X-Git-Url: https://scripts.mit.edu/gitweb/autoinstalls/wordpress.git/blobdiff_plain/11be8dc178e77d0b46189bbd8e33a216a9b90942..refs/tags/wordpress-2.9.2:/wp-includes/functions.php diff --git a/wp-includes/functions.php b/wp-includes/functions.php index 3ff8821a..1df479e6 100644 --- a/wp-includes/functions.php +++ b/wp-includes/functions.php @@ -29,48 +29,18 @@ function mysql2date( $dateformatstring, $mysqlstring, $translate = true ) { return false; if( 'G' == $dateformatstring ) { - return gmmktime( - (int) substr( $m, 11, 2 ), (int) substr( $m, 14, 2 ), (int) substr( $m, 17, 2 ), - (int) substr( $m, 5, 2 ), (int) substr( $m, 8, 2 ), (int) substr( $m, 0, 4 ) - ); + return strtotime( $m . ' +0000' ); } - $i = mktime( - (int) substr( $m, 11, 2 ), (int) substr( $m, 14, 2 ), (int) substr( $m, 17, 2 ), - (int) substr( $m, 5, 2 ), (int) substr( $m, 8, 2 ), (int) substr( $m, 0, 4 ) - ); + $i = strtotime( $m ); if( 'U' == $dateformatstring ) return $i; - if ( -1 == $i || false == $i ) - $i = 0; - - 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; + if ( $translate) + return date_i18n( $dateformatstring, $i ); + else + return date( $dateformatstring, $i ); } /** @@ -108,8 +78,9 @@ function current_time( $type, $gmt = 0 ) { * * @since 0.71 * - * @param string $dateformatstring Format to display the date - * @param int $unixtimestamp Unix timestamp + * @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 ) { @@ -126,6 +97,10 @@ function date_i18n( $dateformatstring, $unixtimestamp = false, $gmt = false ) { $gmt = true; } + // store original value for language with untypical grammars + // see http://core.trac.wordpress.org/ticket/9396 + $req_format = $dateformatstring; + $datefunc = $gmt? 'gmdate' : 'date'; if ( ( !empty( $wp_locale->month ) ) && ( !empty( $wp_locale->weekday ) ) ) { @@ -146,6 +121,8 @@ function date_i18n( $dateformatstring, $unixtimestamp = false, $gmt = false ) { $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; } @@ -163,7 +140,10 @@ function number_format_i18n( $number, $decimals = null ) { // let the user override the precision only $decimals = ( is_null( $decimals ) ) ? $wp_locale->number_format['decimals'] : intval( $decimals ); - return number_format( $number, $decimals, $wp_locale->number_format['decimal_point'], $wp_locale->number_format['thousands_sep'] ); + $num = number_format( $number, $decimals, $wp_locale->number_format['decimal_point'], $wp_locale->number_format['thousands_sep'] ); + + // let the user translate digits from latin to localized language + return apply_filters( 'number_format_i18n', $num ); } /** @@ -249,8 +229,7 @@ function get_weekstartend( $mysqlstring, $start_of_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 ) ) - return $gm; + return @unserialize( $original ); return $original; } @@ -403,13 +382,13 @@ function get_option( $setting, $default = false ) { 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 ) ) ); + die( sprintf( __( '%s is a protected WP option and may not be modified' ), esc_html( $option ) ) ); } /** * Print option value after sanitizing for forms. * - * @uses attribute_escape Sanitizes value. + * @uses attr Sanitizes value. * @since 1.5.0 * @package WordPress * @subpackage Option @@ -417,7 +396,7 @@ function wp_protect_special_option( $option ) { * @param string $option Option name. */ function form_option( $option ) { - echo attribute_escape (get_option( $option ) ); + echo esc_attr(get_option( $option ) ); } /** @@ -495,10 +474,15 @@ function wp_load_alloptions() { * value, but you will not be able to set whether it is autoloaded. If you want * to set whether an option autoloaded, then you need to use the add_option(). * - * When the option is updated, then the filter named - * 'update_option_$option_name', with the $option_name as the $option_name + * Before the option is updated, then the filter named + * 'pre_update_option_$option_name', with the $option_name as the $option_name * parameter value, will be called. The hook should accept two parameters, the - * first is the old parameter and the second is the new parameter. + * first is the new value and the second is the old value. Whatever is + * returned will be used as the new value. + * + * After the value has been updated the action named 'update_option_$option_name' + * will be called. This action receives two parameters the first being the old + * value and the second the new value. * * @since 1.0.0 * @package WordPress @@ -513,7 +497,7 @@ function update_option( $option_name, $newvalue ) { wp_protect_special_option( $option_name ); - $safe_option_name = $wpdb->escape( $option_name ); + $safe_option_name = esc_sql( $option_name ); $newvalue = sanitize_option( $option_name, $newvalue ); $oldvalue = get_option( $safe_option_name ); @@ -538,6 +522,7 @@ function update_option( $option_name, $newvalue ) { $_newvalue = $newvalue; $newvalue = maybe_serialize( $newvalue ); + do_action( 'update_option', $option_name, $oldvalue, $newvalue ); $alloptions = wp_load_alloptions(); if ( isset( $alloptions[$option_name] ) ) { $alloptions[$option_name] = $newvalue; @@ -546,9 +531,11 @@ function update_option( $option_name, $newvalue ) { wp_cache_set( $option_name, $newvalue, 'options' ); } - $wpdb->query( $wpdb->prepare( "UPDATE $wpdb->options SET option_value = %s WHERE option_name = %s", $newvalue, $option_name ) ); + $wpdb->update($wpdb->options, array('option_value' => $newvalue), array('option_name' => $option_name) ); + if ( $wpdb->rows_affected == 1 ) { do_action( "update_option_{$option_name}", $oldvalue, $_newvalue ); + do_action( 'updated_option', $option_name, $oldvalue, $_newvalue ); return true; } return false; @@ -586,7 +573,7 @@ function add_option( $name, $value = '', $deprecated = '', $autoload = 'yes' ) { global $wpdb; wp_protect_special_option( $name ); - $safe_name = $wpdb->escape( $name ); + $safe_name = esc_sql( $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 @@ -597,7 +584,7 @@ function add_option( $name, $value = '', $deprecated = '', $autoload = 'yes' ) { $value = maybe_serialize( $value ); $autoload = ( 'no' === $autoload ) ? 'no' : 'yes'; - + do_action( 'add_option', $name, $value ); if ( 'yes' == $autoload ) { $alloptions = wp_load_alloptions(); $alloptions[$name] = $value; @@ -613,9 +600,11 @@ function add_option( $name, $value = '', $deprecated = '', $autoload = 'yes' ) { wp_cache_set( 'notoptions', $notoptions, 'options' ); } - $wpdb->query( $wpdb->prepare( "INSERT INTO $wpdb->options (option_name, option_value, autoload) VALUES (%s, %s, %s)", $name, $value, $autoload ) ); + $wpdb->query( $wpdb->prepare( "INSERT INTO `$wpdb->options` (`option_name`, `option_value`, `autoload`) VALUES (%s, %s, %s) ON DUPLICATE KEY UPDATE `option_name` = VALUES(`option_name`), `option_value` = VALUES(`option_value`), `autoload` = VALUES(`autoload`)", $name, $value, $autoload ) ); do_action( "add_option_{$name}", $name, $value ); + do_action( 'added_option', $name, $value ); + return; } @@ -636,9 +625,10 @@ function delete_option( $name ) { // Get the ID, if no ID then return // expected_slashed ($name) - $option = $wpdb->get_row( "SELECT option_id, autoload FROM $wpdb->options WHERE option_name = '$name'" ); - if ( is_null($option) || !$option->option_id ) + $option = $wpdb->get_row( "SELECT autoload FROM $wpdb->options WHERE option_name = '$name'" ); + if ( is_null($option) ) return false; + do_action( 'delete_option', $name ); // expected_slashed ($name) $wpdb->query( "DELETE FROM $wpdb->options WHERE option_name = '$name'" ); if ( 'yes' == $option->autoload ) { @@ -650,9 +640,111 @@ function delete_option( $name ) { } else { wp_cache_delete( $name, 'options' ); } + do_action( 'deleted_option', $name ); return true; } +/** + * Delete a transient + * + * @since 2.8.0 + * @package WordPress + * @subpackage Transient + * + * @param string $transient Transient name. Expected to not be SQL-escaped + * @return bool true if successful, false otherwise + */ +function delete_transient($transient) { + global $_wp_using_ext_object_cache, $wpdb; + + if ( $_wp_using_ext_object_cache ) { + return wp_cache_delete($transient, 'transient'); + } else { + $transient = '_transient_' . esc_sql($transient); + return delete_option($transient); + } +} + +/** + * Get the value of a transient + * + * If the transient does not exist or does not have a value, then the return value + * will be false. + * + * @since 2.8.0 + * @package WordPress + * @subpackage Transient + * + * @param string $transient Transient name. Expected to not be SQL-escaped + * @return mixed Value of transient + */ +function get_transient($transient) { + global $_wp_using_ext_object_cache, $wpdb; + + $pre = apply_filters( 'pre_transient_' . $transient, false ); + if ( false !== $pre ) + return $pre; + + if ( $_wp_using_ext_object_cache ) { + $value = wp_cache_get($transient, 'transient'); + } else { + $transient_option = '_transient_' . esc_sql($transient); + // If option is not in alloptions, it is not autoloaded and thus has a timeout + $alloptions = wp_load_alloptions(); + if ( !isset( $alloptions[$transient_option] ) ) { + $transient_timeout = '_transient_timeout_' . esc_sql($transient); + if ( get_option($transient_timeout) < time() ) { + delete_option($transient_option); + delete_option($transient_timeout); + return false; + } + } + + $value = get_option($transient_option); + } + + return apply_filters('transient_' . $transient, $value); +} + +/** + * Set/update the value of a transient + * + * You do not need to serialize values, if the value needs to be serialize, then + * it will be serialized before it is set. + * + * @since 2.8.0 + * @package WordPress + * @subpackage Transient + * + * @param string $transient Transient name. Expected to not be SQL-escaped + * @param mixed $value Transient value. + * @param int $expiration Time until expiration in seconds, default 0 + * @return bool False if value was not set and true if value was set. + */ +function set_transient($transient, $value, $expiration = 0) { + global $_wp_using_ext_object_cache, $wpdb; + + if ( $_wp_using_ext_object_cache ) { + return wp_cache_set($transient, $value, 'transient', $expiration); + } else { + $transient_timeout = '_transient_timeout_' . $transient; + $transient = '_transient_' . $transient; + $safe_transient = esc_sql($transient); + if ( false === get_option( $safe_transient ) ) { + $autoload = 'yes'; + if ( 0 != $expiration ) { + $autoload = 'no'; + add_option($transient_timeout, time() + $expiration, '', 'no'); + } + return add_option($transient, $value, '', $autoload); + } else { + if ( 0 != $expiration ) + update_option($transient_timeout, time() + $expiration); + return update_option($transient, $value); + } + } +} + /** * Saves and restores user interface settings stored in a cookie. * @@ -697,6 +789,7 @@ function wp_user_settings() { setcookie( 'wp-settings-' . $user->ID, $settings, time() + 31536000, SITECOOKIEPATH ); setcookie( 'wp-settings-time-' . $user->ID, time(), time() + 31536000, SITECOOKIEPATH ); + $_COOKIE['wp-settings-' . $user->ID] = $settings; } /** @@ -712,44 +805,73 @@ function wp_user_settings() { */ function get_user_setting( $name, $default = false ) { - $arr = get_all_user_settings(); + $all = get_all_user_settings(); + + return isset($all[$name]) ? $all[$name] : $default; +} + +/** + * Add or update user interface setting. + * + * Both $name and $value can contain only ASCII letters, numbers and underscores. + * This function has to be used before any output has started as it calls setcookie(). + * + * @package WordPress + * @subpackage Option + * @since 2.8.0 + * + * @param string $name The name of the setting. + * @param string $value The value for the setting. + * @return bool true if set successfully/false if not. + */ +function set_user_setting( $name, $value ) { + + if ( headers_sent() ) + return false; + + $all = get_all_user_settings(); + $name = preg_replace( '/[^A-Za-z0-9_]+/', '', $name ); + + if ( empty($name) ) + return false; + + $all[$name] = $value; - return isset($arr[$name]) ? $arr[$name] : $default; + return wp_set_all_user_settings($all); } /** * Delete user interface settings. * * Deleting settings would reset them to the defaults. + * This function has to be used before any output has started as it calls setcookie(). * * @package WordPress * @subpackage Option * @since 2.7.0 * * @param mixed $names The name or array of names of the setting to be deleted. + * @return bool true if deleted successfully/false if not. */ function delete_user_setting( $names ) { - global $current_user; - $arr = get_all_user_settings(); + if ( headers_sent() ) + return false; + + $all = get_all_user_settings(); $names = (array) $names; foreach ( $names as $name ) { - if ( isset($arr[$name]) ) { - unset($arr[$name]); - $settings = ''; + if ( isset($all[$name]) ) { + unset($all[$name]); + $deleted = true; } } - if ( isset($settings) ) { - foreach ( $arr as $k => $v ) - $settings .= $k . '=' . $v . '&'; + if ( isset($deleted) ) + return wp_set_all_user_settings($all); - $settings = rtrim($settings, '&'); - - update_user_option( $current_user->ID, 'user-settings', $settings ); - setcookie('wp-settings-'.$current_user->ID, $settings, time() + 31536000, SITECOOKIEPATH); - } + return false; } /** @@ -762,19 +884,57 @@ function delete_user_setting( $names ) { * @return array the last saved user settings or empty array. */ function get_all_user_settings() { + global $_updated_user_settings; + if ( ! $user = wp_get_current_user() ) return array(); - if ( isset($_COOKIE['wp-settings-'.$user->ID]) ) { - $cookie = preg_replace( '/[^A-Za-z0-9=&_]/', '', $_COOKIE['wp-settings-'.$user->ID] ); + if ( isset($_updated_user_settings) && is_array($_updated_user_settings) ) + return $_updated_user_settings; - if ( $cookie && strpos($cookie, '=') ) { // the '=' cannot be 1st char - parse_str($cookie, $arr); - return $arr; - } + $all = array(); + if ( isset($_COOKIE['wp-settings-' . $user->ID]) ) { + $cookie = preg_replace( '/[^A-Za-z0-9=&_]/', '', $_COOKIE['wp-settings-' . $user->ID] ); + + if ( $cookie && strpos($cookie, '=') ) // the '=' cannot be 1st char + parse_str($cookie, $all); + + } else { + $option = get_user_option('user-settings', $user->ID); + if ( $option && is_string($option) ) + parse_str( $option, $all ); } - return array(); + return $all; +} + +/** + * Private. Set all user interface settings. + * + * @package WordPress + * @subpackage Option + * @since 2.8.0 + * + */ +function wp_set_all_user_settings($all) { + global $_updated_user_settings; + + if ( ! $user = wp_get_current_user() ) + return false; + + $_updated_user_settings = $all; + $settings = ''; + foreach ( $all as $k => $v ) { + $v = preg_replace( '/[^A-Za-z0-9_]+/', '', $v ); + $settings .= $k . '=' . $v . '&'; + } + + $settings = rtrim($settings, '&'); + + update_user_option( $user->ID, 'user-settings', $settings, false ); + update_user_option( $user->ID, 'user-settings-time', time(), false ); + + return true; } /** @@ -788,8 +948,8 @@ function delete_all_user_settings() { if ( ! $user = wp_get_current_user() ) return; - delete_usermeta( $user->ID, 'user-settings' ); - setcookie('wp-settings-'.$user->ID, ' ', time() - 31536000, SITECOOKIEPATH); + update_user_option( $user->ID, 'user-settings', '', false ); + setcookie('wp-settings-' . $user->ID, ' ', time() - 31536000, SITECOOKIEPATH); } /** @@ -810,34 +970,6 @@ function maybe_serialize( $data ) { return $data; } -/** - * Strip HTML and put links at the bottom of stripped content. - * - * Searches for all of the links, strips them out of the content, and places - * them at the bottom of the content with numbers. - * - * @since 0.71 - * - * @param string $content Content to get links - * @return string HTML stripped out of content with links at the bottom. - */ -function make_url_footnote( $content ) { - preg_match_all( '/(.+?)<\/a>/', $content, $matches ); - $links_summary = "\n"; - for ( $i=0; $i(.+?)<\/title>/is', $content, $matchtitle ) ) { - $post_title = $matchtitle[0]; - $post_title = preg_replace( '//si', '', $post_title ); - $post_title = preg_replace( '/<\/title>/si', '', $post_title ); + $post_title = $matchtitle[1]; } else { $post_title = $post_default_title; } @@ -977,7 +1107,8 @@ function debug_fclose( $fp ) { /** * Check content for video and audio links to add as enclosures. * - * Will not add enclosures that have already been added. This is called as + * Will not add enclosures that have already been added and will + * remove enclosures that are no longer in the post. This is called as * pingbacks and trackbacks. * * @package WordPress @@ -1008,6 +1139,15 @@ function do_enclose( $content, $post_ID ) { debug_fwrite( $log, 'Post contents:' ); debug_fwrite( $log, $content . "\n" ); + foreach ( $pung as $link_test ) { + if ( !in_array( $link_test, $post_links_temp[0] ) ) { // link no longer in post + $mid = $wpdb->get_col( $wpdb->prepare("SELECT meta_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE (%s)", $post_ID, $link_test . '%') ); + do_action( 'delete_postmeta', $mid ); + $wpdb->query( $wpdb->prepare("DELETE FROM $wpdb->postmeta WHERE post_id IN(%s)", implode( ',', $mid ) ) ); + do_action( 'deleted_postmeta', $mid ); + } + } + foreach ( (array) $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 ); @@ -1022,12 +1162,12 @@ function do_enclose( $content, $post_ID ) { 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'] ); + $type = $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( $wpdb->prepare( "INSERT INTO `$wpdb->postmeta` ( `post_id` , `meta_key` , `meta_value` ) - VALUES ( %d, 'enclosure' , %s)", $post_ID, $meta_value ) ); + $wpdb->insert($wpdb->postmeta, array('post_id' => $post_ID, 'meta_key' => 'enclosure', 'meta_value' => $meta_value) ); + do_action( 'added_postmeta', $wpdb->insert_id, $post_ID, 'enclosure', $meta_value ); } } } @@ -1250,7 +1390,7 @@ function add_magic_quotes( $array ) { if ( is_array( $v ) ) { $array[$k] = add_magic_quotes( $v ); } else { - $array[$k] = $wpdb->escape( $v ); + $array[$k] = esc_sql( $v ); } } return $array; @@ -1314,6 +1454,7 @@ function get_status_header_desc( $code ) { $wp_header_to_desc = array( 100 => 'Continue', 101 => 'Switching Protocols', + 102 => 'Processing', 200 => 'OK', 201 => 'Created', @@ -1322,6 +1463,8 @@ function get_status_header_desc( $code ) { 204 => 'No Content', 205 => 'Reset Content', 206 => 'Partial Content', + 207 => 'Multi-Status', + 226 => 'IM Used', 300 => 'Multiple Choices', 301 => 'Moved Permanently', @@ -1329,10 +1472,12 @@ function get_status_header_desc( $code ) { 303 => 'See Other', 304 => 'Not Modified', 305 => 'Use Proxy', + 306 => 'Reserved', 307 => 'Temporary Redirect', 400 => 'Bad Request', 401 => 'Unauthorized', + 402 => 'Payment Required', 403 => 'Forbidden', 404 => 'Not Found', 405 => 'Method Not Allowed', @@ -1348,13 +1493,20 @@ function get_status_header_desc( $code ) { 415 => 'Unsupported Media Type', 416 => 'Requested Range Not Satisfiable', 417 => 'Expectation Failed', + 422 => 'Unprocessable Entity', + 423 => 'Locked', + 424 => 'Failed Dependency', + 426 => 'Upgrade Required', 500 => 'Internal Server Error', 501 => 'Not Implemented', 502 => 'Bad Gateway', 503 => 'Service Unavailable', 504 => 'Gateway Timeout', - 505 => 'HTTP Version Not Supported' + 505 => 'HTTP Version Not Supported', + 506 => 'Variant Also Negotiates', + 507 => 'Insufficient Storage', + 510 => 'Not Extended' ); } @@ -1388,10 +1540,32 @@ function status_header( $header ) { if ( function_exists( 'apply_filters' ) ) $status_header = apply_filters( 'status_header', $status_header, $header, $text, $protocol ); - if ( version_compare( phpversion(), '4.3.0', '>=' ) ) - return @header( $status_header, true, $header ); - else - return @header( $status_header ); + return @header( $status_header, true, $header ); +} + +/** + * Gets the header information to prevent caching. + * + * The several different headers cover the different ways cache prevention is handled + * by different browsers + * + * @since 2.8 + * + * @uses apply_filters() + * @return array The associative array of header names and field values. + */ +function wp_get_nocache_headers() { + $headers = array( + 'Expires' => 'Wed, 11 Jan 1984 05:00:00 GMT', + 'Last-Modified' => gmdate( 'D, d M Y H:i:s' ) . ' GMT', + 'Cache-Control' => 'no-cache, must-revalidate, max-age=0', + 'Pragma' => 'no-cache', + ); + + if ( function_exists('apply_filters') ) { + $headers = apply_filters('nocache_headers', $headers); + } + return $headers; } /** @@ -1401,13 +1575,12 @@ function status_header( $header ) { * be sent so that all of them get the point that no caching should occur. * * @since 2.0.0 + * @uses wp_get_nocache_headers() */ function nocache_headers() { - // 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' ); + $headers = wp_get_nocache_headers(); + foreach( (array) $headers as $name => $field_value ) + @header("{$name}: {$field_value}"); } /** @@ -1471,7 +1644,7 @@ function do_feed() { $hook = 'do_feed_' . $feed; if ( !has_action($hook) ) { - $message = sprintf( __( 'ERROR: %s is not a valid feed template' ), wp_specialchars($feed)); + $message = sprintf( __( 'ERROR: %s is not a valid feed template' ), esc_html($feed)); wp_die($message); } @@ -1565,17 +1738,46 @@ function is_blog_installed() { global $wpdb; // Check cache first. If options table goes away and we have true cached, oh well. - if ( wp_cache_get('is_blog_installed') ) + if ( wp_cache_get( 'is_blog_installed' ) ) + return true; + + $suppress = $wpdb->suppress_errors(); + $alloptions = wp_load_alloptions(); + // If siteurl is not set to autoload, check it specifically + if ( !isset( $alloptions['siteurl'] ) ) + $installed = $wpdb->get_var( "SELECT option_value FROM $wpdb->options WHERE option_name = 'siteurl'" ); + else + $installed = $alloptions['siteurl']; + $wpdb->suppress_errors( $suppress ); + + $installed = !empty( $installed ); + wp_cache_set( 'is_blog_installed', $installed ); + + if ( $installed ) return true; $suppress = $wpdb->suppress_errors(); - $installed = $wpdb->get_var( "SELECT option_value FROM $wpdb->options WHERE option_name = 'siteurl'" ); - $wpdb->suppress_errors($suppress); + $tables = $wpdb->get_col('SHOW TABLES'); + $wpdb->suppress_errors( $suppress ); + + // Loop over the WP tables. If none exist, then scratch install is allowed. + // If one or more exist, suggest table repair since we got here because the options + // table could not be accessed. + foreach ($wpdb->tables as $table) { + // If one of the WP tables exist, then we are in an insane state. + if ( in_array($wpdb->prefix . $table, $tables) ) { + // If visiting repair.php, return true and let it take over. + if ( defined('WP_REPAIRING') ) + return true; + // Die with a DB error. + $wpdb->error = __('One or more database tables are unavailable. The database may need to be <a href="maint/repair.php?referrer=is_blog_installed">repaired</a>.'); + dead_db(); + } + } - $installed = !empty( $installed ) ? true : false; - wp_cache_set('is_blog_installed', $installed); + wp_cache_set( 'is_blog_installed', false ); - return $installed; + return false; } /** @@ -1591,7 +1793,7 @@ function is_blog_installed() { */ function wp_nonce_url( $actionurl, $action = -1 ) { $actionurl = str_replace( '&', '&', $actionurl ); - return wp_specialchars( add_query_arg( '_wpnonce', wp_create_nonce( $action ), $actionurl ) ); + return esc_html( add_query_arg( '_wpnonce', wp_create_nonce( $action ), $actionurl ) ); } /** @@ -1628,7 +1830,7 @@ function wp_nonce_url( $actionurl, $action = -1 ) { * @return string Nonce field. */ function wp_nonce_field( $action = -1, $name = "_wpnonce", $referer = true , $echo = true ) { - $name = attribute_escape( $name ); + $name = esc_attr( $name ); $nonce_field = '<input type="hidden" id="' . $name . '" name="' . $name . '" value="' . wp_create_nonce( $action ) . '" />'; if ( $echo ) echo $nonce_field; @@ -1653,7 +1855,7 @@ function wp_nonce_field( $action = -1, $name = "_wpnonce", $referer = true , $ec * @return string Referer field. */ function wp_referer_field( $echo = true) { - $ref = attribute_escape( $_SERVER['REQUEST_URI'] ); + $ref = esc_attr( $_SERVER['REQUEST_URI'] ); $referer_field = '<input type="hidden" name="_wp_http_referer" value="'. $ref . '" />'; if ( $echo ) @@ -1679,7 +1881,7 @@ function wp_referer_field( $echo = true) { 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 ) ) . '" />'; + $orig_referer_field = '<input type="hidden" name="_wp_original_http_referer" value="' . esc_attr( stripslashes( $ref ) ) . '" />'; if ( $echo ) echo $orig_referer_field; return $orig_referer_field; @@ -1833,16 +2035,20 @@ function wp_upload_dir( $time = null ) { $siteurl = get_option( 'siteurl' ); $upload_path = get_option( 'upload_path' ); $upload_path = trim($upload_path); - if ( empty($upload_path) ) + if ( empty($upload_path) ) { $dir = WP_CONTENT_DIR . '/uploads'; - else + } else { $dir = $upload_path; - - // $dir is absolute, $path is (maybe) relative to ABSPATH - $dir = path_join( ABSPATH, $dir ); + if ( 'wp-content/uploads' == $upload_path ) { + $dir = WP_CONTENT_DIR . '/uploads'; + } elseif ( 0 !== strpos($dir, ABSPATH) ) { + // $dir is absolute, $upload_path is (maybe) relative to ABSPATH + $dir = path_join( ABSPATH, $dir ); + } + } if ( !$url = get_option( 'upload_url_path' ) ) { - if ( empty($upload_path) or ( $upload_path == $dir ) ) + if ( empty($upload_path) || ( 'wp-content/uploads' == $upload_path ) || ( $upload_path == $dir ) ) $url = WP_CONTENT_URL . '/uploads'; else $url = trailingslashit( $siteurl ) . $upload_path; @@ -1869,15 +2075,15 @@ function wp_upload_dir( $time = null ) { $dir .= $subdir; $url .= $subdir; + $uploads = apply_filters( 'upload_dir', array( 'path' => $dir, 'url' => $url, 'subdir' => $subdir, 'basedir' => $bdir, 'baseurl' => $burl, 'error' => false ) ); + // Make sure we have an uploads dir - if ( ! wp_mkdir_p( $dir ) ) { - $message = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), $dir ); + if ( ! wp_mkdir_p( $uploads['path'] ) ) { + $message = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), $uploads['path'] ); return array( 'error' => $message ); } - $uploads = array( 'path' => $dir, 'url' => $url, 'subdir' => $subdir, 'basedir' => $bdir, 'baseurl' => $burl, 'error' => false ); - - return apply_filters( 'upload_dir', $uploads ); + return $uploads; } /** @@ -1898,14 +2104,16 @@ function wp_upload_dir( $time = null ) { * @return string New filename, if given wasn't unique. */ function wp_unique_filename( $dir, $filename, $unique_filename_callback = null ) { - $filename = strtolower( $filename ); + // 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}"); + $ext = !empty($info['extension']) ? '.' . $info['extension'] : ''; + $name = basename($filename, $ext); // edge case: if file is named '.ext', treat as an empty name - if( $name === ".$ext" ) + if( $name === $ext ) $name = ''; // Increment the file number until we have a unique file to save in $dir. Use $override['unique_filename_callback'] if supplied. @@ -1914,12 +2122,20 @@ function wp_unique_filename( $dir, $filename, $unique_filename_callback = null ) } else { $number = ''; - if ( !empty( $ext ) ) - $ext = strtolower( ".$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; + // change '.ext' to lower case + if ( $ext && strtolower($ext) != $ext ) { + $ext2 = strtolower($ext); + $filename2 = preg_replace( '|' . preg_quote($ext) . '$|', $ext2, $filename ); + + // check for both lower and upper case extension or image sub-sizes may be overwritten + while ( file_exists($dir . "/$filename") || file_exists($dir . "/$filename2") ) { + $new_number = $number + 1; + $filename = str_replace( "$number$ext", "$new_number$ext", $filename ); + $filename2 = str_replace( "$number$ext2", "$new_number$ext2", $filename2 ); + $number = $new_number; + } + return $filename2; + } while ( file_exists( $dir . "/$filename" ) ) { if ( '' == "$number$ext" ) @@ -2007,7 +2223,7 @@ function wp_upload_bits( $name, $deprecated, $bits, $time = 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'), + 'video' => array('asf','avi','divx','dv','mov','mpg','mpeg','mp4','mpv','ogm','qt','rm','vob','wmv', 'm4v'), 'document' => array('doc','docx','pages','odt','rtf','pdf'), 'spreadsheet' => array('xls','xlsx','numbers','ods'), 'interactive' => array('ppt','pptx','key','odp','swf'), @@ -2032,8 +2248,36 @@ function wp_ext2type( $ext ) { * @return array Values with extension first and mime type. */ function wp_check_filetype( $filename, $mimes = null ) { - // Accepted MIME types are set here as PCRE unless provided. - $mimes = ( is_array( $mimes ) ) ? $mimes : apply_filters( 'upload_mimes', array( + if ( empty($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; + } + } + + return compact( 'ext', 'type' ); +} + +/** + * Retrieve list of allowed mime types and file extensions. + * + * @since 2.8.6 + * + * @return array Array of mime types keyed by the file extension regex corresponding to those types. + */ +function get_allowed_mime_types() { + static $mimes = false; + + if ( !$mimes ) { + // Accepted MIME types are set here as PCRE unless provided. + $mimes = apply_filters( 'upload_mimes', array( 'jpg|jpeg|jpe' => 'image/jpeg', 'gif' => 'image/gif', 'png' => 'image/png', @@ -2043,13 +2287,15 @@ function wp_check_filetype( $filename, $mimes = null ) { 'asf|asx|wax|wmv|wmx' => 'video/asf', 'avi' => 'video/avi', 'divx' => 'video/divx', + 'flv' => 'video/x-flv', 'mov|qt' => 'video/quicktime', - 'mpeg|mpg|mpe|mp4' => 'video/mpeg', + 'mpeg|mpg|mpe' => 'video/mpeg', 'txt|c|cc|h' => 'text/plain', 'rtx' => 'text/richtext', 'css' => 'text/css', 'htm|html' => 'text/html', 'mp3|m4a' => 'audio/mpeg', + 'mp4|m4v' => 'video/mp4', 'ra|ram' => 'audio/x-realaudio', 'wav' => 'audio/wav', 'ogg' => 'audio/ogg', @@ -2078,22 +2324,10 @@ 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 ) { - $ext_preg = '!\.(' . $ext_preg . ')$!i'; - if ( preg_match( $ext_preg, $filename, $ext_matches ) ) { - $type = $mime_match; - $ext = $ext_matches[1]; - break; - } + ) ); } - return compact( 'ext', 'type' ); + return $mimes; } /** @@ -2125,65 +2359,73 @@ function wp_explain_nonce( $action ) { $noun = $matches[2]; $trans = array(); - $trans['update']['attachment'] = array( __( 'Your attempt to edit this attachment: "%s" has failed.' ), 'get_the_title' ); + $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']['category'] = array( __( 'Your attempt to delete this category: “%s” has failed.' ), 'get_cat_name' ); + $trans['update']['category'] = array( __( 'Your attempt to edit this category: “%s” has failed.' ), 'get_cat_name' ); - $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['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['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['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['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['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']['user'] = array( __( 'Your attempt to edit this user: “%s” has failed.' ), 'get_the_author_meta', 'display_name' ); + $trans['update']['profile'] = array( __( 'Your attempt to modify the profile for: “%s” has failed.' ), 'get_the_author_meta', 'display_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' ); + $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' ); $trans['log']['out'] = array( sprintf( __( 'You are attempting to log out of %s' ), get_bloginfo( 'sitename' ) ), false ); if ( isset( $trans[$verb][$noun] ) ) { if ( !empty( $trans[$verb][$noun][1] ) ) { $lookup = $trans[$verb][$noun][1]; + if ( isset($trans[$verb][$noun][2]) ) + $lookup_value = $trans[$verb][$noun][2]; $object = $matches[4]; - if ( 'use_id' != $lookup ) - $object = call_user_func( $lookup, $object ); - return sprintf( $trans[$verb][$noun][0], wp_specialchars($object) ); + if ( 'use_id' != $lookup ) { + if ( isset( $lookup_value ) ) + $object = call_user_func( $lookup, $lookup_value, $object ); + else + $object = call_user_func( $lookup, $object ); + } + return sprintf( $trans[$verb][$noun][0], esc_html($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 . '-' . $noun, __( 'Are you sure you want to do this?' ), isset($matches[4]) ? $matches[4] : '' ); + } else { + return apply_filters( 'explain_nonce_' . $action, __( 'Are you sure you want to do this?' ) ); + } } /** @@ -2200,13 +2442,13 @@ function wp_explain_nonce( $action ) { */ function wp_nonce_ays( $action ) { $title = __( 'WordPress Failure Notice' ); - $html = wp_specialchars( wp_explain_nonce( $action ) ); - if ( wp_get_referer() ) - $html .= "</p><p><a href='" . remove_query_arg( 'updated', clean_url( wp_get_referer() ) ) . "'>" . __( 'Please try again.' ) . "</a>"; - elseif ( 'log-out' == $action ) - $html .= "</p><p>" . sprintf( __( "Do you really want to <a href='%s'>log out</a>?"), wp_nonce_url( site_url('wp-login.php?action=logout', 'login'), 'log-out' ) ); + $html = esc_html( wp_explain_nonce( $action ) ); + if ( 'log-out' == $action ) + $html .= "</p><p>" . sprintf( __( "Do you really want to <a href='%s'>log out</a>?"), wp_logout_url() ); + elseif ( wp_get_referer() ) + $html .= "</p><p><a href='" . esc_url( remove_query_arg( 'updated', wp_get_referer() ) ) . "'>" . __( 'Please try again.' ) . "</a>"; - wp_die( $html, $title); + wp_die( $html, $title, array('response' => 403) ); } /** @@ -2230,6 +2472,8 @@ function wp_die( $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(); @@ -2252,6 +2496,11 @@ function wp_die( $message, $title = '', $args = array() ) { $message = "<p>$message</p>"; } + if ( isset( $r['back_link'] ) && $r['back_link'] ) { + $back_text = $have_gettext? __('« Back') : '« Back'; + $message .= "\n<p><a href='javascript:history.back()'>$back_text</p>"; + } + if ( defined( 'WP_SITEURL' ) && '' != WP_SITEURL ) $admin_dir = WP_SITEURL . '/wp-admin/'; elseif ( function_exists( 'get_bloginfo' ) && '' != get_bloginfo( 'wpurl' ) ) @@ -2269,28 +2518,28 @@ function wp_die( $message, $title = '', $args = array() ) { } if ( empty($title) ) { - if ( function_exists( '__' ) ) - $title = __( 'WordPress › Error' ); - else - $title = 'WordPress › Error'; + $title = $have_gettext? __('WordPress › Error') : 'WordPress › Error'; } + $text_direction = 'ltr'; + if ( isset($r['text_direction']) && $r['text_direction'] == 'rtl' ) $text_direction = 'rtl'; + if ( ( $wp_locale ) && ( 'rtl' == $wp_locale->text_direction ) ) $text_direction = 'rtl'; ?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> +<!-- Ticket #11289, IE bug fix: always pad the error page with enough characters such that it is greater than 512 bytes, even after gzip compression abcdefghijklmnopqrstuvwxyz1234567890aabbccddeeffgghhiijjkkllmmnnooppqqrrssttuuvvwwxxyyzz11223344556677889900abacbcbdcdcededfefegfgfhghgihihjijikjkjlklkmlmlnmnmononpopoqpqprqrqsrsrtstsubcbcdcdedefefgfabcadefbghicjkldmnoepqrfstugvwxhyz1i234j567k890laabmbccnddeoeffpgghqhiirjjksklltmmnunoovppqwqrrxsstytuuzvvw0wxx1yyz2z113223434455666777889890091abc2def3ghi4jkl5mno6pqr7stu8vwx9yz11aab2bcc3dd4ee5ff6gg7hh8ii9j0jk1kl2lmm3nnoo4p5pq6qrr7ss8tt9uuvv0wwx1x2yyzz13aba4cbcb5dcdc6dedfef8egf9gfh0ghg1ihi2hji3jik4jkj5lkl6kml7mln8mnm9ono --> <html xmlns="http://www.w3.org/1999/xhtml" <?php if ( function_exists( 'language_attributes' ) ) language_attributes(); ?>> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title><?php echo $title ?> text_direction ) ) : ?> +if ( 'rtl' == $text_direction ) : ?> - $img ) { - $wp_smiliessearch[] = '/(\s|^)' . preg_quote( $smiley, '/' ) . '(\s|$)/'; - $smiley_masked = attribute_escape( trim( $smiley ) ); - $wp_smiliesreplace[] = " $smiley_masked "; + $firstchar = substr($smiley, 0, 1); + $rest = substr($smiley, 1); + + // new subpattern? + if ($firstchar != $subchar) { + if ($subchar != '') { + $wp_smiliessearch .= ')|(?:\s|^)'; + } + $subchar = $firstchar; + $wp_smiliessearch .= preg_quote($firstchar, '/') . '(?:'; + } else { + $wp_smiliessearch .= '|'; + } + $wp_smiliessearch .= preg_quote($rest, '/'); } + + $wp_smiliessearch .= ')(?:\s|$)/m'; } /** @@ -2482,6 +2752,20 @@ function wp_parse_args( $args, $defaults = '' ) { return $r; } +/** + * Determines if default embed handlers should be loaded. + * + * Checks to make sure that the embeds library hasn't already been loaded. If + * it hasn't, then it will load the embeds library. + * + * @since 2.9 + */ +function wp_maybe_load_embeds() { + if ( ! apply_filters('load_default_embeds', true) ) + return; + require_once( ABSPATH . WPINC . '/default-embeds.php' ); +} + /** * Determines if Widgets library should be loaded. * @@ -2492,10 +2776,10 @@ function wp_parse_args( $args, $defaults = '' ) { * @uses add_action() Calls '_admin_menu' hook with 'wp_widgets_add_menu' value. */ function wp_maybe_load_widgets() { - if ( !function_exists( 'dynamic_sidebar' ) ) { - require_once( ABSPATH . WPINC . '/widgets.php' ); - add_action( '_admin_menu', 'wp_widgets_add_menu' ); - } + if ( ! apply_filters('load_default_widgets', true) ) + return; + require_once( ABSPATH . WPINC . '/default-widgets.php' ); + add_action( '_admin_menu', 'wp_widgets_add_menu' ); } /** @@ -2518,7 +2802,9 @@ function wp_widgets_add_menu() { * @since 2.2.0 */ function wp_ob_end_flush_all() { - while ( @ob_end_flush() ); + $levels = ob_get_level(); + for ($i=0; $i<$levels; $i++) + ob_end_flush(); } /** @@ -2590,12 +2876,12 @@ function dead_db() { } /** - * Converts value to positive integer. + * Converts value to nonnegative integer. * * @since 2.5.0 * - * @param mixed $maybeint Data you wish to have convered to an absolute integer - * @return int An absolute integer + * @param mixed $maybeint Data you wish to have convered to an nonnegative integer + * @return int An nonnegative integer */ function absint( $maybeint ) { return abs( intval( $maybeint ) ); @@ -2621,6 +2907,7 @@ function url_is_accessable_via_ssl($url) curl_setopt($ch, CURLOPT_FAILONERROR, true); curl_setopt($ch, CURLOPT_RETURNTRANSFER, true); curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false); + curl_setopt($ch, CURLOPT_CONNECTTIMEOUT, 5); curl_exec($ch); @@ -2657,8 +2944,7 @@ function atom_service_url_filter($url) * 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. + * The current behavior is to trigger an user error if WP_DEBUG is true. * * This function is to be used in every function in depreceated.php * @@ -2679,7 +2965,7 @@ function _deprecated_function($function, $version, $replacement=null) { do_action('deprecated_function_run', $function, $replacement); // Allow plugin to filter the output error trigger - if( defined('WP_DEBUG') && ( true === WP_DEBUG ) && apply_filters( 'deprecated_function_trigger_error', true )) { + if( WP_DEBUG && apply_filters( 'deprecated_function_trigger_error', true )) { if( !is_null($replacement) ) trigger_error( sprintf( __('%1$s is deprecated since version %2$s! Use %3$s instead.'), $function, $version, $replacement ) ); else @@ -2694,8 +2980,7 @@ function _deprecated_function($function, $version, $replacement=null) { * to get the backtrace up to what file and function included the deprecated * file. * - * The current behavior is to trigger an user error if WP_DEBUG is defined and - * is true. + * The current behavior is to trigger an user error if WP_DEBUG is true. * * This function is to be used in every file that is depreceated * @@ -2716,7 +3001,7 @@ function _deprecated_file($file, $version, $replacement=null) { do_action('deprecated_file_included', $file, $replacement); // Allow plugin to filter the output error trigger - if( defined('WP_DEBUG') && ( true === WP_DEBUG ) && apply_filters( 'deprecated_file_trigger_error', true )) { + if( WP_DEBUG && apply_filters( 'deprecated_file_trigger_error', true ) ) { if( !is_null($replacement) ) trigger_error( sprintf( __('%1$s is deprecated since version %2$s! Use %3$s instead.'), $file, $version, $replacement ) ); else @@ -2787,12 +3072,12 @@ function validate_file( $file, $allowed_files = '' ) { if ( false !== strpos( $file, './' )) return 1; - if (':' == substr( $file, 1, 1 )) - return 2; - if (!empty ( $allowed_files ) && (!in_array( $file, $allowed_files ) ) ) return 3; + if (':' == substr( $file, 1, 1 )) + return 2; + return 0; } @@ -2823,10 +3108,10 @@ function is_ssl() { * @param string|bool $force Optional. * @return bool True if forced, false if not forced. */ -function force_ssl_login($force = '') { - static $forced; +function force_ssl_login( $force = null ) { + static $forced = false; - if ( '' != $force ) { + if ( !is_null( $force ) ) { $old_forced = $forced; $forced = $force; return $old_forced; @@ -2843,10 +3128,10 @@ function force_ssl_login($force = '') { * @param string|bool $force * @return bool True if forced, false if not forced. */ -function force_ssl_admin($force = '') { - static $forced; +function force_ssl_admin( $force = null ) { + static $forced = false; - if ( '' != $force ) { + if ( !is_null( $force ) ) { $old_forced = $forced; $forced = $force; return $old_forced; @@ -2895,23 +3180,461 @@ function wp_suspend_cache_invalidation($suspend = true) { return $current_suspend; } +function get_site_option( $key, $default = false, $use_cache = true ) { + // Allow plugins to short-circuit site options. + $pre = apply_filters( 'pre_site_option_' . $key, false ); + if ( false !== $pre ) + return $pre; + + $value = get_option($key, $default); + + return apply_filters( 'site_option_' . $key, $value ); +} + +// expects $key, $value not to be SQL escaped +function add_site_option( $key, $value ) { + $value = apply_filters( 'pre_add_site_option_' . $key, $value ); + $result = add_option($key, $value); + do_action( "add_site_option_{$key}", $key, $value ); + return $result; +} + +function delete_site_option( $key ) { + $result = delete_option($key); + do_action( "delete_site_option_{$key}", $key ); + return $result; +} + +// expects $key, $value not to be SQL escaped +function update_site_option( $key, $value ) { + $oldvalue = get_site_option( $key ); + $value = apply_filters( 'pre_update_site_option_' . $key, $value, $oldvalue ); + $result = update_option($key, $value); + do_action( "update_site_option_{$key}", $key, $value ); + return $result; +} + /** - * Copy an object. + * Delete a site transient * - * Returns a cloned copy of an object. + * @since 2.890 + * @package WordPress + * @subpackage Transient * - * @since 2.7.0 + * @param string $transient Transient name. Expected to not be SQL-escaped + * @return bool true if successful, false otherwise + */ +function delete_site_transient($transient) { + global $_wp_using_ext_object_cache, $wpdb; + + if ( $_wp_using_ext_object_cache ) { + return wp_cache_delete($transient, 'site-transient'); + } else { + $transient = '_site_transient_' . esc_sql($transient); + return delete_site_option($transient); + } +} + +/** + * Get the value of a site transient + * + * If the transient does not exist or does not have a value, then the return value + * will be false. + * + * @since 2.9.0 + * @package WordPress + * @subpackage Transient + * + * @param string $transient Transient name. Expected to not be SQL-escaped + * @return mixed Value of transient + */ +function get_site_transient($transient) { + global $_wp_using_ext_object_cache, $wpdb; + + $pre = apply_filters( 'pre_site_transient_' . $transient, false ); + if ( false !== $pre ) + return $pre; + + if ( $_wp_using_ext_object_cache ) { + $value = wp_cache_get($transient, 'site-transient'); + } else { + $transient_option = '_site_transient_' . esc_sql($transient); + $transient_timeout = '_site_transient_timeout_' . esc_sql($transient); + if ( get_site_option($transient_timeout) < time() ) { + delete_site_option($transient_option); + delete_site_option($transient_timeout); + return false; + } + + $value = get_site_option($transient_option); + } + + return apply_filters('site_transient_' . $transient, $value); +} + +/** + * Set/update the value of a site transient + * + * You do not need to serialize values, if the value needs to be serialize, then + * it will be serialized before it is set. + * + * @since 2.9.0 + * @package WordPress + * @subpackage Transient + * + * @param string $transient Transient name. Expected to not be SQL-escaped + * @param mixed $value Transient value. + * @param int $expiration Time until expiration in seconds, default 0 + * @return bool False if value was not set and true if value was set. + */ +function set_site_transient($transient, $value, $expiration = 0) { + global $_wp_using_ext_object_cache, $wpdb; + + if ( $_wp_using_ext_object_cache ) { + return wp_cache_set($transient, $value, 'site-transient', $expiration); + } else { + $transient_timeout = '_site_transient_timeout_' . $transient; + $transient = '_site_transient_' . $transient; + $safe_transient = esc_sql($transient); + if ( false === get_site_option( $safe_transient ) ) { + if ( 0 != $expiration ) + add_site_option($transient_timeout, time() + $expiration); + return add_site_option($transient, $value); + } else { + if ( 0 != $expiration ) + update_site_option($transient_timeout, time() + $expiration); + return update_site_option($transient, $value); + } + } +} + +/** + * gmt_offset modification for smart timezone handling + * + * Overrides the gmt_offset option if we have a timezone_string available + */ +function wp_timezone_override_offset() { + if ( !wp_timezone_supported() ) { + return false; + } + if ( !$timezone_string = get_option( 'timezone_string' ) ) { + return false; + } + + @date_default_timezone_set( $timezone_string ); + $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 ) / 3600, 2 ); +} + +/** + * Check for PHP timezone support + */ +function wp_timezone_supported() { + $support = false; + if ( + function_exists( 'date_default_timezone_set' ) && + function_exists( 'timezone_identifiers_list' ) && + function_exists( 'timezone_open' ) && + function_exists( 'timezone_offset_get' ) + ) { + $support = true; + } + return apply_filters( 'timezone_support', $support ); +} + +function _wp_timezone_choice_usort_callback( $a, $b ) { + // Don't use translated versions of Etc + if ( 'Etc' === $a['continent'] && 'Etc' === $b['continent'] ) { + // Make the order of these more like the old dropdown + if ( 'GMT+' === substr( $a['city'], 0, 4 ) && 'GMT+' === substr( $b['city'], 0, 4 ) ) { + return -1 * ( strnatcasecmp( $a['city'], $b['city'] ) ); + } + if ( 'UTC' === $a['city'] ) { + if ( 'GMT+' === substr( $b['city'], 0, 4 ) ) { + return 1; + } + return -1; + } + if ( 'UTC' === $b['city'] ) { + if ( 'GMT+' === substr( $a['city'], 0, 4 ) ) { + return -1; + } + return 1; + } + return strnatcasecmp( $a['city'], $b['city'] ); + } + if ( $a['t_continent'] == $b['t_continent'] ) { + if ( $a['t_city'] == $b['t_city'] ) { + return strnatcasecmp( $a['t_subcity'], $b['t_subcity'] ); + } + return strnatcasecmp( $a['t_city'], $b['t_city'] ); + } else { + // Force Etc to the bottom of the list + if ( 'Etc' === $a['continent'] ) { + return 1; + } + if ( 'Etc' === $b['continent'] ) { + return -1; + } + return strnatcasecmp( $a['t_continent'], $b['t_continent'] ); + } +} + +/** + * Gives a nicely formatted list of timezone strings // temporary! Not in final + * + * @param $selected_zone string Selected Zone + * + */ +function wp_timezone_choice( $selected_zone ) { + static $mo_loaded = false; + + $continents = array( 'Africa', 'America', 'Antarctica', 'Arctic', 'Asia', 'Atlantic', 'Australia', 'Europe', 'Indian', 'Pacific'); + + // Load translations for continents and cities + if ( !$mo_loaded ) { + $locale = get_locale(); + $mofile = WP_LANG_DIR . '/continents-cities-' . $locale . '.mo'; + load_textdomain( 'continents-cities', $mofile ); + $mo_loaded = true; + } + + $zonen = array(); + foreach ( timezone_identifiers_list() as $zone ) { + $zone = explode( '/', $zone ); + if ( !in_array( $zone[0], $continents ) ) { + continue; + } + + // This determines what gets set and translated - we don't translate Etc/* strings here, they are done later + $exists = array( + 0 => ( isset( $zone[0] ) && $zone[0] ) ? true : false, + 1 => ( isset( $zone[1] ) && $zone[1] ) ? true : false, + 2 => ( isset( $zone[2] ) && $zone[2] ) ? true : false + ); + $exists[3] = ( $exists[0] && 'Etc' !== $zone[0] ) ? true : false; + $exists[4] = ( $exists[1] && $exists[3] ) ? true : false; + $exists[5] = ( $exists[2] && $exists[3] ) ? true : false; + + $zonen[] = array( + 'continent' => ( $exists[0] ? $zone[0] : '' ), + 'city' => ( $exists[1] ? $zone[1] : '' ), + 'subcity' => ( $exists[2] ? $zone[2] : '' ), + 't_continent' => ( $exists[3] ? translate( str_replace( '_', ' ', $zone[0] ), 'continents-cities' ) : '' ), + 't_city' => ( $exists[4] ? translate( str_replace( '_', ' ', $zone[1] ), 'continents-cities' ) : '' ), + 't_subcity' => ( $exists[5] ? translate( str_replace( '_', ' ', $zone[2] ), 'continents-cities' ) : '' ) + ); + } + usort( $zonen, '_wp_timezone_choice_usort_callback' ); + + $structure = array(); + + if ( empty( $selected_zone ) ) { + $structure[] = ''; + } + + foreach ( $zonen as $key => $zone ) { + // Build value in an array to join later + $value = array( $zone['continent'] ); + + if ( empty( $zone['city'] ) ) { + // It's at the continent level (generally won't happen) + $display = $zone['t_continent']; + } else { + // It's inside a continent group + + // Continent optgroup + if ( !isset( $zonen[$key - 1] ) || $zonen[$key - 1]['continent'] !== $zone['continent'] ) { + $label = $zone['t_continent']; + $structure[] = ''; + } + + // Add the city to the value + $value[] = $zone['city']; + + $display = $zone['t_city']; + if ( !empty( $zone['subcity'] ) ) { + // Add the subcity to the value + $value[] = $zone['subcity']; + $display .= ' - ' . $zone['t_subcity']; + } + } + + // Build the value + $value = join( '/', $value ); + $selected = ''; + if ( $value === $selected_zone ) { + $selected = 'selected="selected" '; + } + $structure[] = '"; + + // Close continent optgroup + if ( !empty( $zone['city'] ) && ( !isset($zonen[$key + 1]) || (isset( $zonen[$key + 1] ) && $zonen[$key + 1]['continent'] !== $zone['continent']) ) ) { + $structure[] = ''; + } + } + + // Do UTC + $structure[] = ''; + $selected = ''; + if ( 'UTC' === $selected_zone ) + $selected = 'selected="selected" '; + $structure[] = ''; + $structure[] = ''; + + // Do manual UTC offsets + $structure[] = ''; + $offset_range = array (-12, -11.5, -11, -10.5, -10, -9.5, -9, -8.5, -8, -7.5, -7, -6.5, -6, -5.5, -5, -4.5, -4, -3.5, -3, -2.5, -2, -1.5, -1, -0.5, + 0, 0.5, 1, 1.5, 2, 2.5, 3, 3.5, 4, 4.5, 5, 5.5, 5.75, 6, 6.5, 7, 7.5, 8, 8.5, 8.75, 9, 9.5, 10, 10.5, 11, 11.5, 12, 12.75, 13, 13.75, 14); + foreach ( $offset_range as $offset ) { + if ( 0 <= $offset ) + $offset_name = '+' . $offset; + else + $offset_name = (string) $offset; + + $offset_value = $offset_name; + $offset_name = str_replace(array('.25','.5','.75'), array(':15',':30',':45'), $offset_name); + $offset_name = 'UTC' . $offset_name; + $offset_value = 'UTC' . $offset_value; + $selected = ''; + if ( $offset_value === $selected_zone ) + $selected = 'selected="selected" '; + $structure[] = '"; + + } + $structure[] = ''; + + return join( "\n", $structure ); +} + +/** + * Strip close comment and close php tags from file headers used by WP + * See http://core.trac.wordpress.org/ticket/8497 + * + * @since 2.8 +**/ +function _cleanup_header_comment($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 * - * @param object $object The object to clone - * @return object The cloned object + * @return void */ -function wp_clone( $object ) { - static $can_clone; - if ( !isset( $can_clone ) ) { - $can_clone = version_compare( phpversion(), '5.0', '>=' ); +function wp_scheduled_delete() { + global $wpdb; + + $delete_timestamp = time() - (60*60*24*EMPTY_TRASH_DAYS); + + $posts_to_delete = $wpdb->get_results($wpdb->prepare("SELECT post_id FROM $wpdb->postmeta WHERE meta_key = '_wp_trash_meta_time' AND meta_value < '%d'", $delete_timestamp), ARRAY_A); + + foreach ( (array) $posts_to_delete as $post ) { + $post_id = (int) $post['post_id']; + if ( !$post_id ) + continue; + + $del_post = get_post($post_id); + + if ( !$del_post || 'trash' != $del_post->post_status ) { + delete_post_meta($post_id, '_wp_trash_meta_status'); + delete_post_meta($post_id, '_wp_trash_meta_time'); + } else { + wp_delete_post($post_id); + } + } + + $comments_to_delete = $wpdb->get_results($wpdb->prepare("SELECT comment_id FROM $wpdb->commentmeta WHERE meta_key = '_wp_trash_meta_time' AND meta_value < '%d'", $delete_timestamp), ARRAY_A); + + foreach ( (array) $comments_to_delete as $comment ) { + $comment_id = (int) $comment['comment_id']; + if ( !$comment_id ) + continue; + + $del_comment = get_comment($comment_id); + + if ( !$del_comment || 'trash' != $del_comment->comment_approved ) { + delete_comment_meta($comment_id, '_wp_trash_meta_time'); + delete_comment_meta($comment_id, '_wp_trash_meta_status'); + } else { + wp_delete_comment($comment_id); + } } - return $can_clone ? clone( $object ) : $object; } +/** + * Parse the file contents to retrieve its metadata. + * + * Searches for metadata for a file, such as a plugin or theme. Each piece of + * metadata must be on its own line. For a field spanning multple lines, it + * must not have any newlines or only parts of it will be displayed. + * + * Some users have issues with opening large files and manipulating the contents + * for want is usually the first 1kiB or 2kiB. This function stops pulling in + * the file contents when it has all of the required data. + * + * The first 8kiB of the file will be pulled in and 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. + * + * The file is assumed to have permissions to allow for scripts to read + * the file. This is not checked however and the file is only opened for + * reading. + * + * @since 2.9.0 + * + * @param string $file Path to the file + * @param bool $markup If the returned data should have HTML markup applied + * @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 ); + + if( $context != '' ) { + $extra_headers = apply_filters( "extra_$context".'_headers', array() ); + + $extra_headers = array_flip( $extra_headers ); + foreach( $extra_headers as $key=>$value ) { + $extra_headers[$key] = $key; + } + $all_headers = array_merge($extra_headers, $default_headers); + } else { + $all_headers = $default_headers; + } + + + foreach ( $all_headers as $field => $regex ) { + preg_match( '/' . preg_quote( $regex, '/' ) . ':(.*)$/mi', $file_data, ${$field}); + if ( !empty( ${$field} ) ) + ${$field} = _cleanup_header_comment( ${$field}[1] ); + else + ${$field} = ''; + } + + $file_data = compact( array_keys( $all_headers ) ); + + return $file_data; +} +/* + * Used internally to tidy up the search terms + * + * @private + * @since 2.9.0 + */ +function _search_terms_tidy($t) { + return trim($t, "\"'\n\r "); +} ?>