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; } /** * Retrieve the current time based on specified type. * * The 'mysql' type will return the time in the format for MySQL DATETIME field. * The 'timestamp' type will return the current timestamp. * * If the $gmt is set to either '1' or 'true', then both types will use the * GMT offset in the WordPress option to add the GMT offset to the time. * * @since 1.0.0 * * @param string $type Either 'mysql' or 'timestamp'. * @param int|bool $gmt Optional. Whether to use $gmt offset. Default is false. * @return int|string String if $type is 'gmt', int if $type is 'timestamp'. */ function current_time( $type, $gmt = 0 ) { switch ( $type ) { case 'mysql': 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': return ( $gmt ) ? time() : time() + ( get_option( 'gmt_offset' ) * 3600 ); break; } } /** * Retrieve the date in localized format, based on timestamp. * * If the locale specifies the locale month and weekday, then the locale will * take over the format for the date. If it isn't, then the date format string * will be used instead. * * @since 0.71 * * @param string $dateformatstring Format to display the date * @param int $unixtimestamp Unix timestamp * @return string The date, translated if locale specifies it. */ function date_i18n( $dateformatstring, $unixtimestamp ) { global $wp_locale; $i = $unixtimestamp; // Sanity check for PHP 5.1.0- if ( -1 == $i ) $i = false; 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 ); } $j = @date( $dateformatstring, $i ); return $j; } /** * Convert number to format based on the locale. * * @since 2.3.0 * * @param mixed $number The number to convert based on locale. * @param int $decimals Precision of the number of decimal places. * @return string Converted number in string format. */ function number_format_i18n( $number, $decimals = null ) { global $wp_locale; // let the user override the precision only $decimals = ( is_null( $decimals ) ) ? $wp_locale->number_format['decimals'] : intval( $decimals ); return number_format( $number, $decimals, $wp_locale->number_format['decimal_point'], $wp_locale->number_format['thousands_sep'] ); } /** * Convert number of bytes largest unit bytes will fit into. * * It is easier to read 1kB than 1024 bytes and 1MB than 1048576 bytes. Converts * number of bytes to human readable number by taking the number of that unit * that the bytes will go into it. Supports TB value. * * Please note that integers in PHP are limited to 32 bits, unless they are on * 64 bit architecture, then they have 64 bit size. If you need to place the * larger size then what PHP integer type will hold, then use a string. It will * be converted to a double, which should always have 64 bit length. * * Technically the correct unit names for powers of 1024 are KiB, MiB etc. * @link http://en.wikipedia.org/wiki/Byte * * @since 2.3.0 * * @param int|string $bytes Number of bytes. Note max integer size for integers. * @param int $decimals Precision of number of decimal places. * @return bool|string False on failure. Number string on success. */ function size_format( $bytes, $decimals = null ) { $quant = array( // ========================= Origin ==== 'TB' => 1099511627776, // pow( 1024, 4) 'GB' => 1073741824, // pow( 1024, 3) 'MB' => 1048576, // pow( 1024, 2) 'kB' => 1024, // pow( 1024, 1) 'B ' => 1, // pow( 1024, 0) ); foreach ( $quant as $unit => $mag ) if ( doubleval($bytes) >= $mag ) return number_format_i18n( $bytes / $mag, $decimals ) . ' ' . $unit; return false; } /** * Get the week start and end from the datetime or date string from mysql. * * @since 0.71 * * @param string $mysqlstring Date or datetime field type from mysql. * @param int $start_of_week Optional. Start of the week as an integer. * @return array Keys are 'start' and 'end'. */ function get_weekstartend( $mysqlstring, $start_of_week = '' ) { $my = substr( $mysqlstring, 0, 4 ); // Mysql string Year $mm = substr( $mysqlstring, 8, 2 ); // Mysql string Month $md = substr( $mysqlstring, 5, 2 ); // Mysql string day $day = mktime( 0, 0, 0, $md, $mm, $my ); // The timestamp for mysqlstring day. $weekday = date( 'w', $day ); // The day of the week from the timestamp $i = 86400; // One day if( !is_numeric($start_of_week) ) $start_of_week = get_option( 'start_of_week' ); if ( $weekday < $start_of_week ) $weekday = 7 - $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 -= 86400; $i = 0; } $week['start'] = $day + 86400 - $i; $week['end'] = $week['start'] + 604799; return $week; } /** * Unserialize value only if it was serialized. * * @since 2.0.0 * * @param string $original Maybe unserialized original, if is needed. * @return mixed Unserialized data can be any type. */ function maybe_unserialize( $original ) { if ( is_serialized( $original ) ) // don't attempt to unserialize data that wasn't serialized going in if ( false !== $gm = @unserialize( $original ) ) return $gm; return $original; } /** * Check value to find if it was serialized. * * If $data is not an string, then returned value will always be false. * Serialized data is always a string. * * @since 2.0.5 * * @param mixed $data Value to check to see if was serialized. * @return bool False if not serialized and true if it was. */ function is_serialized( $data ) { // if it isn't a string, it isn't serialized if ( !is_string( $data ) ) return false; $data = trim( $data ); if ( 'N;' == $data ) return true; if ( !preg_match( '/^([adObis]):/', $data, $badions ) ) return false; switch ( $badions[1] ) { case 'a' : case 'O' : case 's' : if ( preg_match( "/^{$badions[1]}:[0-9]+:.*[;}]\$/s", $data ) ) return true; break; case 'b' : case 'i' : case 'd' : if ( preg_match( "/^{$badions[1]}:[0-9.E-]+;\$/", $data ) ) return true; break; } return false; } /** * Check whether serialized data is of string type. * * @since 2.0.5 * * @param mixed $data Serialized data * @return bool False if not a serialized string, true if it is. */ function is_serialized_string( $data ) { // if it isn't a string, it isn't a serialized string if ( !is_string( $data ) ) return false; $data = trim( $data ); if ( preg_match( '/^s:[0-9]+:.*;$/s', $data ) ) // this should fetch all serialized strings return true; return false; } /** * Retrieve option value based on setting name. * * If the option does not exist or does not have a value, then the return value * will be false. This is useful to check whether you need to install an option * and is commonly used during installation of plugin options and to test * whether upgrading is required. * * You can "short-circuit" the retrieval of the option from the database for * your plugin or core options that aren't protected. You can do so by hooking * into the 'pre_option_$option' with the $option being replaced by the option * name. You should not try to override special options, but you will not be * prevented from doing so. * * There is a second filter called 'option_$option' with the $option being * replaced with the option name. This gives the value as the only parameter. * * If the option was serialized, when the option was added and, or updated, then * it will be unserialized, when it is returned. * * @since 1.5.0 * @package WordPress * @subpackage Option * @uses apply_filters() Calls 'pre_option_$optionname' false to allow * overwriting the option value in a plugin. * @uses apply_filters() Calls 'option_$optionname' with the option name value. * * @param string $setting Name of option to retrieve. Should already be SQL-escaped * @return mixed Value set for the option. */ function get_option( $setting, $default = false ) { global $wpdb; // Allow plugins to short-circuit options. $pre = apply_filters( 'pre_option_' . $setting, false ); if ( false !== $pre ) return $pre; // prevent non-existent options from triggering multiple queries $notoptions = wp_cache_get( 'notoptions', 'options' ); if ( isset( $notoptions[$setting] ) ) return $default; $alloptions = wp_load_alloptions(); if ( isset( $alloptions[$setting] ) ) { $value = $alloptions[$setting]; } else { $value = wp_cache_get( $setting, 'options' ); if ( false === $value ) { if ( defined( 'WP_INSTALLING' ) ) $suppress = $wpdb->suppress_errors(); // expected_slashed ($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' ); } else { // option does not exist, so we must cache its non-existence $notoptions[$setting] = true; wp_cache_set( 'notoptions', $notoptions, 'options' ); return $default; } } } // If home is not set use siteurl. if ( 'home' == $setting && '' == $value ) return get_option( 'siteurl' ); if ( in_array( $setting, array('siteurl', 'home', 'category_base', 'tag_base') ) ) $value = untrailingslashit( $value ); return apply_filters( 'option_' . $setting, maybe_unserialize( $value ) ); } /** * Protect WordPress special option from being modified. * * Will die if $option is in protected list. Protected options are 'alloptions' * and 'notoptions' options. * * @since 2.2.0 * @package WordPress * @subpackage Option * * @param string $option Option name. */ 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 ) ) ); } /** * Print option value after sanitizing for forms. * * @uses attribute_escape Sanitizes value. * @since 1.5.0 * @package WordPress * @subpackage Option * * @param string $option Option name. */ function form_option( $option ) { echo attribute_escape (get_option( $option ) ); } /** * Retrieve all autoload options or all options, if no autoloaded ones exist. * * This is different from wp_load_alloptions(), in this that function does not * cache all options and will retrieve all options from the database every time * it is called. * * @since 1.0.0 * @package WordPress * @subpackage Option * @uses apply_filters() Calls 'pre_option_$optionname' hook with option value as parameter. * @uses apply_filters() Calls 'all_options' on options list. * * @return array List of all options. */ function get_alloptions() { global $wpdb; $show = $wpdb->hide_errors(); if ( !$options = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options WHERE autoload = 'yes'" ) ) $options = $wpdb->get_results( "SELECT option_name, option_value FROM $wpdb->options" ); $wpdb->show_errors($show); foreach ( (array) $options as $option ) { // "When trying to design a foolproof system, // never underestimate the ingenuity of the fools :)" -- Dougal if ( in_array( $option->option_name, array( 'siteurl', 'home', 'category_base', 'tag_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 ); } /** * Loads and caches all autoloaded options, if available or all options. * * This is different from get_alloptions(), in that this function will cache the * options and will return the cached options when called again. * * @since 2.2.0 * @package WordPress * @subpackage Option * * @return array List all options. */ function wp_load_alloptions() { global $wpdb; $alloptions = wp_cache_get( 'alloptions', 'options' ); if ( !$alloptions ) { $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' ); } return $alloptions; } /** * Update the value of an option that was already added. * * You do not need to serialize values, if the value needs to be serialize, then * it will be serialized before it is inserted into the database. Remember, * resources can not be serialized or added as an option. * * If the option does not exist, then the option will be added with the option * value, but you will not be able to set whether it is autoloaded. If you want * to set whether an option autoloaded, then you need to use the add_option(). * * When the option is updated, then the filter named * 'update_option_$option_name', with the $option_name as the $option_name * parameter value, will be called. The hook should accept two parameters, the * first is the old parameter and the second is the new parameter. * * @since 1.0.0 * @package WordPress * @subpackage Option * * @param string $option_name Option name. Expected to not be SQL-escaped * @param mixed $newvalue Option value. * @return bool False if value was not updated and true if value was updated. */ 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 ); $oldvalue = get_option( $safe_option_name ); $newvalue = apply_filters( 'pre_update_option_' . $option_name, $newvalue, $oldvalue ); // If the new and old values are the same, no need to update. if ( $newvalue === $oldvalue ) return false; if ( false === $oldvalue ) { add_option( $option_name, $newvalue ); return true; } $notoptions = wp_cache_get( 'notoptions', 'options' ); if ( is_array( $notoptions ) && isset( $notoptions[$option_name] ) ) { unset( $notoptions[$option_name] ); wp_cache_set( 'notoptions', $notoptions, 'options' ); } $_newvalue = $newvalue; $newvalue = maybe_serialize( $newvalue ); $alloptions = wp_load_alloptions(); if ( isset( $alloptions[$option_name] ) ) { $alloptions[$option_name] = $newvalue; wp_cache_set( 'alloptions', $alloptions, 'options' ); } else { wp_cache_set( $option_name, $newvalue, 'options' ); } $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, $_newvalue ); return true; } return false; } /** * Add a new option. * * You do not need to serialize values, if the value needs to be serialize, then * it will be serialized before it is inserted into the database. Remember, * resources can not be serialized or added as an option. * * You can create options without values and then add values later. Does not * check whether the option has already been added, but does check that you * aren't adding a protected WordPress option. Care should be taken to not name * options, the same as the ones which are protected and to not add options * that were already added. * * The filter named 'add_option_$optionname', with the $optionname being * replaced with the option's name, will be called. The hook should accept two * parameters, the first is the option name, and the second is the value. * * @package WordPress * @subpackage Option * @since 1.0.0 * @link http://alex.vort-x.net/blog/ Thanks Alex Stapleton * * @param string $name Option name to add. Expects to NOT be SQL escaped. * @param mixed $value Optional. Option value, can be anything. * @param mixed $deprecated Optional. Description. Not used anymore. * @param bool $autoload Optional. Default is enabled. Whether to load the option when WordPress starts up. * @return null returns when finished. */ function add_option( $name, $value = '', $deprecated = '', $autoload = 'yes' ) { global $wpdb; 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 ) ) return; $value = maybe_serialize( $value ); $autoload = ( 'no' === $autoload ) ? 'no' : 'yes'; if ( 'yes' == $autoload ) { $alloptions = wp_load_alloptions(); $alloptions[$name] = $value; wp_cache_set( 'alloptions', $alloptions, 'options' ); } else { wp_cache_set( $name, $value, 'options' ); } // This option exists now $notoptions = wp_cache_get( 'notoptions', 'options' ); // yes, again... we need it to be fresh if ( is_array( $notoptions ) && isset( $notoptions[$name] ) ) { unset( $notoptions[$name] ); wp_cache_set( 'notoptions', $notoptions, 'options' ); } $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; } /** * Removes option by name and prevents removal of protected WordPress options. * * @package WordPress * @subpackage Option * @since 1.2.0 * * @param string $name Option name to remove. * @return bool True, if succeed. False, if failure. */ function delete_option( $name ) { global $wpdb; wp_protect_special_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 ) 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' ); } } else { wp_cache_delete( $name, 'options' ); } return true; } /** * Saves and restores user interface settings stored in a cookie. * * Checks if the current user-settings cookie is updated and stores it. When no * cookie exists (different browser used), adds the last saved cookie restoring * the settings. * * @package WordPress * @subpackage Option * @since 2.7.0 */ function wp_user_settings() { if ( ! is_admin() ) return; if ( ! $user = wp_get_current_user() ) return; $settings = get_user_option( 'user-settings', $user->ID ); if ( isset($_COOKIE['wp-settings-'.$user->ID]) ) { $cookie = preg_replace( '/[^A-Za-z0-9=&_]/', '', $_COOKIE['wp-settings-'.$user->ID] ); if ( ! empty($cookie) && strpos($cookie, '=') ) { if ( $cookie == $settings ) return; $last_time = (int) get_user_option( 'user-settings-time', $user->ID ); $saved = isset($_COOKIE['wp-settings-time-'.$user->ID]) ? preg_replace( '/[^0-9]/', '', $_COOKIE['wp-settings-time-'.$user->ID] ) : 0; if ( $saved > $last_time ) { update_user_option( $user->ID, 'user-settings', $cookie ); update_user_option( $user->ID, 'user-settings-time', time() - 5 ); return; } } } setcookie('wp-settings-'.$user->ID, $settings, time() + 31536000, SITECOOKIEPATH); setcookie('wp-settings-time-'.$user->ID, time(), time() + 31536000, SITECOOKIEPATH); } /** * Retrieve user interface setting value based on setting name. * * @package WordPress * @subpackage Option * @since 2.7.0 * * @param string $name The name of the setting. * @param string $default Optional default value to return when $name is not set. * @return mixed the last saved user setting or the default value/false if it doesn't exist. */ function get_user_setting( $name, $default = false ) { $arr = get_all_user_settings(); return isset($arr[$name]) ? $arr[$name] : $default; } /** * Delete user interface settings. * * Deleting settings would reset them to the defaults. * * @package WordPress * @subpackage Option * @since 2.7.0 * * @param mixed $names The name or array of names of the setting to be deleted. */ function delete_user_setting( $names ) { global $current_user; $arr = get_all_user_settings(); $names = (array) $names; foreach ( $names as $name ) { if ( isset($arr[$name]) ) { unset($arr[$name]); $settings = ''; } } if ( isset($settings) ) { foreach ( $arr as $k => $v ) $settings .= $k . '=' . $v . '&'; $settings = rtrim($settings, '&'); update_user_option( $current_user->ID, 'user-settings', $settings ); setcookie('wp-settings-'.$current_user->ID, $settings, time() + 31536000, SITECOOKIEPATH); } } /** * Retrieve all user interface settings. * * @package WordPress * @subpackage Option * @since 2.7.0 * * @return array the last saved user settings or empty array. */ function get_all_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 ( $cookie && strpos($cookie, '=') ) { // the '=' cannot be 1st char parse_str($cookie, $arr); return $arr; } } return array(); } /** * Delete the user settings of the current user. * * @package WordPress * @subpackage Option * @since 2.7.0 */ 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); } /** * Serialize data, if needed. * * @since 2.0.5 * * @param mixed $data Data that might be serialized. * @return mixed A scalar data */ function maybe_serialize( $data ) { if ( is_array( $data ) || is_object( $data ) ) return serialize( $data ); if ( is_serialized( $data ) ) return 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 ); } else { $post_title = $post_default_title; } return $post_title; } /** * Retrieve the post category or categories from XMLRPC XML. * * If the category element is not found, then the default post category will be * used. The return type then would be what $post_default_category. If the * category is found, then it will always be an array. * * @package WordPress * @subpackage XMLRPC * @since 0.71 * * @global string $post_default_category Default XMLRPC post category. * * @param string $content XMLRPC XML Request content * @return string|array List of categories or category name. */ function xmlrpc_getpostcategory( $content ) { global $post_default_category; if ( preg_match( '/<category>(.+?)<\/category>/is', $content, $matchcat ) ) { $post_category = trim( $matchcat[1], ',' ); $post_category = explode( ',', $post_category ); } else { $post_category = $post_default_category; } return $post_category; } /** * XMLRPC XML content without title and category elements. * * @package WordPress * @subpackage XMLRPC * @since 0.71 * * @param string $content XMLRPC XML Request content * @return string XMLRPC XML Request content without title and category elements. */ function xmlrpc_removepostdata( $content ) { $content = preg_replace( '/<title>(.+?)<\/title>/si', '', $content ); $content = preg_replace( '/<category>(.+?)<\/category>/si', '', $content ); $content = trim( $content ); return $content; } /** * Open the file handle for debugging. * * This function is used for XMLRPC feature, but it is general purpose enough * to be used in anywhere. * * @see fopen() for mode options. * @package WordPress * @subpackage Debug * @since 0.71 * @uses $debug Used for whether debugging is enabled. * * @param string $filename File path to debug file. * @param string $mode Same as fopen() mode parameter. * @return bool|resource File handle. False on failure. */ function debug_fopen( $filename, $mode ) { global $debug; if ( 1 == $debug ) { $fp = fopen( $filename, $mode ); return $fp; } else { return false; } } /** * Write contents to the file used for debugging. * * Technically, this can be used to write to any file handle when the global * $debug is set to 1 or true. * * @package WordPress * @subpackage Debug * @since 0.71 * @uses $debug Used for whether debugging is enabled. * * @param resource $fp File handle for debugging file. * @param string $string Content to write to debug file. */ function debug_fwrite( $fp, $string ) { global $debug; if ( 1 == $debug ) fwrite( $fp, $string ); } /** * Close the debugging file handle. * * Technically, this can be used to close any file handle when the global $debug * is set to 1 or true. * * @package WordPress * @subpackage Debug * @since 0.71 * @uses $debug Used for whether debugging is enabled. * * @param resource $fp Debug File handle. */ function debug_fclose( $fp ) { global $debug; if ( 1 == $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 * pingbacks and trackbacks. * * @package WordPress * @since 1.5.0 * * @uses $wpdb * * @param string $content Post Content * @param int $post_ID Post ID */ function do_enclose( $content, $post_ID ) { global $wpdb; include_once( ABSPATH . WPINC . '/class-IXR.php' ); $log = debug_fopen( ABSPATH . 'enclosures.log', 'a' ); $post_links = array(); debug_fwrite( $log, 'BEGIN ' . date( 'YmdHis', time() ) . "\n" ); $pung = get_enclosed( $post_ID ); $ltrs = '\w'; $gunk = '/#~:.?+=&%@!\-'; $punc = '.:?\-'; $any = $ltrs . $gunk . $punc; preg_match_all( "{\b http : [$any] +? (?= [$punc] * [^$any] | $)}x", $content, $post_links_temp ); debug_fwrite( $log, 'Post contents:' ); debug_fwrite( $log, $content . "\n" ); 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 ); if ( isset( $test['query'] ) ) $post_links[] = $link_test; elseif ( $test['path'] != '/' && $test['path'] != '' ) $post_links[] = $link_test; } } foreach ( (array) $post_links as $url ) { if ( $url != '' && !$wpdb->get_var( $wpdb->prepare( "SELECT post_id FROM $wpdb->postmeta WHERE post_id = %d AND meta_key = 'enclosure' AND meta_value LIKE (%s)", $post_ID, $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( $wpdb->prepare( "INSERT INTO `$wpdb->postmeta` ( `post_id` , `meta_key` , `meta_value` ) VALUES ( %d, 'enclosure' , %s)", $post_ID, $meta_value ) ); } } } } } /** * Perform a HTTP HEAD or GET request. * * If $file_path is a writable filename, this will do a GET request and write * the file to that path. * * @since 2.5.0 * * @param string $url URL to fetch. * @param string|bool $file_path Optional. File path to write request to. * @param bool $deprecated Deprecated. Not used. * @return bool|string False on failure and string of headers if HEAD request. */ function wp_get_http( $url, $file_path = false, $deprecated = false ) { @set_time_limit( 60 ); $options = array(); $options['redirection'] = 5; if ( false == $file_path ) $options['method'] = 'HEAD'; else $options['method'] = 'GET'; $response = wp_remote_request($url, $options); if ( is_wp_error( $response ) ) return false; $headers = wp_remote_retrieve_headers( $response ); $headers['response'] = $response['response']['code']; if ( false == $file_path ) return $headers; // GET request - write it to the supplied filename $out_fp = fopen($file_path, 'w'); if ( !$out_fp ) return $headers; fwrite( $out_fp, $response['body']); fclose($out_fp); return $headers; } /** * Retrieve HTTP Headers from URL. * * @since 1.5.1 * * @param string $url * @param bool $deprecated Not Used. * @return bool|string False on failure, headers on success. */ function wp_get_http_headers( $url, $deprecated = false ) { $response = wp_remote_head( $url ); if ( is_wp_error( $response ) ) return false; return wp_remote_retrieve_headers( $response ); } /** * Whether today is a new day. * * @since 0.71 * @uses $day Today * @uses $previousday Previous day * * @return int 1 when new day, 0 if not a new day. */ function is_new_day() { global $day, $previousday; if ( $day != $previousday ) return 1; else return 0; } /** * Build URL query based on an associative and, or indexed array. * * This is a convenient function for easily building url queries. It sets the * separator to '&' and uses _http_build_query() function. * * @see _http_build_query() Used to build the query * @link http://us2.php.net/manual/en/function.http-build-query.php more on what * http_build_query() does. * * @since 2.3.0 * * @param array $data URL-encode key/value pairs. * @return string URL encoded string */ function build_query( $data ) { return _http_build_query( $data, null, '&', '', false ); } /** * Retrieve a modified URL query string. * * You can rebuild the URL and append a new query variable to the URL query by * using this function. You can also retrieve the full URL with query data. * * Adding a single key & value or an associative array. Setting a key value to * emptystring removes the key. Omitting oldquery_or_uri uses the $_SERVER * value. * * @since 1.5.0 * * @param mixed $param1 Either newkey or an associative_array * @param mixed $param2 Either newvalue or oldquery or uri * @param mixed $param3 Optional. Old query or uri * @return string New URL query string. */ function add_query_arg() { $ret = ''; if ( is_array( func_get_arg(0) ) ) { if ( @func_num_args() < 2 || false === @func_get_arg( 1 ) ) $uri = $_SERVER['REQUEST_URI']; else $uri = @func_get_arg( 1 ); } else { if ( @func_num_args() < 3 || false === @func_get_arg( 2 ) ) $uri = $_SERVER['REQUEST_URI']; else $uri = @func_get_arg( 2 ); } if ( $frag = strstr( $uri, '#' ) ) $uri = substr( $uri, 0, -strlen( $frag ) ); else $frag = ''; if ( preg_match( '|^https?://|i', $uri, $matches ) ) { $protocol = $matches[0]; $uri = substr( $uri, strlen( $protocol ) ); } else { $protocol = ''; } if ( strpos( $uri, '?' ) !== false ) { $parts = explode( '?', $uri, 2 ); if ( 1 == count( $parts ) ) { $base = '?'; $query = $parts[0]; } else { $base = $parts[0] . '?'; $query = $parts[1]; } } elseif ( !empty( $protocol ) || strpos( $uri, '=' ) === false ) { $base = $uri . '?'; $query = ''; } else { $base = ''; $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 ); } else { $qs[func_get_arg( 0 )] = func_get_arg( 1 ); } foreach ( (array) $qs as $k => $v ) { if ( $v === false ) unset( $qs[$k] ); } $ret = build_query( $qs ); $ret = trim( $ret, '?' ); $ret = preg_replace( '#=(&|$)#', '$1', $ret ); $ret = $protocol . $base . $ret . $frag; $ret = rtrim( $ret, '?' ); return $ret; } /** * Removes an item or list from the query string. * * @since 1.5.0 * * @param string|array $key Query key or keys to remove. * @param bool $query When false uses the $_SERVER value. * @return string New URL query string. */ function remove_query_arg( $key, $query=false ) { if ( is_array( $key ) ) { // removing multiple keys foreach ( $key as $k ) $query = add_query_arg( $k, false, $query ); return $query; } return add_query_arg( $key, false, $query ); } /** * Walks the array while sanitizing the contents. * * @uses $wpdb Used to sanitize values * @since 0.71 * * @param array $array Array to used to walk while sanitizing contents. * @return array Sanitized $array. */ function add_magic_quotes( $array ) { global $wpdb; foreach ( (array) $array as $k => $v ) { if ( is_array( $v ) ) { $array[$k] = add_magic_quotes( $v ); } else { $array[$k] = $wpdb->escape( $v ); } } return $array; } /** * HTTP request for URI to retrieve content. * * @since 1.5.1 * @uses wp_remote_get() * * @param string $uri URI/URL of web page to retrieve. * @return bool|string HTTP content. False on failure. */ function wp_remote_fopen( $uri ) { $parsed_url = @parse_url( $uri ); if ( !$parsed_url || !is_array( $parsed_url ) ) return false; $options = array(); $options['timeout'] = 10; $response = wp_remote_get( $uri, $options ); if ( is_wp_error( $response ) ) return false; return $response['body']; } /** * Setup the WordPress query. * * @since 2.0.0 * * @param string $query_vars Default WP_Query arguments. */ function wp( $query_vars = '' ) { global $wp, $wp_query, $wp_the_query; $wp->main( $query_vars ); if( !isset($wp_the_query) ) $wp_the_query = $wp_query; } /** * Retrieve the description for the HTTP status. * * @since 2.3.0 * * @param int $code HTTP status code. * @return string Empty string if not found, or description if found. */ function get_status_header_desc( $code ) { global $wp_header_to_desc; $code = absint( $code ); if ( !isset( $wp_header_to_desc ) ) { $wp_header_to_desc = array( 100 => 'Continue', 101 => 'Switching Protocols', 200 => 'OK', 201 => 'Created', 202 => 'Accepted', 203 => 'Non-Authoritative Information', 204 => 'No Content', 205 => 'Reset Content', 206 => 'Partial Content', 300 => 'Multiple Choices', 301 => 'Moved Permanently', 302 => 'Found', 303 => 'See Other', 304 => 'Not Modified', 305 => 'Use Proxy', 307 => 'Temporary Redirect', 400 => 'Bad Request', 401 => 'Unauthorized', 403 => 'Forbidden', 404 => 'Not Found', 405 => 'Method Not Allowed', 406 => 'Not Acceptable', 407 => 'Proxy Authentication Required', 408 => 'Request Timeout', 409 => 'Conflict', 410 => 'Gone', 411 => 'Length Required', 412 => 'Precondition Failed', 413 => 'Request Entity Too Large', 414 => 'Request-URI Too Long', 415 => 'Unsupported Media Type', 416 => 'Requested Range Not Satisfiable', 417 => 'Expectation Failed', 500 => 'Internal Server Error', 501 => 'Not Implemented', 502 => 'Bad Gateway', 503 => 'Service Unavailable', 504 => 'Gateway Timeout', 505 => 'HTTP Version Not Supported' ); } if ( isset( $wp_header_to_desc[$code] ) ) return $wp_header_to_desc[$code]; else return ''; } /** * Set HTTP status header. * * @since 2.0.0 * @uses apply_filters() Calls 'status_header' on status header string, HTTP * HTTP code, HTTP code description, and protocol string as separate * parameters. * * @param int $header HTTP status code * @return null Does not return anything. */ function status_header( $header ) { $text = get_status_header_desc( $header ); if ( empty( $text ) ) return false; $protocol = $_SERVER["SERVER_PROTOCOL"]; if ( 'HTTP/1.1' != $protocol && 'HTTP/1.0' != $protocol ) $protocol = 'HTTP/1.0'; $status_header = "$protocol $header $text"; if ( function_exists( 'apply_filters' ) ) $status_header = apply_filters( 'status_header', $status_header, $header, $text, $protocol ); if ( version_compare( phpversion(), '4.3.0', '>=' ) ) return @header( $status_header, true, $header ); else return @header( $status_header ); } /** * Sets the headers to prevent caching for the different browsers. * * Different browsers support different nocache headers, so several headers must * be sent so that all of them get the point that no caching should occur. * * @since 2.0.0 */ 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' ); } /** * Set the headers for caching for 10 days with JavaScript content type. * * @since 2.1.0 */ function cache_javascript_headers() { $expiresOffset = 864000; // 10 days header( "Content-Type: text/javascript; charset=" . get_bloginfo( 'charset' ) ); header( "Vary: Accept-Encoding" ); // Handle proxies header( "Expires: " . gmdate( "D, d M Y H:i:s", time() + $expiresOffset ) . " GMT" ); } /** * Retrieve the number of database queries during the WordPress execution. * * @since 2.0.0 * * @return int Number of database queries */ function get_num_queries() { global $wpdb; return $wpdb->num_queries; } /** * Whether input is yes or no. Must be 'y' to be true. * * @since 1.0.0 * * @param string $yn Character string containing either 'y' or 'n' * @return bool True if yes, false on anything else */ function bool_from_yn( $yn ) { return ( strtolower( $yn ) == 'y' ); } /** * Loads the feed template from the use of an action hook. * * If the feed action does not have a hook, then the function will die with a * message telling the visitor that the feed is not valid. * * It is better to only have one hook for each feed. * * @since 2.1.0 * @uses $wp_query Used to tell if the use a comment feed. * @uses do_action() Calls 'do_feed_$feed' hook, if a hook exists for the feed. */ function do_feed() { global $wp_query; $feed = get_query_var( 'feed' ); // Remove the pad, if present. $feed = preg_replace( '/^_+/', '', $feed ); if ( $feed == '' || $feed == 'feed' ) $feed = get_default_feed(); $hook = 'do_feed_' . $feed; if ( !has_action($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 ); } /** * Load the RDF RSS 0.91 Feed template. * * @since 2.1.0 */ function do_feed_rdf() { load_template( ABSPATH . WPINC . '/feed-rdf.php' ); } /** * Load the RSS 1.0 Feed Template * * @since 2.1.0 */ function do_feed_rss() { load_template( ABSPATH . WPINC . '/feed-rss.php' ); } /** * Load either the RSS2 comment feed or the RSS2 posts feed. * * @since 2.1.0 * * @param bool $for_comments True for the comment feed, false for normal feed. */ function do_feed_rss2( $for_comments ) { if ( $for_comments ) load_template( ABSPATH . WPINC . '/feed-rss2-comments.php' ); else load_template( ABSPATH . WPINC . '/feed-rss2.php' ); } /** * Load either Atom comment feed or Atom posts feed. * * @since 2.1.0 * * @param bool $for_comments True for the comment feed, false for normal feed. */ function do_feed_atom( $for_comments ) { if ($for_comments) load_template( ABSPATH . WPINC . '/feed-atom-comments.php'); else load_template( ABSPATH . WPINC . '/feed-atom.php' ); } /** * Display the robot.txt file content. * * The echo content should be with usage of the permalinks or for creating the * robot.txt file. * * @since 2.1.0 * @uses do_action() Calls 'do_robotstxt' hook for displaying robot.txt rules. */ function do_robots() { header( 'Content-Type: text/plain; charset=utf-8' ); do_action( 'do_robotstxt' ); if ( '0' == get_option( 'blog_public' ) ) { echo "User-agent: *\n"; echo "Disallow: /\n"; } else { echo "User-agent: *\n"; echo "Disallow:\n"; } } /** * Test whether blog is already installed. * * The cache will be checked first. If you have a cache plugin, which saves the * cache values, then this will work. If you use the default WordPress cache, * and the database goes away, then you might have problems. * * Checks for the option siteurl for whether WordPress is installed. * * @since 2.1.0 * @uses $wpdb * * @return bool Whether blog is already installed. */ function is_blog_installed() { global $wpdb; // 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; } /** * Retrieve URL with nonce added to URL query. * * @package WordPress * @subpackage Security * @since 2.0.4 * * @param string $actionurl URL to add nonce action * @param string $action Optional. Nonce action name * @return string URL with nonce action added. */ function wp_nonce_url( $actionurl, $action = -1 ) { $actionurl = str_replace( '&', '&', $actionurl ); return wp_specialchars( add_query_arg( '_wpnonce', wp_create_nonce( $action ), $actionurl ) ); } /** * Retrieve or display nonce hidden field for forms. * * The nonce field is used to validate that the contents of the form came from * the location on the current site and not somewhere else. The nonce does not * offer absolute protection, but should protect against most cases. It is very * important to use nonce field in forms. * * If you set $echo to true and set $referer to true, then you will need to * retrieve the {@link wp_referer_field() wp referer field}. If you have the * $referer set to true and are echoing the nonce field, it will also echo the * referer field. * * The $action and $name are optional, but if you want to have better security, * it is strongly suggested to set those two parameters. It is easier to just * call the function without any parameters, because validation of the nonce * doesn't require any parameters, but since crackers know what the default is * it won't be difficult for them to find a way around your nonce and cause * damage. * * The input name will be whatever $name value you gave. The input value will be * the nonce creation value. * * @package WordPress * @subpackage Security * @since 2.0.4 * * @param string $action Optional. Action name. * @param string $name Optional. Nonce name. * @param bool $referer Optional, default true. Whether to set the referer field for validation. * @param bool $echo Optional, default true. Whether to display or return hidden form field. * @return string Nonce field. */ function wp_nonce_field( $action = -1, $name = "_wpnonce", $referer = true , $echo = true ) { $name = 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( $echo, 'previous' ); return $nonce_field; } /** * Retrieve or display referer hidden field for forms. * * The referer link is the current Request URI from the server super global. The * input name is '_wp_http_referer', in case you wanted to check manually. * * @package WordPress * @subpackage Security * @since 2.0.4 * * @param bool $echo Whether to echo or return the referer field. * @return string Referer field. */ function wp_referer_field( $echo = true) { $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; } /** * Retrieve or display original referer hidden field for forms. * * The input name is '_wp_original_http_referer' and will be either the same * value of {@link wp_referer_field()}, if that was posted already or it will * be the current page, if it doesn't exist. * * @package WordPress * @subpackage Security * @since 2.0.4 * * @param bool $echo Whether to echo the original http referer * @param string $jump_back_to Optional, default is 'current'. Can be 'previous' or page you want to jump back to. * @return string Original referer field. */ function wp_original_referer_field( $echo = true, $jump_back_to = 'current' ) { $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; } /** * Retrieve referer from '_wp_http_referer', HTTP referer, or current page respectively. * * @package WordPress * @subpackage Security * @since 2.0.4 * * @return string|bool False on failure. Referer URL on success. */ function wp_get_referer() { $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; } /** * Retrieve original referer that was posted, if it exists. * * @package WordPress * @subpackage Security * @since 2.0.4 * * @return string|bool False if no original referer or original referer if set. */ function wp_get_original_referer() { if ( !empty( $_REQUEST['_wp_original_http_referer'] ) ) return $_REQUEST['_wp_original_http_referer']; return false; } /** * Recursive directory creation based on full path. * * Will attempt to set permissions on folders. * * @since 2.0.1 * * @param string $target Full path to attempt to create. * @return bool Whether the path was created or not. True if path already exists. */ function wp_mkdir_p( $target ) { // from php.net/mkdir user contributed notes $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 ) ); $dir_perms = $stat['mode'] & 0007777; // Get the permission bits. @chmod( $target, $dir_perms ); return true; } 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 ); return false; } /** * Test if a give filesystem path is absolute ('/foo/bar', 'c:\windows'). * * @since 2.5.0 * * @param string $path File path * @return bool True if path is absolute, false is not absolute. */ function path_is_absolute( $path ) { // this is definitive if true but fails if $path does not exist or contains a symbolic link if ( realpath($path) == $path ) return true; if ( strlen($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'). * * If the $path is absolute, then it the full path is returned. * * @since 2.5.0 * * @param string $base * @param string $path * @return string The path with the base or absolute path. */ function path_join( $base, $path ) { if ( path_is_absolute($path) ) return $path; return rtrim($base, '/') . '/' . ltrim($path, '/'); } /** * Get an array containing the current upload directory's path and url. * * Checks the 'upload_path' option, which should be from the web root folder, * and if it isn't empty it will be used. If it is empty, then the path will be * 'WP_CONTENT_DIR/uploads'. If the 'UPLOADS' constant is defined, then it will * override the 'upload_path' option and 'WP_CONTENT_DIR/uploads' path. * * The upload URL path is set either by the 'upload_url_path' option or by using * the 'WP_CONTENT_URL' constant and appending '/uploads' to the path. * * If the 'uploads_use_yearmonth_folders' is set to true (checkbox if checked in * the administration settings panel), then the time will be used. The format * will be year first and then month. * * If the path couldn't be created, then an error will be returned with the key * 'error' containing the error message. The error suggests that the parent * directory is not writable by the server. * * On success, the returned array will have many indices: * 'path' - base directory and sub directory or full path to upload directory. * 'url' - base url and sub directory or absolute URL to upload directory. * 'subdir' - sub directory if uploads use year/month folders option is on. * 'basedir' - path without subdir. * 'baseurl' - URL path without subdir. * 'error' - set to false. * * @since 2.0.0 * @uses apply_filters() Calls 'upload_dir' on returned array. * * @param string $time Optional. Time formatted in 'yyyy/mm'. * @return array See above for description. */ function wp_upload_dir( $time = null ) { $siteurl = get_option( 'siteurl' ); $upload_path = get_option( 'upload_path' ); $upload_path = trim($upload_path); if ( empty($upload_path) ) $dir = WP_CONTENT_DIR . '/uploads'; else $dir = $upload_path; // $dir is absolute, $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 ) ) $url = WP_CONTENT_URL . '/uploads'; else $url = trailingslashit( $siteurl ) . $upload_path; } if ( defined('UPLOADS') ) { $dir = ABSPATH . UPLOADS; $url = trailingslashit( $siteurl ) . UPLOADS; } $bdir = $dir; $burl = $url; $subdir = ''; if ( get_option( 'uploads_use_yearmonth_folders' ) ) { // Generate the yearly and monthly dirs if ( !$time ) $time = current_time( 'mysql' ); $y = substr( $time, 0, 4 ); $m = substr( $time, 5, 2 ); $subdir = "/$y/$m"; } $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 ); } $uploads = array( 'path' => $dir, 'url' => $url, 'subdir' => $subdir, 'basedir' => $bdir, 'baseurl' => $burl, 'error' => false ); return apply_filters( 'upload_dir', $uploads ); } /** * Get a filename that is sanitized and unique for the given directory. * * If the filename is not unique, then a number will be added to the filename * before the extension, and will continue adding numbers until the filename is * unique. * * The callback must accept two parameters, the first one is the directory and * the second is the filename. The callback must be a function. * * @since 2.5 * * @param string $dir * @param string $filename * @param string $unique_filename_callback Function name, must be a function. * @return string New filename, if given wasn't unique. */ function wp_unique_filename( $dir, $filename, $unique_filename_callback = null ) { $filename = strtolower( $filename ); // separate the filename into a name and extension $info = pathinfo($filename); $ext = !empty($info['extension']) ? $info['extension'] : ''; $name = basename($filename, ".{$ext}"); // edge case: if file is named '.ext', treat as an empty name if( $name === ".$ext" ) $name = ''; // Increment the file number until we have a unique file to save in $dir. Use $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 ) ) $ext = strtolower( ".$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; } /** * Create a file in the upload folder with given content. * * If there is an error, then the key 'error' will exist with the error message. * If success, then the key 'file' will have the unique file path, the 'url' key * will have the link to the new file. and the 'error' key will be set to false. * * This function will not move an uploaded file to the upload folder. It will * create a new file with the content in $bits parameter. If you move the upload * file, read the content of the uploaded file, and then you can give the * filename and content to this function, which will add it to the upload * folder. * * The permissions will be set on the new file automatically by this function. * * @since 2.0.0 * * @param string $name * @param null $deprecated Not used. Set to null. * @param mixed $bits File content * @param string $time Optional. Time formatted in 'yyyy/mm'. * @return array */ function wp_upload_bits( $name, $deprecated, $bits, $time = null ) { if ( empty( $name ) ) return array( 'error' => __( 'Empty filename' ) ); $wp_filetype = wp_check_filetype( $name ); if ( !$wp_filetype['ext'] ) return array( 'error' => __( 'Invalid file type' ) ); $upload = wp_upload_dir( $time ); if ( $upload['error'] !== false ) return $upload; $filename = wp_unique_filename( $upload['path'], $name ); $new_file = $upload['path'] . "/$filename"; if ( ! wp_mkdir_p( dirname( $new_file ) ) ) { $message = sprintf( __( 'Unable to create directory %s. Is its parent directory writable by the server?' ), dirname( $new_file ) ); return array( 'error' => $message ); } $ifp = @ fopen( $new_file, 'wb' ); if ( ! $ifp ) return array( 'error' => sprintf( __( 'Could not write file %s' ), $new_file ) ); @fwrite( $ifp, $bits ); fclose( $ifp ); // Set correct file permissions $stat = @ stat( dirname( $new_file ) ); $perms = $stat['mode'] & 0007777; $perms = $perms & 0000666; @ chmod( $new_file, $perms ); // Compute the URL $url = $upload['url'] . "/$filename"; return array( 'file' => $new_file, 'url' => $url, 'error' => false ); } /** * Retrieve the file type based on the extension name. * * @package WordPress * @since 2.5.0 * @uses apply_filters() Calls 'ext2type' hook on default supported types. * * @param string $ext The extension to search. * @return string|null The file type, example: audio, video, document, spreadsheet, etc. Null if not found. */ function wp_ext2type( $ext ) { $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; } /** * Retrieve the file type from the file name. * * You can optionally define the mime array, if needed. * * @since 2.0.4 * * @param string $filename File name or path. * @param array $mimes Optional. Key is the file extension with value as the mime type. * @return array Values with extension first and mime type. */ function wp_check_filetype( $filename, $mimes = null ) { // Accepted MIME types are set here as PCRE unless provided. $mimes = ( is_array( $mimes ) ) ? $mimes : apply_filters( 'upload_mimes', array( 'jpg|jpeg|jpe' => 'image/jpeg', 'gif' => 'image/gif', 'png' => 'image/png', 'bmp' => 'image/bmp', 'tif|tiff' => 'image/tiff', 'ico' => 'image/x-icon', 'asf|asx|wax|wmv|wmx' => 'video/asf', 'avi' => 'video/avi', 'mov|qt' => 'video/quicktime', 'mpeg|mpg|mpe|mp4' => 'video/mpeg', 'txt|c|cc|h' => 'text/plain', 'rtx' => 'text/richtext', 'css' => 'text/css', 'htm|html' => 'text/html', 'mp3|m4a' => 'audio/mpeg', 'ra|ram' => 'audio/x-realaudio', 'wav' => 'audio/wav', 'ogg' => 'audio/ogg', 'mid|midi' => 'audio/midi', 'wma' => 'audio/wma', 'rtf' => 'application/rtf', 'js' => 'application/javascript', 'pdf' => 'application/pdf', 'doc' => 'application/msword', 'pot|pps|ppt' => 'application/vnd.ms-powerpoint', 'wri' => 'application/vnd.ms-write', 'xla|xls|xlt|xlw' => 'application/vnd.ms-excel', 'mdb' => 'application/vnd.ms-access', 'mpp' => 'application/vnd.ms-project', 'swf' => 'application/x-shockwave-flash', 'class' => 'application/java', 'tar' => 'application/x-tar', 'zip' => 'application/zip', 'gz|gzip' => 'application/x-gzip', 'exe' => 'application/x-msdownload', // openoffice formats 'odt' => 'application/vnd.oasis.opendocument.text', 'odp' => 'application/vnd.oasis.opendocument.presentation', 'ods' => 'application/vnd.oasis.opendocument.spreadsheet', 'odg' => 'application/vnd.oasis.opendocument.graphics', 'odc' => 'application/vnd.oasis.opendocument.chart', 'odb' => 'application/vnd.oasis.opendocument.database', 'odf' => 'application/vnd.oasis.opendocument.formula', ) ); $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 = $ext_matches[1]; break; } } return compact( 'ext', 'type' ); } /** * Retrieve nonce action "Are you sure" message. * * The action is split by verb and noun. The action format is as follows: * verb-action_extra. The verb is before the first dash and has the format of * letters and no spaces and numbers. The noun is after the dash and before the * underscore, if an underscore exists. The noun is also only letters. * * The filter will be called for any action, which is not defined by WordPress. * You may use the filter for your plugin to explain nonce actions to the user, * when they get the "Are you sure?" message. The filter is in the format of * 'explain_nonce_$verb-$noun' with the $verb replaced by the found verb and the * $noun replaced by the found noun. The two parameters that are given to the * hook are the localized "Are you sure you want to do this?" message with the * extra text (the text after the underscore). * * @package WordPress * @subpackage Security * @since 2.0.4 * * @param string $action Nonce action. * @return string Are you sure message. */ 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( __( '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' ); $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]; $object = $matches[4]; if ( 'use_id' != $lookup ) $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] ); } /** * Display "Are You Sure" message to confirm the action being taken. * * If the action has the nonce explain message, then it will be displayed along * with the "Are you sure?" message. * * @package WordPress * @subpackage Security * @since 2.0.4 * * @param string $action The nonce action. */ function wp_nonce_ays( $action ) { $title = __( 'WordPress Failure Notice' ); $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' ) ); wp_die( $html, $title); } /** * Kill WordPress execution and display HTML message with error message. * * Call this function complements the die() PHP function. The difference is that * HTML will be displayed to the user. It is recommended to use this function * only, when the execution should not continue any further. It is not * recommended to call this function very often and try to handle as many errors * as possible siliently. * * @since 2.0.4 * * @param string $message Error message. * @param string $title Error title. */ function wp_die( $message, $title = '' ) { global $wp_locale; if ( function_exists( 'is_wp_error' ) && is_wp_error( $message ) ) { if ( empty( $title ) ) { $error_data = $message->get_error_data(); if ( is_array( $error_data ) && isset( $error_data['title'] ) ) $title = $error_data['title']; } $errors = $message->get_error_messages(); switch ( count( $errors ) ) : case 0 : $message = ''; break; case 1 : $message = "<p>{$errors[0]}</p>"; break; default : $message = "<ul>\n\t\t<li>" . join( "</li>\n\t\t<li>", $errors ) . "</li>\n\t</ul>"; break; endswitch; } elseif ( is_string( $message ) ) { $message = "<p>$message</p>"; } if ( defined( 'WP_SITEURL' ) && '' != WP_SITEURL ) $admin_dir = WP_SITEURL . '/wp-admin/'; elseif ( function_exists( 'get_bloginfo' ) && '' != get_bloginfo( 'wpurl' ) ) $admin_dir = get_bloginfo( 'wpurl' ) . '/wp-admin/'; elseif ( strpos( $_SERVER['PHP_SELF'], 'wp-admin' ) !== false ) $admin_dir = ''; else $admin_dir = 'wp-admin/'; if ( !function_exists( 'did_action' ) || !did_action( 'admin_head' ) ) : if( !headers_sent() ){ status_header( 500 ); nocache_headers(); header( 'Content-Type: text/html; charset=utf-8' ); } if ( empty($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(); ?>> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title><?php echo $title ?> text_direction ) ) : ?> text_direction ) { $input['directionality'] = 'rtl'; $input['plugins'] .= ',directionality'; $input['theme_advanced_buttons1'] .= ',ltr'; } return $input; } /** * Convert smiley code to the icon graphic file equivalent. * * You can turn off smilies, by going to the write setting screen and unchecking * the box, or by setting 'use_smilies' option to false or removing the option. * * Plugins may override the default smiley list by setting the $wpsmiliestrans * to an array, with the key the code the blogger types in and the value the * image file. * * The $wp_smiliessearch global is for the regular expression array and is * set each time the function is called. The $wp_smiliesreplace is the full * replacement. Supposely, the $wp_smiliessearch array is looped over using * preg_replace() or just setting the array of $wp_smiliessearch along with the * array of $wp_smiliesreplace in the search and replace parameters of * preg_replace(), which would be faster and less overhead. Either way, both are * used with preg_replace() and can be defined after the function is called. * * The full list of smilies can be found in the function and won't be listed in * the description. Probably should create a Codex page for it, so that it is * available. * * @global array $wpsmiliestrans * @global array $wp_smiliesreplace * @global array $wp_smiliessearch * @since 2.2.0 */ function smilies_init() { global $wpsmiliestrans, $wp_smiliessearch, $wp_smiliesreplace; // don't bother setting up smilies if they are disabled if ( !get_option( 'use_smilies' ) ) return; if ( !isset( $wpsmiliestrans ) ) { $wpsmiliestrans = array( ':mrgreen:' => 'icon_mrgreen.gif', ':neutral:' => 'icon_neutral.gif', ':twisted:' => 'icon_twisted.gif', ':arrow:' => 'icon_arrow.gif', ':shock:' => 'icon_eek.gif', ':smile:' => 'icon_smile.gif', ':???:' => 'icon_confused.gif', ':cool:' => 'icon_cool.gif', ':evil:' => 'icon_evil.gif', ':grin:' => 'icon_biggrin.gif', ':idea:' => 'icon_idea.gif', ':oops:' => 'icon_redface.gif', ':razz:' => 'icon_razz.gif', ':roll:' => 'icon_rolleyes.gif', ':wink:' => 'icon_wink.gif', ':cry:' => 'icon_cry.gif', ':eek:' => 'icon_surprised.gif', ':lol:' => 'icon_lol.gif', ':mad:' => 'icon_mad.gif', ':sad:' => 'icon_sad.gif', '8-)' => 'icon_cool.gif', '8-O' => 'icon_eek.gif', ':-(' => 'icon_sad.gif', ':-)' => 'icon_smile.gif', ':-?' => 'icon_confused.gif', ':-D' => 'icon_biggrin.gif', ':-P' => 'icon_razz.gif', ':-o' => 'icon_surprised.gif', ':-x' => 'icon_mad.gif', ':-|' => 'icon_neutral.gif', ';-)' => 'icon_wink.gif', '8)' => 'icon_cool.gif', '8O' => 'icon_eek.gif', ':(' => 'icon_sad.gif', ':)' => 'icon_smile.gif', ':?' => 'icon_confused.gif', ':D' => 'icon_biggrin.gif', ':P' => 'icon_razz.gif', ':o' => 'icon_surprised.gif', ':x' => 'icon_mad.gif', ':|' => 'icon_neutral.gif', ';)' => 'icon_wink.gif', ':!:' => 'icon_exclaim.gif', ':?:' => 'icon_question.gif', ); } $siteurl = get_option( 'siteurl' ); foreach ( (array) $wpsmiliestrans as $smiley => $img ) { $wp_smiliessearch[] = '/(\s|^)' . preg_quote( $smiley, '/' ) . '(\s|$)/'; $smiley_masked = attribute_escape( trim( $smiley ) ); $wp_smiliesreplace[] = " $smiley_masked "; } } /** * Merge user defined arguments into defaults array. * * This function is used throughout WordPress to allow for both string or array * to be merged into another array. * * @since 2.2.0 * * @param string|array $args Value to merge with $defaults * @param array $defaults Array that serves as the defaults. * @return array Merged user defined values with defaults. */ function wp_parse_args( $args, $defaults = '' ) { if ( is_object( $args ) ) $r = get_object_vars( $args ); elseif ( is_array( $args ) ) $r =& $args; else wp_parse_str( $args, $r ); if ( is_array( $defaults ) ) return array_merge( $defaults, $r ); return $r; } /** * Determines if Widgets library should be loaded. * * Checks to make sure that the widgets library hasn't already been loaded. If * it hasn't, then it will load the widgets library and run an action hook. * * @since 2.2.0 * @uses add_action() Calls '_admin_menu' hook with 'wp_widgets_add_menu' value. */ function wp_maybe_load_widgets() { if ( !function_exists( 'dynamic_sidebar' ) ) { require_once( ABSPATH . WPINC . '/widgets.php' ); add_action( '_admin_menu', 'wp_widgets_add_menu' ); } } /** * Append the Widgets menu to the themes main menu. * * @since 2.2.0 * @uses $submenu The administration submenu list. */ function wp_widgets_add_menu() { global $submenu; $submenu['themes.php'][7] = array( __( 'Widgets' ), 'switch_themes', 'widgets.php' ); ksort( $submenu['themes.php'], SORT_NUMERIC ); } /** * Flush all output buffers for PHP 5.2. * * Make sure all output buffers are flushed before our singletons our destroyed. * * @since 2.2.0 */ function wp_ob_end_flush_all() { while ( @ob_end_flush() ); } /** * Load 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. * * @since 2.5.0 * @global $wpdb WordPress Database Object */ function require_wp_db() { global $wpdb; if ( file_exists( WP_CONTENT_DIR . '/db.php' ) ) require_once( WP_CONTENT_DIR . '/db.php' ); else require_once( ABSPATH . WPINC . '/wp-db.php' ); } /** * Load custom DB error or display WordPress DB error. * * If a file exists in the wp-content directory named db-error.php, then it will * be loaded instead of displaying the WordPress DB error. If it is not found, * then the WordPress DB error will be displayed instead. * * The WordPress DB error sets the HTTP status header to 500 to try to prevent * search engines from caching the message. Custom DB messages should do the * same. * * This function was backported to the the WordPress 2.3.2, but originally was * added in WordPress 2.5.0. * * @since 2.3.2 * @uses $wpdb */ function dead_db() { global $wpdb; // Load custom DB error template, if present. if ( file_exists( WP_CONTENT_DIR . '/db-error.php' ) ) { require_once( WP_CONTENT_DIR . '/db-error.php' ); die(); } // If installing or in the admin, provide the verbose message. if ( defined('WP_INSTALLING') || defined('WP_ADMIN') ) wp_die($wpdb->error); // Otherwise, be terse. status_header( 500 ); nocache_headers(); header( 'Content-Type: text/html; charset=utf-8' ); ?> > Database Error

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deprecated since version %2$s! Use %3$s instead.'), $function, $version, $replacement ) ); else trigger_error( sprintf( __('%1$s is deprecated since version %2$s with no alternative available.'), $function, $version ) ); } } /** * Marks a file as deprecated and informs when it has been used. * * There is a hook deprecated_file_included that will be called that can be used * to get the backtrace up to what file and function included the deprecated * file. * * The current behavior is to trigger 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 2.5.0 * @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 deprecated 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( sprintf( __('%1$s is deprecated since version %2$s! Use %3$s instead.'), $file, $version, $replacement ) ); else trigger_error( sprintf( __('%1$s is deprecated since version %2$s with no alternative available.'), $file, $version ) ); } } /** * Is the server running earlier than 1.5.0 version of lighttpd * * @since 2.5.0 * * @return bool Whether the server is running lighttpd < 1.5.0 */ function is_lighttpd_before_150() { $server_parts = explode( '/', isset( $_SERVER['SERVER_SOFTWARE'] )? $_SERVER['SERVER_SOFTWARE'] : '' ); $server_parts[1] = isset( $server_parts[1] )? $server_parts[1] : ''; return 'lighttpd' == $server_parts[0] && -1 == version_compare( $server_parts[1], '1.5.0' ); } /** * Does the specified module exist in the apache config? * * @since 2.5.0 * * @param string $mod e.g. mod_rewrite * @param bool $default The default return value if the module is not found * @return bool */ function apache_mod_loaded($mod, $default = false) { global $is_apache; if ( !$is_apache ) return false; if ( function_exists('apache_get_modules') ) { $mods = apache_get_modules(); if ( in_array($mod, $mods) ) return true; } elseif ( function_exists('phpinfo') ) { ob_start(); phpinfo(8); $phpinfo = ob_get_clean(); if ( false !== strpos($phpinfo, $mod) ) return true; } return $default; } /** * File validates against allowed set of defined rules. * * A return value of '1' means that the $file contains either '..' or './'. A * return value of '2' means that the $file contains ':' after the first * character. A return value of '3' means that the file is not in the allowed * files list. * * @since 1.2.0 * * @param string $file File path. * @param array $allowed_files List of allowed files. * @return int 0 means nothing is wrong, greater than 0 means something was wrong. */ function validate_file( $file, $allowed_files = '' ) { if ( false !== strpos( $file, '..' )) return 1; if ( false !== strpos( $file, './' )) return 1; if (':' == substr( $file, 1, 1 )) return 2; if (!empty ( $allowed_files ) && (!in_array( $file, $allowed_files ) ) ) return 3; return 0; } /** * Determine if SSL is used. * * @since 2.6.0 * * @return bool True if SSL, false if not used. */ function is_ssl() { return ( isset($_SERVER['HTTPS']) && 'on' == strtolower($_SERVER['HTTPS']) ) ? true : false; } /** * Whether SSL login should be forced. * * @since 2.6.0 * * @param string|bool $force Optional. * @return bool True if forced, false if not forced. */ function force_ssl_login($force = '') { static $forced; if ( '' != $force ) { $old_forced = $forced; $forced = $force; return $old_forced; } return $forced; } /** * Whether to force SSL used for the Administration Panels. * * @since 2.6.0 * * @param string|bool $force * @return bool True if forced, false if not forced. */ function force_ssl_admin($force = '') { static $forced; if ( '' != $force ) { $old_forced = $forced; $forced = $force; return $old_forced; } return $forced; } /** * Guess the URL for the site. * * Will remove wp-admin links to retrieve only return URLs not in the wp-admin * directory. * * @since 2.6.0 * * @return string */ function wp_guess_url() { if ( defined('WP_SITEURL') && '' != WP_SITEURL ) { $url = WP_SITEURL; } else { $schema = ( isset($_SERVER['HTTPS']) && strtolower($_SERVER['HTTPS']) == 'on' ) ? 'https://' : 'http://'; $url = preg_replace('|/wp-admin/.*|i', '', $schema . $_SERVER['HTTP_HOST'] . $_SERVER['REQUEST_URI']); } return $url; } /** * Suspend cache invalidation. * * Turns cache invalidation on and off. Useful during imports where you don't wont to do invalidations * every time a post is inserted. Callers must be sure that what they are doing won't lead to an inconsistent * cache when invalidation is suspended. * * @since 2.7.0 * * @param bool $suspend Whether to suspend or enable cache invalidation * @return bool The current suspend setting */ function wp_suspend_cache_invalidation($suspend = true) { global $_wp_suspend_cache_invalidation; $current_suspend = $_wp_suspend_cache_invalidation; $_wp_suspend_cache_invalidation = $suspend; return $current_suspend; } ?>