WordPressを読む 5 /blog/wp-settings.php
2014/12/05
/blog/wp-settings.php
読込元 :/blog/wp-config.php
読込元 :/blog/wp-load.php
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | <?php /** * Used to set up and fix common variables and include * the WordPress procedural and class library. * * Allows for some configuration in wp-config.php (see default-constants.php) * * @internal This file must be parsable by PHP4. * * @package WordPress */ /** * Stores the location of the WordPress directory of functions, classes, and core content. * * @since 1.0.0 */ define( 'WPINC', 'wp-includes' ); |
定数 WPINCを定義
WPINC wp-includes
1 2 3 | // Include files required for initialization. require( ABSPATH . WPINC . '/load.php' ); require( ABSPATH . WPINC . '/default-constants.php' ); |
以下をロード
ファイル
/blog/wp-includes/load.php
/blog/wp-includes/default-constants.php
1 2 3 4 5 6 7 | /* * These can't be directly globalized in version.php. When updating, * we're including version.php from another install and don't want * these values to be overridden if already set. */ global $wp_version, $wp_db_version, $tinymce_version, $required_php_version, $required_mysql_version; require( ABSPATH . WPINC . '/version.php' ); |
変数
$wp_version
$wp_db_version
$tinymce_version
$required_php_version
以下をロード
ファイル
/blog/wp-includes/version.php
1 2 3 4 5 | // Set initial default constants including WP_MEMORY_LIMIT, WP_MAX_MEMORY_LIMIT, WP_DEBUG, WP_CONTENT_DIR and WP_CACHE. wp_initial_constants(); // Check for the required PHP version and for the MySQL extension or a database drop-in. wp_check_php_mysql_versions(); |
関数
wp_initial_constants() WordPress定数の初期化
wp_check_php_mysql_versions() MySQLの環境をチェックする
1 2 3 4 5 6 | // Disable magic quotes at runtime. Magic quotes are added using wpdb later in wp-settings.php. @ini_set( 'magic_quotes_runtime', 0 ); @ini_set( 'magic_quotes_sybase', 0 ); // WordPress calculates offsets from UTC. date_default_timezone_set( 'UTC' ); |
関数
ini_set() 設定オプションの値を設定する
date_default_timezone_set() スクリプト中の日付/時刻関数で使用されるデフォルトタイムゾーンを設定する
＠マーク エラー制御演算子
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 | // Turn register_globals off. wp_unregister_GLOBALS(); // Standardize $_SERVER variables across setups. wp_fix_server_vars(); // Check if we have received a request due to missing favicon.ico wp_favicon_request(); // Check if we're in maintenance mode. wp_maintenance(); // Start loading timer. timer_start(); // Check if we're in WP_DEBUG mode. wp_debug_mode(); // For an advanced caching plugin to use. Uses a static drop-in because you would only want one. |
関数
wp_unregister_GLOBALS() register_globals が On の環境でも Off と同様の状態にする
wp_fix_server_vars() 稼働環境による違いを吸収する
wp_favicon_request() ファビコンリクエストチェック
wp_maintenance() メンテナンスモードチェック
timer_start() WordPressのタイマースタート
wp_debug_mode() デバックモードチェック
1 2 3 4 5 | if ( WP_CACHE ) WP_DEBUG ? include( WP_CONTENT_DIR . '/advanced-cache.php' ) : @include( WP_CONTENT_DIR . '/advanced-cache.php' ); // Define WP_LANG_DIR if not set. wp_set_lang_dir(); |
定数
WP_CACHE false
WP_DEBUG false
WP_CONTENT_DIR /blog/wp-content
ファイル
/blog/wp-content/advanced-cache.php 存在しません。
このif文の後の三項演算子の式は実行されません。[WP_CACHE]は必ずfalseなので、include文は実行されず、advanced-cache.php が読込まれることはありません。
この式、WP_DEBUGの値(false)に対して真・偽 どちらでも同じファイルをインクルードせよ というのは 意味無いじゃん と思います。どうしてこのようなコードが存在するのか調べてみました。
関数
wp_set_lang_dir() 多言語対応の為のディレクトリセット
1 2 3 4 5 6 7 | // Load early WordPress files. require( ABSPATH . WPINC . '/compat.php' ); require( ABSPATH . WPINC . '/functions.php' ); require( ABSPATH . WPINC . '/class-wp.php' ); require( ABSPATH . WPINC . '/class-wp-error.php' ); require( ABSPATH . WPINC . '/plugin.php' ); require( ABSPATH . WPINC . '/pomo/mo.php' ); |
ファイル
/blog/wp-includes/compat.php
/blog/wp-includes/functions.php
/blog/wp-includes/class-wp.php
/blog/wp-includes/class-wp-error.php
/blog/wp-includes/plugin.php
/blog/wp-includes/pomo/mo.php
1 2 3 4 5 6 7 8 | // Include the wpdb class and, if present, a db.php database drop-in. require_wp_db(); // Set the database table prefix and the format specifiers for database table columns. $GLOBALS['table_prefix'] = $table_prefix; wp_set_wpdb_vars(); // Start the WordPress object cache, or an external object cache if the drop-in is present. wp_start_object_cache(); |
$GLOBALS[‘table_prefix’] = $table_prefix;
wp_config.phpにおいて定義 $table_prefix = ‘wp_’;
requireでwp-settingを読み込んでいるので変数 $table_prefix は有効
デフォルトで$GLOBALS[‘table_prefix’]は’wp_’となる。
wp_set_wpdb_vars()
wp_start_object_cache()
1 2 3 4 5 6 7 8 9 10 11 12 | // Attach the default filters. require( ABSPATH . WPINC . '/default-filters.php' ); // Initialize multisite if enabled. if ( is_multisite() ) { require( ABSPATH . WPINC . '/ms-blogs.php' ); require( ABSPATH . WPINC . '/ms-settings.php' ); } elseif ( ! defined( 'MULTISITE' ) ) { define( 'MULTISITE', false ); } register_shutdown_function( 'shutdown_action_hook' ); |
/blog/wp-includes/default-filters.php
is_multisite()
/blog/wp-include/ms-blogs.php
/blog/wp-include/ms-settings.php
MULTISITE false
1 2 3 4 5 6 7 8 9 | // Stop most of WordPress from being loaded if we just want the basics. if ( SHORTINIT ) return false; // Load the L10n library. require_once( ABSPATH . WPINC . '/l10n.php' ); // Run the installer if WordPress is not installed. wp_not_installed(); |
SHORTINIT false
wp_not_installed()
1 2 3 4 5 6 | // Load most of WordPress. require( ABSPATH . WPINC . '/class-wp-walker.php' ); require( ABSPATH . WPINC . '/class-wp-ajax-response.php' ); require( ABSPATH . WPINC . '/formatting.php' ); require( ABSPATH . WPINC . '/capabilities.php' ); require( ABSPATH . WPINC . '/query.php' ); |
/blog/wp-includes/class-wp-walker.php
/blog/wp-includes/class-wp-ajax-response.php
/blog/wp-includes/formatting.php
/blog/wp-includes/capabilities.php
/blog/wp-includes/query.php
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 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 188 189 190 191 192 193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 212 213 214 215 216 217 218 219 220 221 222 223 224 225 226 227 228 229 230 231 232 233 234 235 236 237 238 239 240 241 242 243 244 245 246 247 248 249 250 251 252 253 254 255 256 257 258 | require( ABSPATH . WPINC . '/date.php' ); require( ABSPATH . WPINC . '/theme.php' ); require( ABSPATH . WPINC . '/class-wp-theme.php' ); require( ABSPATH . WPINC . '/template.php' ); require( ABSPATH . WPINC . '/user.php' ); require( ABSPATH . WPINC . '/session.php' ); require( ABSPATH . WPINC . '/meta.php' ); require( ABSPATH . WPINC . '/general-template.php' ); require( ABSPATH . WPINC . '/link-template.php' ); require( ABSPATH . WPINC . '/author-template.php' ); require( ABSPATH . WPINC . '/post.php' ); require( ABSPATH . WPINC . '/post-template.php' ); require( ABSPATH . WPINC . '/revision.php' ); require( ABSPATH . WPINC . '/post-formats.php' ); require( ABSPATH . WPINC . '/post-thumbnail-template.php' ); require( ABSPATH . WPINC . '/category.php' ); require( ABSPATH . WPINC . '/category-template.php' ); require( ABSPATH . WPINC . '/comment.php' ); require( ABSPATH . WPINC . '/comment-template.php' ); require( ABSPATH . WPINC . '/rewrite.php' ); require( ABSPATH . WPINC . '/feed.php' ); require( ABSPATH . WPINC . '/bookmark.php' ); require( ABSPATH . WPINC . '/bookmark-template.php' ); require( ABSPATH . WPINC . '/kses.php' ); require( ABSPATH . WPINC . '/cron.php' ); require( ABSPATH . WPINC . '/deprecated.php' ); require( ABSPATH . WPINC . '/script-loader.php' ); require( ABSPATH . WPINC . '/taxonomy.php' ); require( ABSPATH . WPINC . '/update.php' ); require( ABSPATH . WPINC . '/canonical.php' ); require( ABSPATH . WPINC . '/shortcodes.php' ); require( ABSPATH . WPINC . '/class-wp-embed.php' ); require( ABSPATH . WPINC . '/media.php' ); require( ABSPATH . WPINC . '/http.php' ); require( ABSPATH . WPINC . '/class-http.php' ); require( ABSPATH . WPINC . '/widgets.php' ); require( ABSPATH . WPINC . '/nav-menu.php' ); require( ABSPATH . WPINC . '/nav-menu-template.php' ); require( ABSPATH . WPINC . '/admin-bar.php' ); // Load multisite-specific files. if ( is_multisite() ) { require( ABSPATH . WPINC . '/ms-functions.php' ); require( ABSPATH . WPINC . '/ms-default-filters.php' ); require( ABSPATH . WPINC . '/ms-deprecated.php' ); } // Define constants that rely on the API to obtain the default value. // Define must-use plugin directory constants, which may be overridden in the sunrise.php drop-in. wp_plugin_directory_constants(); $GLOBALS['wp_plugin_paths'] = array(); // Load must-use plugins. foreach ( wp_get_mu_plugins() as $mu_plugin ) { include_once( $mu_plugin ); } unset( $mu_plugin ); // Load network activated plugins. if ( is_multisite() ) { foreach( wp_get_active_network_plugins() as $network_plugin ) { wp_register_plugin_realpath( $network_plugin ); include_once( $network_plugin ); } unset( $network_plugin ); } /** * Fires once all must-use and network-activated plugins have loaded. * * @since 2.8.0 */ do_action( 'muplugins_loaded' ); if ( is_multisite() ) ms_cookie_constants( ); // Define constants after multisite is loaded. Cookie-related constants may be overridden in ms_network_cookies(). wp_cookie_constants(); // Define and enforce our SSL constants wp_ssl_constants(); // Create common globals. require( ABSPATH . WPINC . '/vars.php' ); // Make taxonomies and posts available to plugins and themes. // @plugin authors: warning: these get registered again on the init hook. create_initial_taxonomies(); create_initial_post_types(); // Register the default theme directory root register_theme_directory( get_theme_root() ); // Load active plugins. foreach ( wp_get_active_and_valid_plugins() as $plugin ) { wp_register_plugin_realpath( $plugin ); include_once( $plugin ); } unset( $plugin ); // Load pluggable functions. require( ABSPATH . WPINC . '/pluggable.php' ); require( ABSPATH . WPINC . '/pluggable-deprecated.php' ); // Set internal encoding. wp_set_internal_encoding(); // Run wp_cache_postload() if object cache is enabled and the function exists. if ( WP_CACHE && function_exists( 'wp_cache_postload' ) ) wp_cache_postload(); /** * Fires once activated plugins have loaded. * * Pluggable functions are also available at this point in the loading order. * * @since 1.5.0 */ do_action( 'plugins_loaded' ); // Define constants which affect functionality if not already defined. wp_functionality_constants(); // Add magic quotes and set up $_REQUEST ( $_GET + $_POST ) wp_magic_quotes(); /** * Fires when comment cookies are sanitized. * * @since 2.0.11 */ do_action( 'sanitize_comment_cookies' ); /** * WordPress Query object * @global object $wp_the_query * @since 2.0.0 */ $GLOBALS['wp_the_query'] = new WP_Query(); /** * Holds the reference to @see $wp_the_query * Use this global for WordPress queries * @global object $wp_query * @since 1.5.0 */ $GLOBALS['wp_query'] = $GLOBALS['wp_the_query']; /** * Holds the WordPress Rewrite object for creating pretty URLs * @global object $wp_rewrite * @since 1.5.0 */ $GLOBALS['wp_rewrite'] = new WP_Rewrite(); /** * WordPress Object * @global object $wp * @since 2.0.0 */ $GLOBALS['wp'] = new WP(); /** * WordPress Widget Factory Object * @global object $wp_widget_factory * @since 2.8.0 */ $GLOBALS['wp_widget_factory'] = new WP_Widget_Factory(); /** * WordPress User Roles * @global object $wp_roles * @since 2.0.0 */ $GLOBALS['wp_roles'] = new WP_Roles(); /** * Fires before the theme is loaded. * * @since 2.6.0 */ do_action( 'setup_theme' ); // Define the template related constants. wp_templating_constants( ); // Load the default text localization domain. load_default_textdomain(); $locale = get_locale(); $locale_file = WP_LANG_DIR . "/$locale.php"; if ( ( 0 === validate_file( $locale ) ) && is_readable( $locale_file ) ) require( $locale_file ); unset( $locale_file ); // Pull in locale data after loading text domain. require_once( ABSPATH . WPINC . '/locale.php' ); /** * WordPress Locale object for loading locale domain date and various strings. * @global object $wp_locale * @since 2.1.0 */ $GLOBALS['wp_locale'] = new WP_Locale(); // Load the functions for the active theme, for both parent and child theme if applicable. if ( ! defined( 'WP_INSTALLING' ) || 'wp-activate.php' === $pagenow ) { if ( TEMPLATEPATH !== STYLESHEETPATH && file_exists( STYLESHEETPATH . '/functions.php' ) ) include( STYLESHEETPATH . '/functions.php' ); if ( file_exists( TEMPLATEPATH . '/functions.php' ) ) include( TEMPLATEPATH . '/functions.php' ); } /** * Fires after the theme is loaded. * * @since 3.0.0 */ do_action( 'after_setup_theme' ); // Set up current user. $GLOBALS['wp']->init(); /** * Fires after WordPress has finished loading but before any headers are sent. * * Most of WP is loaded at this stage, and the user is authenticated. WP continues * to load on the init hook that follows (e.g. widgets), and many plugins instantiate * themselves on it for all sorts of reasons (e.g. they need a user, a taxonomy, etc.). * * If you wish to plug an action once WP is loaded, use the wp_loaded hook below. * * @since 1.5.0 */ do_action( 'init' ); // Check site status if ( is_multisite() ) { if ( true !== ( $file = ms_site_check() ) ) { require( $file ); die(); } unset($file); } /** * This hook is fired once WP, all plugins, and the theme are fully loaded and instantiated. * * AJAX requests should use wp-admin/admin-ajax.php. admin-ajax.php can handle requests for * users not logged in. * * @link http://codex.wordpress.org/AJAX_in_Plugins * * @since 3.0.0 */ do_action( 'wp_loaded' ); |