WordPressを読む 6 /blog/wp-includes/load.php
2014/11/29
目次
- 1 load.php
- 2 読込元 :/blog/wp-settings.php
- 3 読込元 :/blog/wp-load.php
- 4 register_globals が On の環境でも Off と同様の状態にする関数を定義
- 5 稼働環境による違いを吸収する関数を定義
- 6 MySQLの環境をチェックする関数を定義
- 7 ファビコンリクエスト関数を定義
- 8 メンテナンスモードの関数を定義
- 9 WordPressのタイマー関数を定義
- 10 タイマーストップ 関数を定義
- 11 デバックモード 関数を定義
- 12 多言語対応の為のディレクトリセット 関数を定義
- 13 データベースに接続する関数を定義
- 14 データベース情報を配列に纏める関数を定義
- 15 キャッシュ機能 関数を定義
- 16 WordPressのキャッシュオブジェクトを開始する関数を定義
- 17 WordPress インストールされていない場合の処理関数 を定義
- 18 プラグインの場所・実態を配列で返す関数を定義
- 19 有効なプラグインのPHPファイルを配列で返す関数を定義
- 20 エンコーディングを設定する関数を定義
- 21 WordPress のマジッククオート
- 22 サーバシャットダウン時のフック 関数を定義
- 23 WordPressのクローンを作成する関数の定義
- 24 リクエストページが管理者ページか調べる admin判定 関数の定義
- 25 リクエストページがブログ管理者ページか調べる 関数の定義
- 26 リクエストページがネットワーク管理者ページか調べる 関数の定義
- 27 リクエストページがユーザ管理者ページか調べる 関数の定義
- 28 マルチサイトか調べる 関数の定義
- 29 現在のブログIDを取得する 関数の定義
- 30 高速翻訳を実行する関数の定義のようですが・・・
load.php
読込元 :/blog/wp-settings.php
読込元 :/blog/wp-load.php
register_globals が On の環境でも Off と同様の状態にする関数を定義
wp_unregister_GLOBALS()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 | <?php /** * These functions are needed to load WordPress. * * @internal This file must be parsable by PHP4. * * @package WordPress */ /** * Turn register globals off. * * @since 2.1.0 * @access private * * @return null Will return null if register_globals PHP directive was disabled. */ function wp_unregister_GLOBALS() { if ( !ini_get( 'register_globals' ) ) return; if ( isset( $_REQUEST['GLOBALS'] ) ) die( 'GLOBALS overwrite attempt detected' ); // Variables that shouldn't be unset $no_unset = array( 'GLOBALS', '_GET', '_POST', '_COOKIE', '_REQUEST', '_SERVER', '_ENV', '_FILES', 'table_prefix' ); $input = array_merge( $_GET, $_POST, $_COOKIE, $_SERVER, $_ENV, $_FILES, isset( $_SESSION ) && is_array( $_SESSION ) ? $_SESSION : array() ); foreach ( $input as $k => $v ) if ( !in_array( $k, $no_unset ) && isset( $GLOBALS[$k] ) ) { unset( $GLOBALS[$k] ); } } |
$_SERVER サーバ関連の情報が格納されている配列
稼働環境による違いを吸収する関数を定義
関数
wp_fix_server_vars()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 | /** * Fix `$_SERVER` variables for various setups. * * @since 3.0.0 * @access private * * @global string $PHP_SELF The filename of the currently executing script, * relative to the document root. */ function wp_fix_server_vars() { global $PHP_SELF; $default_server_values = array( 'SERVER_SOFTWARE' => '', 'REQUEST_URI' => '', ); $_SERVER = array_merge( $default_server_values, $_SERVER ); // Fix for IIS when running with PHP ISAPI if ( empty( $_SERVER['REQUEST_URI'] ) || ( php_sapi_name() != 'cgi-fcgi' && preg_match( '/^Microsoft-IIS\//', $_SERVER['SERVER_SOFTWARE'] ) ) ) { // IIS Mod-Rewrite if ( isset( $_SERVER['HTTP_X_ORIGINAL_URL'] ) ) { $_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_ORIGINAL_URL']; } // IIS Isapi_Rewrite else if ( isset( $_SERVER['HTTP_X_REWRITE_URL'] ) ) { $_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_REWRITE_URL']; } else { // Use ORIG_PATH_INFO if there is no PATH_INFO if ( !isset( $_SERVER['PATH_INFO'] ) && isset( $_SERVER['ORIG_PATH_INFO'] ) ) $_SERVER['PATH_INFO'] = $_SERVER['ORIG_PATH_INFO']; // Some IIS + PHP configurations puts the script-name in the path-info (No need to append it twice) if ( isset( $_SERVER['PATH_INFO'] ) ) { if ( $_SERVER['PATH_INFO'] == $_SERVER['SCRIPT_NAME'] ) $_SERVER['REQUEST_URI'] = $_SERVER['PATH_INFO']; else $_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'] . $_SERVER['PATH_INFO']; } // Append the query string if it exists and isn't null if ( ! empty( $_SERVER['QUERY_STRING'] ) ) { $_SERVER['REQUEST_URI'] .= '?' . $_SERVER['QUERY_STRING']; } } } // Fix for PHP as CGI hosts that set SCRIPT_FILENAME to something ending in php.cgi for all requests if ( isset( $_SERVER['SCRIPT_FILENAME'] ) && ( strpos( $_SERVER['SCRIPT_FILENAME'], 'php.cgi' ) == strlen( $_SERVER['SCRIPT_FILENAME'] ) - 7 ) ) $_SERVER['SCRIPT_FILENAME'] = $_SERVER['PATH_TRANSLATED']; // Fix for Dreamhost and other PHP as CGI hosts if ( strpos( $_SERVER['SCRIPT_NAME'], 'php.cgi' ) !== false ) unset( $_SERVER['PATH_INFO'] ); // Fix empty PHP_SELF $PHP_SELF = $_SERVER['PHP_SELF']; if ( empty( $PHP_SELF ) ) $_SERVER['PHP_SELF'] = $PHP_SELF = preg_replace( '/(\?.*)?$/', '', $_SERVER["REQUEST_URI"] ); } |
MySQLの環境をチェックする関数を定義
wp_check_php_mysql_versions()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | /** * Check for the required PHP version, and the MySQL extension or * a database drop-in. * * Dies if requirements are not met. * * @since 3.0.0 * @access private * * @global string $required_php_version The required PHP version string. * @global string $wp_version The WordPress version string. */ function wp_check_php_mysql_versions() { global $required_php_version, $wp_version; $php_version = phpversion(); if ( version_compare( $required_php_version, $php_version, '>' ) ) { wp_load_translations_early(); header( 'Content-Type: text/html; charset=utf-8' ); die( sprintf( __( 'Your server is running PHP version %1$s but WordPress %2$s requires at least %3$s.' ), $php_version, $wp_version, $required_php_version ) ); } if ( ! extension_loaded( 'mysql' ) && ! extension_loaded( 'mysqli' ) && ! file_exists( WP_CONTENT_DIR . '/db.php' ) ) { wp_load_translations_early(); header( 'Content-Type: text/html; charset=utf-8' ); die( __( 'Your PHP installation appears to be missing the MySQL extension which is required by WordPress.' ) ); } } |
ファビコンリクエスト関数を定義
wp_favicon_request()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 | /** * Don't load all of WordPress when handling a favicon.ico request. * * Instead, send the headers for a zero-length favicon and bail. * * @since 3.0.0 */ function wp_favicon_request() { if ( '/favicon.ico' == $_SERVER['REQUEST_URI'] ) { header('Content-Type: image/vnd.microsoft.icon'); header('Content-Length: 0'); exit; } } |
メンテナンスモードの関数を定義
wp_maintenance()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 | /** * Die with a maintenance message when conditions are met. * * Checks for a file in the WordPress root directory named ".maintenance". * This file will contain the variable $upgrading, set to the time the file * was created. If the file was created less than 10 minutes ago, WordPress * enters maintenance mode and displays a message. * * The default message can be replaced by using a drop-in (maintenance.php in * the wp-content directory). * * @since 3.0.0 * @access private * * @global int $upgrading the unix timestamp marking when upgrading WordPress began. */ function wp_maintenance() { if ( !file_exists( ABSPATH . '.maintenance' ) || defined( 'WP_INSTALLING' ) ) return; global $upgrading; include( ABSPATH . '.maintenance' ); // If the $upgrading timestamp is older than 10 minutes, don't die. if ( ( time() - $upgrading ) >= 600 ) return; if ( file_exists( WP_CONTENT_DIR . '/maintenance.php' ) ) { require_once( WP_CONTENT_DIR . '/maintenance.php' ); die(); } wp_load_translations_early(); $protocol = $_SERVER["SERVER_PROTOCOL"]; if ( 'HTTP/1.1' != $protocol && 'HTTP/1.0' != $protocol ) $protocol = 'HTTP/1.0'; header( "$protocol 503 Service Unavailable", true, 503 ); header( 'Content-Type: text/html; charset=utf-8' ); header( 'Retry-After: 600' ); ?> <!DOCTYPE html> <html xmlns="http://www.w3.org/1999/xhtml"<?php if ( is_rtl() ) echo ' dir="rtl"'; ?>> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <title><?php _e( 'Maintenance' ); ?></title> </head> <body> <h1><?php _e( 'Briefly unavailable for scheduled maintenance. Check back in a minute.' ); ?></h1> </body> </html> <?php die(); } |
WordPressのタイマー関数を定義
timer_start()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | /** * Start the WordPress micro-timer. * * @since 0.71 * @access private * * @global float $timestart Unix timestamp set at the beginning of the page load. * @see timer_stop() * * @return bool Always returns true. */ function timer_start() { global $timestart; $timestart = microtime( true ); return true; } |
タイマーストップ 関数を定義
timer_stop()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 | /** * Retrieve or display the time from the page start to when function is called. * * @since 0.71 * * @global float $timestart Seconds from when timer_start() is called. * @global float $timeend Seconds from when function is called. * * @param int $display Whether to echo or return the results. Accepts 0|false for return, * 1|true for echo. Default 0|false. * @param int $precision The number of digits from the right of the decimal to display. * Default 3. * @return string The "second.microsecond" finished time calculation. The number is formatted * for human consumption, both localized and rounded. */ function timer_stop( $display = 0, $precision = 3 ) { global $timestart, $timeend; $timeend = microtime( true ); $timetotal = $timeend - $timestart; $r = ( function_exists( 'number_format_i18n' ) ) ? number_format_i18n( $timetotal, $precision ) : number_format( $timetotal, $precision ); if ( $display ) echo $r; return $r; } |
デバックモード 関数を定義
wp_debug_mode()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 | /** * Set PHP error reporting based on WordPress debug settings. * * Uses three constants: `WP_DEBUG`, `WP_DEBUG_DISPLAY`, and `WP_DEBUG_LOG`. * All three can be defined in wp-config.php, and by default are set to false. * * When `WP_DEBUG` is true, all PHP notices are reported. WordPress will also * display internal notices: when a deprecated WordPress function, function * argument, or file is used. Deprecated code may be removed from a later * version. * * It is strongly recommended that plugin and theme developers use `WP_DEBUG` * in their development environments. * * `WP_DEBUG_DISPLAY` and `WP_DEBUG_LOG` perform no function unless `WP_DEBUG` * is true. * * When `WP_DEBUG_DISPLAY` is true, WordPress will force errors to be displayed. * `WP_DEBUG_DISPLAY` defaults to true. Defining it as null prevents WordPress * from changing the global configuration setting. Defining `WP_DEBUG_DISPLAY` * as false will force errors to be hidden. * * When `WP_DEBUG_LOG` is true, errors will be logged to debug.log in the content * directory. * * Errors are never displayed for XML-RPC requests. * * @since 3.0.0 * @access private */ function wp_debug_mode() { if ( WP_DEBUG ) { error_reporting( E_ALL ); if ( WP_DEBUG_DISPLAY ) ini_set( 'display_errors', 1 ); elseif ( null !== WP_DEBUG_DISPLAY ) ini_set( 'display_errors', 0 ); if ( WP_DEBUG_LOG ) { ini_set( 'log_errors', 1 ); ini_set( 'error_log', WP_CONTENT_DIR . '/debug.log' ); } } else { error_reporting( E_CORE_ERROR | E_CORE_WARNING | E_COMPILE_ERROR | E_ERROR | E_WARNING | E_PARSE | E_USER_ERROR | E_USER_WARNING | E_RECOVERABLE_ERROR ); } if ( defined( 'XMLRPC_REQUEST' ) ) ini_set( 'display_errors', 0 ); } |
多言語対応の為のディレクトリセット 関数を定義
wp_set_lang_dir()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 | /** * Set the location of the language directory. * * To set directory manually, define the `WP_LANG_DIR` constant * in wp-config.php. * * If the language directory exists within `WP_CONTENT_DIR`, it * is used. Otherwise the language directory is assumed to live * in `WPINC`. * * @since 3.0.0 * @access private */ function wp_set_lang_dir() { if ( !defined( 'WP_LANG_DIR' ) ) { if ( file_exists( WP_CONTENT_DIR . '/languages' ) && @is_dir( WP_CONTENT_DIR . '/languages' ) || !@is_dir(ABSPATH . WPINC . '/languages') ) { /** * Server path of the language directory. * * No leading slash, no trailing slash, full path, not relative to ABSPATH * * @since 2.1.0 */ define( 'WP_LANG_DIR', WP_CONTENT_DIR . '/languages' ); if ( !defined( 'LANGDIR' ) ) { // Old static relative path maintained for limited backwards compatibility - won't work in some cases define( 'LANGDIR', 'wp-content/languages' ); } } else { /** * Server path of the language directory. * * No leading slash, no trailing slash, full path, not relative to `ABSPATH`. * * @since 2.1.0 */ define( 'WP_LANG_DIR', ABSPATH . WPINC . '/languages' ); if ( !defined( 'LANGDIR' ) ) { // Old relative path maintained for backwards compatibility define( 'LANGDIR', WPINC . '/languages' ); } } } } |
データベースに接続する関数を定義
require_wp_db()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | /** * Load the database class file and instantiate the `$wpdb` global. * * @since 2.5.0 * * @global wpdb $wpdb The WordPress database class. */ function require_wp_db() { global $wpdb; require_once( ABSPATH . WPINC . '/wp-db.php' ); if ( file_exists( WP_CONTENT_DIR . '/db.php' ) ) require_once( WP_CONTENT_DIR . '/db.php' ); if ( isset( $wpdb ) ) return; $wpdb = new wpdb( DB_USER, DB_PASSWORD, DB_NAME, DB_HOST ); } |
データベース情報を配列に纏める関数を定義
wp_set_wpdb_vars()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 | /** * Set the database table prefix and the format specifiers for database * table columns. * * Columns not listed here default to `%s`. * * @since 3.0.0 * @access private * * @global wpdb $wpdb The WordPress database class. * @global string $table_prefix The database table prefix. */ function wp_set_wpdb_vars() { global $wpdb, $table_prefix; if ( !empty( $wpdb->error ) ) dead_db(); $wpdb->field_types = array( 'post_author' => '%d', 'post_parent' => '%d', 'menu_order' => '%d', 'term_id' => '%d', 'term_group' => '%d', 'term_taxonomy_id' => '%d', 'parent' => '%d', 'count' => '%d','object_id' => '%d', 'term_order' => '%d', 'ID' => '%d', 'comment_ID' => '%d', 'comment_post_ID' => '%d', 'comment_parent' => '%d', 'user_id' => '%d', 'link_id' => '%d', 'link_owner' => '%d', 'link_rating' => '%d', 'option_id' => '%d', 'blog_id' => '%d', 'meta_id' => '%d', 'post_id' => '%d', 'user_status' => '%d', 'umeta_id' => '%d', 'comment_karma' => '%d', 'comment_count' => '%d', // multisite: 'active' => '%d', 'cat_id' => '%d', 'deleted' => '%d', 'lang_id' => '%d', 'mature' => '%d', 'public' => '%d', 'site_id' => '%d', 'spam' => '%d', ); $prefix = $wpdb->set_prefix( $table_prefix ); if ( is_wp_error( $prefix ) ) { wp_load_translations_early(); wp_die( __( '<strong>ERROR</strong>: <code>$table_prefix</code> in <code>wp-config.php</code> can only contain numbers, letters, and underscores.' ) ); } } |
キャッシュ機能 関数を定義
wp_using_ext_object_cache( $using = null )
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | /** * Access/Modify private global variable `$_wp_using_ext_object_cache`. * * Toggle `$_wp_using_ext_object_cache` on and off without directly * touching global. * * @since 3.7.0 * * @param bool $using Whether external object cache is being used. * @return bool The current 'using' setting. */ function wp_using_ext_object_cache( $using = null ) { global $_wp_using_ext_object_cache; $current_using = $_wp_using_ext_object_cache; if ( null !== $using ) $_wp_using_ext_object_cache = $using; return $current_using; } |
WordPressのキャッシュオブジェクトを開始する関数を定義
wp_start_object_cache()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 | /** * Start the WordPress object cache. * * If an object-cache.php file exists in the wp-content directory, * it uses that drop-in as an external object cache. * * @since 3.0.0 * @access private * * @global int $blog_id Blog ID. */ function wp_start_object_cache() { global $blog_id; $first_init = false; if ( ! function_exists( 'wp_cache_init' ) ) { if ( file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) { require_once ( WP_CONTENT_DIR . '/object-cache.php' ); if ( function_exists( 'wp_cache_init' ) ) wp_using_ext_object_cache( true ); } $first_init = true; } else if ( ! wp_using_ext_object_cache() && file_exists( WP_CONTENT_DIR . '/object-cache.php' ) ) { /* * Sometimes advanced-cache.php can load object-cache.php before * it is loaded here. This breaks the function_exists check above * and can result in `$_wp_using_ext_object_cache` being set * incorrectly. Double check if an external cache exists. */ wp_using_ext_object_cache( true ); } if ( ! wp_using_ext_object_cache() ) require_once ( ABSPATH . WPINC . '/cache.php' ); /* * If cache supports reset, reset instead of init if already * initialized. Reset signals to the cache that global IDs * have changed and it may need to update keys and cleanup caches. */ if ( ! $first_init && function_exists( 'wp_cache_switch_to_blog' ) ) wp_cache_switch_to_blog( $blog_id ); elseif ( function_exists( 'wp_cache_init' ) ) wp_cache_init(); if ( function_exists( 'wp_cache_add_global_groups' ) ) { wp_cache_add_global_groups( array( 'users', 'userlogins', 'usermeta', 'user_meta', 'site-transient', 'site-options', 'site-lookup', 'blog-lookup', 'blog-details', 'rss', 'global-posts', 'blog-id-cache' ) ); wp_cache_add_non_persistent_groups( array( 'comment', 'counts', 'plugins' ) ); } } |
WordPress インストールされていない場合の処理関数 を定義
wp_not_installed()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 | /** * Redirect to the installer if WordPress is not installed. * * Dies with an error message when Multisite is enabled. * * @since 3.0.0 * @access private */ function wp_not_installed() { if ( is_multisite() ) { if ( ! is_blog_installed() && ! defined( 'WP_INSTALLING' ) ) { nocache_headers(); wp_die( __( 'The site you have requested is not installed properly. Please contact the system administrator.' ) ); } } elseif ( ! is_blog_installed() && false === strpos( $_SERVER['PHP_SELF'], 'install.php' ) && !defined( 'WP_INSTALLING' ) ) { nocache_headers(); require( ABSPATH . WPINC . '/kses.php' ); require( ABSPATH . WPINC . '/pluggable.php' ); require( ABSPATH . WPINC . '/formatting.php' ); $link = wp_guess_url() . '/wp-admin/install.php'; wp_redirect( $link ); die(); } } |
プラグインの場所・実態を配列で返す関数を定義
wp_get_mu_plugins()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 | /** * Retrieve an array of must-use plugin files. * * The default directory is wp-content/mu-plugins. To change the default * directory manually, define `WPMU_PLUGIN_DIR` and `WPMU_PLUGIN_URL` * in wp-config.php. * * @since 3.0.0 * @access private * * @return array Files to include. */ function wp_get_mu_plugins() { $mu_plugins = array(); if ( !is_dir( WPMU_PLUGIN_DIR ) ) return $mu_plugins; if ( ! $dh = opendir( WPMU_PLUGIN_DIR ) ) return $mu_plugins; while ( ( $plugin = readdir( $dh ) ) !== false ) { if ( substr( $plugin, -4 ) == '.php' ) $mu_plugins[] = WPMU_PLUGIN_DIR . '/' . $plugin; } closedir( $dh ); sort( $mu_plugins ); return $mu_plugins; } |
有効なプラグインのPHPファイルを配列で返す関数を定義
wp_get_active_and_valid_plugins()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 | /** * Retrieve an array of active and valid plugin files. * * While upgrading or installing WordPress, no plugins are returned. * * The default directory is wp-content/plugins. To change the default * directory manually, define `WP_PLUGIN_DIR` and `WP_PLUGIN_URL` * in wp-config.php. * * @since 3.0.0 * @access private * * @return array Files. */ function wp_get_active_and_valid_plugins() { $plugins = array(); $active_plugins = (array) get_option( 'active_plugins', array() ); // Check for hacks file if the option is enabled if ( get_option( 'hack_file' ) && file_exists( ABSPATH . 'my-hacks.php' ) ) { _deprecated_file( 'my-hacks.php', '1.5' ); array_unshift( $plugins, ABSPATH . 'my-hacks.php' ); } if ( empty( $active_plugins ) || defined( 'WP_INSTALLING' ) ) return $plugins; $network_plugins = is_multisite() ? wp_get_active_network_plugins() : false; foreach ( $active_plugins as $plugin ) { if ( ! validate_file( $plugin ) // $plugin must validate as file && '.php' == substr( $plugin, -4 ) // $plugin must end with '.php' && file_exists( WP_PLUGIN_DIR . '/' . $plugin ) // $plugin must exist // not already included as a network plugin && ( ! $network_plugins || ! in_array( WP_PLUGIN_DIR . '/' . $plugin, $network_plugins ) ) ) $plugins[] = WP_PLUGIN_DIR . '/' . $plugin; } return $plugins; } |
エンコーディングを設定する関数を定義
wp_set_internal_encoding()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | /** * Set internal encoding. * * In most cases the default internal encoding is latin1, which is * of no use, since we want to use the `mb_` functions for `utf-8` strings. * * @since 3.0.0 * @access private */ function wp_set_internal_encoding() { if ( function_exists( 'mb_internal_encoding' ) ) { $charset = get_option( 'blog_charset' ); if ( ! $charset || ! @mb_internal_encoding( $charset ) ) mb_internal_encoding( 'UTF-8' ); } } |
WordPress のマジッククオート
wp_magic_quotes()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 | /** * Add magic quotes to `$_GET`, `$_POST`, `$_COOKIE`, and `$_SERVER`. * * Also forces `$_REQUEST` to be `$_GET + $_POST`. If `$_SERVER`, * `$_COOKIE`, or `$_ENV` are needed, use those superglobals directly. * * @since 3.0.0 * @access private */ function wp_magic_quotes() { // If already slashed, strip. if ( get_magic_quotes_gpc() ) { $_GET = stripslashes_deep( $_GET ); $_POST = stripslashes_deep( $_POST ); $_COOKIE = stripslashes_deep( $_COOKIE ); } // Escape with wpdb. $_GET = add_magic_quotes( $_GET ); $_POST = add_magic_quotes( $_POST ); $_COOKIE = add_magic_quotes( $_COOKIE ); $_SERVER = add_magic_quotes( $_SERVER ); // Force REQUEST to be GET + POST. $_REQUEST = array_merge( $_GET, $_POST ); } |
サーバシャットダウン時のフック 関数を定義
shutdown_action_hook()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | /** * Runs just before PHP shuts down execution. * * @since 1.2.0 * @access private */ function shutdown_action_hook() { /** * Fires just before PHP shuts down execution. * * @since 1.2.0 */ do_action( 'shutdown' ); wp_cache_close(); } |
WordPressのクローンを作成する関数の定義
wp_clone( $object )
1 2 3 4 5 6 7 8 9 10 11 12 13 | /** * Copy an object. * * @since 2.7.0 * @deprecated 3.2.0 * * @param object $object The object to clone. * @return object The cloned object. */ function wp_clone( $object ) { // Use parens for clone to accommodate PHP 4. See #17880 return clone( $object ); } |
リクエストページが管理者ページか調べる admin判定 関数の定義
is_admin()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | /** * Whether the current request is for an administrative interface page. * * Does not check if the user is an administrator; {@see current_user_can()} * for checking roles and capabilities. * * @since 1.5.1 * * @return bool True if inside WordPress administration interface, false otherwise. */ function is_admin() { if ( isset( $GLOBALS['current_screen'] ) ) return $GLOBALS['current_screen']->in_admin(); elseif ( defined( 'WP_ADMIN' ) ) return WP_ADMIN; return false; } |
リクエストページがブログ管理者ページか調べる 関数の定義
is_blog_admin()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | /** * Whether the current request is for a site's admininstrative interface. * * e.g. `/wp-admin/` * * Does not check if the user is an administrator; {@see current_user_can()} * for checking roles and capabilities. * * @since 3.1.0 * * @return bool True if inside WordPress blog administration pages. */ function is_blog_admin() { if ( isset( $GLOBALS['current_screen'] ) ) return $GLOBALS['current_screen']->in_admin( 'site' ); elseif ( defined( 'WP_BLOG_ADMIN' ) ) return WP_BLOG_ADMIN; return false; } |
リクエストページがネットワーク管理者ページか調べる 関数の定義
is_network_admin()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 | /** * Whether the current request is for the network administrative interface. * * e.g. `/wp-admin/network/` * * Does not check if the user is an administrator; {@see current_user_can()} * for checking roles and capabilities. * * @since 3.1.0 * * @return bool True if inside WordPress network administration pages. */ function is_network_admin() { if ( isset( $GLOBALS['current_screen'] ) ) return $GLOBALS['current_screen']->in_admin( 'network' ); elseif ( defined( 'WP_NETWORK_ADMIN' ) ) return WP_NETWORK_ADMIN; return false; } |
リクエストページがユーザ管理者ページか調べる 関数の定義
is_user_admin()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 | /** * Whether the current request is for a user admin screen. * * e.g. `/wp-admin/user/` * * Does not inform on whether the user is an admin! Use capability * checks to tell if the user should be accessing a section or not * {@see current_user_can()}. * * @since 3.1.0 * * @return bool True if inside WordPress user administration pages. */ function is_user_admin() { if ( isset( $GLOBALS['current_screen'] ) ) return $GLOBALS['current_screen']->in_admin( 'user' ); elseif ( defined( 'WP_USER_ADMIN' ) ) return WP_USER_ADMIN; return false; } |
マルチサイトか調べる 関数の定義
is_multisite()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 | /** * If Multisite is enabled. * * @since 3.0.0 * * @return bool True if Multisite is enabled, false otherwise. */ function is_multisite() { if ( defined( 'MULTISITE' ) ) return MULTISITE; if ( defined( 'SUBDOMAIN_INSTALL' ) || defined( 'VHOST' ) || defined( 'SUNRISE' ) ) return true; return false; } |
現在のブログIDを取得する 関数の定義
get_current_blog_id()
1 2 3 4 5 6 7 8 9 10 11 | /** * Retrieve the current blog ID. * * @since 3.1.0 * * @return int Blog id */ function get_current_blog_id() { global $blog_id; return absint($blog_id); } |
高速翻訳を実行する関数の定義のようですが・・・
この関数は動きません。
1 2 3 | static $loaded = false; if ( $loaded ) return; |
必ずfalseになり、return します。将来の為の実装なのかもしれません。
と思っていたのですが、大きな間違いでした。
こんなコードは書いたことが無いのでわかりませんでした。
詳細は以下で
wp_load_translations_early()
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 | /** * Attempt an early load of translations. * * Used for errors encountered during the initial loading process, before * the locale has been properly detected and loaded. * * Designed for unusual load sequences (like setup-config.php) or for when * the script will then terminate with an error, otherwise there is a risk * that a file can be double-included. * * @since 3.4.0 * @access private * * @global $wp_locale The WordPress date and time locale object. */ function wp_load_translations_early() { global $text_direction, $wp_locale; static $loaded = false; if ( $loaded ) return; $loaded = true; if ( function_exists( 'did_action' ) && did_action( 'init' ) ) return; // We need $wp_local_package require ABSPATH . WPINC . '/version.php'; // Translation and localization require_once ABSPATH . WPINC . '/pomo/mo.php'; require_once ABSPATH . WPINC . '/l10n.php'; require_once ABSPATH . WPINC . '/locale.php'; // General libraries require_once ABSPATH . WPINC . '/plugin.php'; $locales = $locations = array(); while ( true ) { if ( defined( 'WPLANG' ) ) { if ( '' == WPLANG ) break; $locales[] = WPLANG; } if ( isset( $wp_local_package ) ) $locales[] = $wp_local_package; if ( ! $locales ) break; if ( defined( 'WP_LANG_DIR' ) && @is_dir( WP_LANG_DIR ) ) $locations[] = WP_LANG_DIR; if ( defined( 'WP_CONTENT_DIR' ) && @is_dir( WP_CONTENT_DIR . '/languages' ) ) $locations[] = WP_CONTENT_DIR . '/languages'; if ( @is_dir( ABSPATH . 'wp-content/languages' ) ) $locations[] = ABSPATH . 'wp-content/languages'; if ( @is_dir( ABSPATH . WPINC . '/languages' ) ) $locations[] = ABSPATH . WPINC . '/languages'; if ( ! $locations ) break; $locations = array_unique( $locations ); foreach ( $locales as $locale ) { foreach ( $locations as $location ) { if ( file_exists( $location . '/' . $locale . '.mo' ) ) { load_textdomain( 'default', $location . '/' . $locale . '.mo' ); if ( defined( 'WP_SETUP_CONFIG' ) && file_exists( $location . '/admin-' . $locale . '.mo' ) ) load_textdomain( 'default', $location . '/admin-' . $locale . '.mo' ); break 2; } } } break; } $wp_locale = new WP_Locale(); } |