['switch']['theme'] = array(__('Are you sure you want to switch to this theme: "%s"?'), 'use_id'); - - if ( isset($trans[$verb][$noun]) ) { - if ( !empty($trans[$verb][$noun][1]) ) { + $trans['update']['attachment'] = array( __( 'Your attempt to edit this attachment: "%s" has failed.' ), 'get_the_title' ); + + $trans['add']['category'] = array( __( 'Your attempt to add this category has failed.' ), false ); + $trans['delete']['category'] = array( __( 'Your attempt to delete this category: "%s" has failed.' ), 'get_catname' ); + $trans['update']['category'] = array( __( 'Your attempt to edit this category: "%s" has failed.' ), 'get_catname' ); + + $trans['delete']['comment'] = array( __( 'Your attempt to delete this comment: "%s" has failed.' ), 'use_id' ); + $trans['unapprove']['comment'] = array( __( 'Your attempt to unapprove this comment: "%s" has failed.' ), 'use_id' ); + $trans['approve']['comment'] = array( __( 'Your attempt to approve this comment: "%s" has failed.' ), 'use_id' ); + $trans['update']['comment'] = array( __( 'Your attempt to edit this comment: "%s" has failed.' ), 'use_id' ); + $trans['bulk']['comments'] = array( __( 'Your attempt to bulk modify comments has failed.' ), false ); + $trans['moderate']['comments'] = array( __( 'Your attempt to moderate comments has failed.' ), false ); + + $trans['add']['bookmark'] = array( __( 'Your attempt to add this link has failed.' ), false ); + $trans['delete']['bookmark'] = array( __( 'Your attempt to delete this link: "%s" has failed.' ), 'use_id' ); + $trans['update']['bookmark'] = array( __( 'Your attempt to edit this link: "%s" has failed.' ), 'use_id' ); + $trans['bulk']['bookmarks'] = array( __( 'Your attempt to bulk modify links has failed.' ), false ); + + $trans['add']['page'] = array( __( 'Your attempt to add this page has failed.' ), false ); + $trans['delete']['page'] = array( __( 'Your attempt to delete this page: "%s" has failed.' ), 'get_the_title' ); + $trans['update']['page'] = array( __( 'Your attempt to edit this page: "%s" has failed.' ), 'get_the_title' ); + + $trans['edit']['plugin'] = array( __( 'Your attempt to edit this plugin file: "%s" has failed.' ), 'use_id' ); + $trans['activate']['plugin'] = array( __( 'Your attempt to activate this plugin: "%s" has failed.' ), 'use_id' ); + $trans['deactivate']['plugin'] = array( __( 'Your attempt to deactivate this plugin: "%s" has failed.' ), 'use_id' ); + $trans['upgrade']['plugin'] = array( __( 'Your attempt to upgrade this plugin: "%s" has failed.' ), 'use_id' ); + + $trans['add']['post'] = array( __( 'Your attempt to add this post has failed.' ), false ); + $trans['delete']['post'] = array( __( 'Your attempt to delete this post: "%s" has failed.' ), 'get_the_title' ); + $trans['update']['post'] = array( __( 'Your attempt to edit this post: "%s" has failed.' ), 'get_the_title' ); + + $trans['add']['user'] = array( __( 'Your attempt to add this user has failed.' ), false ); + $trans['delete']['users'] = array( __( 'Your attempt to delete users has failed.' ), false ); + $trans['bulk']['users'] = array( __( 'Your attempt to bulk modify users has failed.' ), false ); + $trans['update']['user'] = array( __( 'Your attempt to edit this user: "%s" has failed.' ), 'get_author_name' ); + $trans['update']['profile'] = array( __( 'Your attempt to modify the profile for: "%s" has failed.' ), 'get_author_name' ); + + $trans['update']['options'] = array( __( 'Your attempt to edit your settings has failed.' ), false ); + $trans['update']['permalink'] = array( __( 'Your attempt to change your permalink structure to: %s has failed.' ), 'use_id' ); + $trans['edit']['file'] = array( __( 'Your attempt to edit this file: "%s" has failed.' ), 'use_id' ); + $trans['edit']['theme'] = array( __( 'Your attempt to edit this theme file: "%s" has failed.' ), 'use_id' ); + $trans['switch']['theme'] = array( __( 'Your attempt to switch to this theme: "%s" has failed.' ), 'use_id' ); + + if ( isset( $trans[$verb][$noun] ) ) { + if ( !empty( $trans[$verb][$noun][1] ) ) { $lookup = $trans[$verb][$noun][1]; $object = $matches[4]; if ( 'use_id' != $lookup ) - $object = call_user_func($lookup, $object); - return sprintf($trans[$verb][$noun][0], $object); + $object = call_user_func( $lookup, $object ); + return sprintf( $trans[$verb][$noun][0], wp_specialchars($object) ); } else { return $trans[$verb][$noun][0]; } } } - return apply_filters( 'explain_nonce_' . $verb . '-' . $noun, __('Are you sure you want to do this?'), $matches[4] ); + return apply_filters( 'explain_nonce_' . $verb . '-' . $noun, __( 'Are you sure you want to do this?' ), $matches[4] ); } -function wp_nonce_ays($action) { - global $pagenow, $menu, $submenu, $parent_file, $submenu_file; - $adminurl = get_option('siteurl') . '/wp-admin'; +function wp_nonce_ays( $action ) { + $title = __( 'WordPress Failure Notice' ); + $html = wp_specialchars( wp_explain_nonce( $action ) ) . '</p>'; if ( wp_get_referer() ) - $adminurl = clean_url(wp_get_referer()); - - $title = __('WordPress Confirmation'); - // Remove extra layer of slashes. - $_POST = stripslashes_deep($_POST ); - if ( $_POST ) { - $q = http_build_query($_POST); - $q = explode( ini_get('arg_separator.output'), $q); - $html .= "\t<form method='post' action='" . attribute_escape($pagenow) . "'>\n"; - foreach ( (array) $q as $a ) { - $v = substr(strstr($a, '='), 1); - $k = substr($a, 0, -(strlen($v)+1)); - $html .= "\t\t<input type='hidden' name='" . attribute_escape(urldecode($k)) . "' value='" . attribute_escape(urldecode($v)) . "' />\n"; - } - $html .= "\t\t<input type='hidden' name='_wpnonce' value='" . wp_create_nonce($action) . "' />\n"; - $html .= "\t\t<div id='message' class='confirm fade'>\n\t\t<p>" . wp_specialchars(wp_explain_nonce($action)) . "</p>\n\t\t<p><a href='$adminurl'>" . __('No') . "</a> <input type='submit' value='" . __('Yes') . "' /></p>\n\t\t</div>\n\t</form>\n"; - } else { - $html .= "\t<div id='message' class='confirm fade'>\n\t<p>" . wp_specialchars(wp_explain_nonce($action)) . "</p>\n\t<p><a href='$adminurl'>" . __('No') . "</a> <a href='" . clean_url(add_query_arg( '_wpnonce', wp_create_nonce($action), $_SERVER['REQUEST_URI'] )) . "'>" . __('Yes') . "</a></p>\n\t</div>\n"; - } - $html .= "</body>\n</html>"; - wp_die($html, $title); + $html .= "<p><a href='" . remove_query_arg( 'updated', clean_url( wp_get_referer() ) ) . "'>" . __( 'Please try again.' ) . "</a>"; + wp_die( $html, $title); } + function wp_die( $message, $title = '' ) { global $wp_locale; if ( function_exists( 'is_wp_error' ) && is_wp_error( $message ) ) { - if ( empty($title) ) { + if ( empty( $title ) ) { $error_data = $message->get_error_data(); - if ( is_array($error_data) && isset($error_data['title']) ) + if ( is_array( $error_data ) && isset( $error_data['title'] ) ) $title = $error_data['title']; } $errors = $message->get_error_messages(); - switch ( count($errors) ) : + switch ( count( $errors ) ) : case 0 : $message = ''; break; @@ -1230,105 +1371,90 @@ function wp_die( $message, $title = '' ) { $message = "<ul>\n\t\t<li>" . join( "</li>\n\t\t<li>", $errors ) . "</li>\n\t</ul>"; break; endswitch; - } elseif ( is_string($message) ) { + } elseif ( is_string( $message ) ) { $message = "<p>$message</p>"; } - if ( defined('WP_SITEURL') && '' != WP_SITEURL ) - $admin_dir = WP_SITEURL.'/wp-admin/'; - elseif (function_exists('get_bloginfo') && '' != get_bloginfo('wpurl')) - $admin_dir = get_bloginfo('wpurl').'/wp-admin/'; - elseif (strpos($_SERVER['PHP_SELF'], 'wp-admin') !== false) + if ( defined( 'WP_SITEURL' ) && '' != WP_SITEURL ) + $admin_dir = WP_SITEURL . '/wp-admin/'; + elseif ( function_exists( 'get_bloginfo' ) && '' != get_bloginfo( 'wpurl' ) ) + $admin_dir = get_bloginfo( 'wpurl' ) . '/wp-admin/'; + elseif ( strpos( $_SERVER['PHP_SELF'], 'wp-admin' ) !== false ) $admin_dir = ''; else $admin_dir = 'wp-admin/'; - if ( !function_exists('did_action') || !did_action('admin_head') ) : + if ( !function_exists( 'did_action' ) || !did_action( 'admin_head' ) ) : if( !headers_sent() ){ - status_header(500); + status_header( 500 ); nocache_headers(); - header('Content-Type: text/html; charset=utf-8'); + header( 'Content-Type: text/html; charset=utf-8' ); } - if ( empty($title) ){ - if( function_exists('__') ) - $title = __('WordPress › Error'); + if ( empty($title) ) { + if ( function_exists( '__' ) ) + $title = __( 'WordPress › Error' ); else $title = 'WordPress › Error'; } ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> -<html xmlns="http://www.w3.org/1999/xhtml" <?php if ( function_exists('language_attributes') ) language_attributes(); ?>> +<html xmlns="http://www.w3.org/1999/xhtml" <?php if ( function_exists( 'language_attributes' ) ) language_attributes(); ?>> <head> - <title><?php echo $title ?> + <?php echo $title ?> text_direction) ) : ?> +if ( ( $wp_locale ) && ( 'rtl' == $wp_locale->text_direction ) ) : ?> - + -

WordPress

- text_direction) { - echo 'directionality : "rtl" ,'; - echo 'theme_advanced_toolbar_align : "right" ,'; - } + return $url; } -function _mce_load_rtl_plugin($input) { - global $wp_locale; - - if ('rtl' == $wp_locale->text_direction) - $input[] = 'directionality'; - - return $input; -} -function _mce_add_direction_buttons($input) { +function _mce_set_direction( $input ) { global $wp_locale; - if ('rtl' == $wp_locale->text_direction) { - $new_buttons = array('separator', 'ltr', 'rtl'); - $input = array_merge($input, $new_buttons); + if ( 'rtl' == $wp_locale->text_direction ) { + $input['directionality'] = 'rtl'; + $input['plugins'] .= ',directionality'; + $input['theme_advanced_buttons1'] .= ',ltr'; } return $input; } + function smilies_init() { global $wpsmiliestrans, $wp_smiliessearch, $wp_smiliesreplace; // don't bother setting up smilies if they are disabled - if ( !get_option('use_smilies') ) + if ( !get_option( 'use_smilies' ) ) return; - if (!isset($wpsmiliestrans)) { + if ( !isset( $wpsmiliestrans ) ) { $wpsmiliestrans = array( ':mrgreen:' => 'icon_mrgreen.gif', ':neutral:' => 'icon_neutral.gif', @@ -1377,48 +1503,67 @@ function smilies_init() { ); } - $siteurl = get_option('siteurl'); + $siteurl = get_option( 'siteurl' ); foreach ( (array) $wpsmiliestrans as $smiley => $img ) { - $wp_smiliessearch[] = '/(\s|^)'.preg_quote($smiley, '/').'(\s|$)/'; - $smiley_masked = htmlspecialchars(trim($smiley), ENT_QUOTES); + $wp_smiliessearch[] = '/(\s|^)' . preg_quote( $smiley, '/' ) . '(\s|$)/'; + $smiley_masked = attribute_escape( trim( $smiley ) ); $wp_smiliesreplace[] = " $smiley_masked "; } } + function wp_parse_args( $args, $defaults = '' ) { - if ( is_object($args) ) - $r = get_object_vars($args); - else if ( is_array( $args ) ) + if ( is_object( $args ) ) + $r = get_object_vars( $args ); + elseif ( is_array( $args ) ) $r =& $args; else wp_parse_str( $args, $r ); if ( is_array( $defaults ) ) return array_merge( $defaults, $r ); - else - return $r; + return $r; } + function wp_maybe_load_widgets() { if ( !function_exists( 'dynamic_sidebar' ) ) { - require_once ABSPATH . WPINC . '/widgets.php'; + require_once( ABSPATH . WPINC . '/widgets.php' ); add_action( '_admin_menu', 'wp_widgets_add_menu' ); } } + function wp_widgets_add_menu() { global $submenu; $submenu['themes.php'][7] = array( __( 'Widgets' ), 'switch_themes', 'widgets.php' ); - ksort($submenu['themes.php'], SORT_NUMERIC); + ksort( $submenu['themes.php'], SORT_NUMERIC ); } + // For PHP 5.2, make sure all output buffers are flushed // before our singletons our destroyed. -function wp_ob_end_flush_all() -{ +function wp_ob_end_flush_all() { while ( @ob_end_flush() ); } + +/* + * require_wp_db() - require_once the correct database class file. + * + * This function is used to load the database class file either at runtime or by wp-admin/setup-config.php + * We must globalise $wpdb to ensure that it is defined globally by the inline code in wp-db.php + * + * @global $wpdb + */ +function require_wp_db() { + global $wpdb; + if ( file_exists( ABSPATH . 'wp-content/db.php' ) ) + require_once( ABSPATH . 'wp-content/db.php' ); + else + require_once( ABSPATH . WPINC . '/wp-db.php' ); +} + function dead_db() { global $wpdb; @@ -1440,8 +1585,9 @@ function dead_db() { > + Database Error - +

Error establishing a database connection

@@ -1451,4 +1597,156 @@ function dead_db() { die(); } +/** + * Converts input to an absolute integer + * @param mixed $maybeint data you wish to have convered to an absolute integer + * @return int an absolute integer + */ +function absint( $maybeint ) { + return abs( intval( $maybeint ) ); +} + +/** + * Determines if the blog can be accessed over SSL + * @return bool whether of not SSL access is available + */ +function url_is_accessable_via_ssl($url) +{ + if (in_array('curl', get_loaded_extensions())) { + $ssl = preg_replace( '/^http:\/\//', 'https://', $url ); + + $ch = curl_init(); + curl_setopt($ch, CURLOPT_URL, $ssl); + curl_setopt($ch, CURLOPT_FAILONERROR, true); + curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); + curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); + + curl_exec($ch); + + $status = curl_getinfo($ch, CURLINFO_HTTP_CODE); + curl_close ($ch); + + if ($status == 200 || $status == 401) { + return true; + } + } + return false; +} + +function atom_service_url_filter($url) +{ + if ( url_is_accessable_via_ssl($url) ) + return preg_replace( '/^http:\/\//', 'https://', $url ); + else + return $url; +} + +/** + * _deprecated_function() - Marks a function as deprecated and informs when it has been used. + * + * There is a hook deprecated_function_run that will be called that can be used to get the backtrace + * up to what file and function called the deprecated function. + * + * The current behavior is to trigger an user error if WP_DEBUG is defined and is true. + * + * This function is to be used in every function in depreceated.php + * + * @package WordPress + * @package Debug + * @since 2.5 + * @access private + * + * @uses do_action() Calls 'deprecated_function_run' and passes the function name and what to use instead. + * @uses apply_filters() Calls 'deprecated_function_trigger_error' and expects boolean value of true to do trigger or false to not trigger error. + * + * @param string $function The function that was called + * @param string $version The version of WordPress that depreceated the function + * @param string $replacement Optional. The function that should have been called + */ +function _deprecated_function($function, $version, $replacement=null) { + + do_action('deprecated_function_run', $function, $replacement); + + // Allow plugin to filter the output error trigger + if( defined('WP_DEBUG') && ( true === WP_DEBUG ) && apply_filters( 'deprecated_function_trigger_error', true )) { + if( !is_null($replacement) ) + trigger_error( printf( __("%1$s is deprecated since version %2$s! Use %3$s instead."), $function, $version, $replacement ) ); + else + trigger_error( printf( __("%1$s is deprecated since version %2$s with no alternative available."), $function, $version ) ); + } +} + +/** + * _deprecated_file() - Marks a file as deprecated and informs when it has been used. + * + * There is a hook deprecated_file_included that will be called that can be used to get the backtrace + * up to what file and function included the deprecated file. + * + * The current behavior is to trigger an user error if WP_DEBUG is defined and is true. + * + * This function is to be used in every file that is depreceated + * + * @package WordPress + * @package Debug + * @since 2.5 + * @access private + * + * @uses do_action() Calls 'deprecated_file_included' and passes the file name and what to use instead. + * @uses apply_filters() Calls 'deprecated_file_trigger_error' and expects boolean value of true to do trigger or false to not trigger error. + * + * @param string $file The file that was included + * @param string $version The version of WordPress that depreceated the function + * @param string $replacement Optional. The function that should have been called + */ +function _deprecated_file($file, $version, $replacement=null) { + + do_action('deprecated_file_included', $file, $replacement); + + // Allow plugin to filter the output error trigger + if( defined('WP_DEBUG') && ( true === WP_DEBUG ) && apply_filters( 'deprecated_file_trigger_error', true )) { + if( !is_null($replacement) ) + trigger_error( printf( __("%1$s is deprecated since version %2$s! Use %3$s instead."), $file, $version, $replacement ) ); + else + trigger_error( printf( __("%1$s is deprecated since version %2$s with no alternative available."), $file, $version ) ); + } +} + +/** + * is_lighttpd_before_150() - Is the server running earlier than 1.5.0 version of lighttpd + * + * @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' ); +} + +/** + * apache_mod_loaded() - Does the specified module exist in the apache config? + * + * @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; +} + ?>