1 <?php

     2 /**

     3  * Used to set up and fix common variables and include

     4  * the WordPress procedural and class library.

     5  *

     6  * Allows for some configuration in wp-config.php (see default-constants.php)

     7  *

     8  * @internal This file must be parsable by PHP4.

     9  *

    10  * @package WordPress

    11  */

    12 

    13 /**

    14  * Stores the location of the WordPress directory of functions, classes, and core content.

    15  *

    16  * @since 1.0.0

    17  */

    18 define( 'WPINC', 'wp-includes' );

    19 

    20 // Include files required for initialization.

    21 require( ABSPATH . WPINC . '/load.php' );

    22 require( ABSPATH . WPINC . '/default-constants.php' );

    23 require( ABSPATH . WPINC . '/version.php' );

    24 

    25 // Set initial default constants including WP_MEMORY_LIMIT, WP_MAX_MEMORY_LIMIT, WP_DEBUG, WP_CONTENT_DIR and WP_CACHE.

    26 wp_initial_constants();

    27 

    28 // Check for the required PHP version and for the MySQL extension or a database drop-in.

    29 wp_check_php_mysql_versions();

    30 

    31 // Disable magic quotes at runtime. Magic quotes are added using wpdb later in wp-settings.php.

    32 @ini_set( 'magic_quotes_runtime', 0 );

    33 @ini_set( 'magic_quotes_sybase',  0 );

    34 

    35 // WordPress calculates offsets from UTC.

    36 date_default_timezone_set( 'UTC' );

    37 

    38 // Turn register_globals off.

    39 wp_unregister_GLOBALS();

    40 

    41 // Standardize $_SERVER variables across setups.

    42 wp_fix_server_vars();

    43 

    44 // Check if we have received a request due to missing favicon.ico

    45 wp_favicon_request();

    46 

    47 // Check if we're in maintenance mode.

    48 wp_maintenance();

    49 

    50 // Start loading timer.

    51 timer_start();

    52 

    53 // Check if we're in WP_DEBUG mode.

    54 wp_debug_mode();

    55 

    56 // For an advanced caching plugin to use. Uses a static drop-in because you would only want one.

    57 if ( WP_CACHE )

    58 	WP_DEBUG ? include( WP_CONTENT_DIR . '/advanced-cache.php' ) : @include( WP_CONTENT_DIR . '/advanced-cache.php' );

    59 

    60 // Define WP_LANG_DIR if not set.

    61 wp_set_lang_dir();

    62 

    63 // Load early WordPress files.

    64 require( ABSPATH . WPINC . '/compat.php' );

    65 require( ABSPATH . WPINC . '/functions.php' );

    66 require( ABSPATH . WPINC . '/class-wp.php' );

    67 require( ABSPATH . WPINC . '/class-wp-error.php' );

    68 require( ABSPATH . WPINC . '/plugin.php' );

    69 require( ABSPATH . WPINC . '/pomo/mo.php' );

    70 

    71 // Include the wpdb class and, if present, a db.php database drop-in.

    72 require_wp_db();

    73 

    74 // Set the database table prefix and the format specifiers for database table columns.

    75 $GLOBALS['table_prefix'] = $table_prefix;

    76 wp_set_wpdb_vars();

    77 

    78 // Start the WordPress object cache, or an external object cache if the drop-in is present.

    79 wp_start_object_cache();

    80 

    81 // Attach the default filters.

    82 require( ABSPATH . WPINC . '/default-filters.php' );

    83 

    84 // Initialize multisite if enabled.

    85 if ( is_multisite() ) {

    86 	require( ABSPATH . WPINC . '/ms-blogs.php' );

    87 	require( ABSPATH . WPINC . '/ms-settings.php' );

    88 } elseif ( ! defined( 'MULTISITE' ) ) {

    89 	define( 'MULTISITE', false );

    90 }

    91 

    92 register_shutdown_function( 'shutdown_action_hook' );

    93 

    94 // Stop most of WordPress from being loaded if we just want the basics.

    95 if ( SHORTINIT )

    96 	return false;

    97 

    98 // Load the L10n library.

    99 require_once( ABSPATH . WPINC . '/l10n.php' );

   100 

   101 // Run the installer if WordPress is not installed.

   102 wp_not_installed();

   103 

   104 // Load most of WordPress.

   105 require( ABSPATH . WPINC . '/class-wp-walker.php' );

   106 require( ABSPATH . WPINC . '/class-wp-ajax-response.php' );

   107 require( ABSPATH . WPINC . '/formatting.php' );

   108 require( ABSPATH . WPINC . '/capabilities.php' );

   109 require( ABSPATH . WPINC . '/query.php' );

   110 require( ABSPATH . WPINC . '/date.php' );

   111 require( ABSPATH . WPINC . '/theme.php' );

   112 require( ABSPATH . WPINC . '/class-wp-theme.php' );

   113 require( ABSPATH . WPINC . '/template.php' );

   114 require( ABSPATH . WPINC . '/user.php' );

   115 require( ABSPATH . WPINC . '/meta.php' );

   116 require( ABSPATH . WPINC . '/general-template.php' );

   117 require( ABSPATH . WPINC . '/link-template.php' );

   118 require( ABSPATH . WPINC . '/author-template.php' );

   119 require( ABSPATH . WPINC . '/post.php' );

   120 require( ABSPATH . WPINC . '/post-template.php' );

   121 require( ABSPATH . WPINC . '/revision.php' );

   122 require( ABSPATH . WPINC . '/post-formats.php' );

   123 require( ABSPATH . WPINC . '/post-thumbnail-template.php' );

   124 require( ABSPATH . WPINC . '/category.php' );

   125 require( ABSPATH . WPINC . '/category-template.php' );

   126 require( ABSPATH . WPINC . '/comment.php' );

   127 require( ABSPATH . WPINC . '/comment-template.php' );

   128 require( ABSPATH . WPINC . '/rewrite.php' );

   129 require( ABSPATH . WPINC . '/feed.php' );

   130 require( ABSPATH . WPINC . '/bookmark.php' );

   131 require( ABSPATH . WPINC . '/bookmark-template.php' );

   132 require( ABSPATH . WPINC . '/kses.php' );

   133 require( ABSPATH . WPINC . '/cron.php' );

   134 require( ABSPATH . WPINC . '/deprecated.php' );

   135 require( ABSPATH . WPINC . '/script-loader.php' );

   136 require( ABSPATH . WPINC . '/taxonomy.php' );

   137 require( ABSPATH . WPINC . '/update.php' );

   138 require( ABSPATH . WPINC . '/canonical.php' );

   139 require( ABSPATH . WPINC . '/shortcodes.php' );

   140 require( ABSPATH . WPINC . '/class-wp-embed.php' );

   141 require( ABSPATH . WPINC . '/media.php' );

   142 require( ABSPATH . WPINC . '/http.php' );

   143 require( ABSPATH . WPINC . '/class-http.php' );

   144 require( ABSPATH . WPINC . '/widgets.php' );

   145 require( ABSPATH . WPINC . '/nav-menu.php' );

   146 require( ABSPATH . WPINC . '/nav-menu-template.php' );

   147 require( ABSPATH . WPINC . '/admin-bar.php' );

   148 

   149 // Load multisite-specific files.

   150 if ( is_multisite() ) {

   151 	require( ABSPATH . WPINC . '/ms-functions.php' );

   152 	require( ABSPATH . WPINC . '/ms-default-filters.php' );

   153 	require( ABSPATH . WPINC . '/ms-deprecated.php' );

   154 }

   155 

   156 // Define constants that rely on the API to obtain the default value.

   157 // Define must-use plugin directory constants, which may be overridden in the sunrise.php drop-in.

   158 wp_plugin_directory_constants();

   159 

   160 // Load must-use plugins.

   161 foreach ( wp_get_mu_plugins() as $mu_plugin ) {

   162 	include_once( $mu_plugin );

   163 }

   164 unset( $mu_plugin );

   165 

   166 // Load network activated plugins.

   167 if ( is_multisite() ) {

   168 	foreach( wp_get_active_network_plugins() as $network_plugin ) {

   169 		include_once( $network_plugin );

   170 	}

   171 	unset( $network_plugin );

   172 }

   173 

   174 /**

   175  * Fires once all must-use and network-activated plugins have loaded.

   176  *

   177  * @since 2.8.0

   178  */

   179 do_action( 'muplugins_loaded' );

   180 

   181 if ( is_multisite() )

   182 	ms_cookie_constants(  );

   183 

   184 // Define constants after multisite is loaded. Cookie-related constants may be overridden in ms_network_cookies().

   185 wp_cookie_constants();

   186 

   187 // Define and enforce our SSL constants

   188 wp_ssl_constants();

   189 

   190 // Create common globals.

   191 require( ABSPATH . WPINC . '/vars.php' );

   192 

   193 // Make taxonomies and posts available to plugins and themes.

   194 // @plugin authors: warning: these get registered again on the init hook.

   195 create_initial_taxonomies();

   196 create_initial_post_types();

   197 

   198 // Register the default theme directory root

   199 register_theme_directory( get_theme_root() );

   200 

   201 // Load active plugins.

   202 foreach ( wp_get_active_and_valid_plugins() as $plugin )

   203 	include_once( $plugin );

   204 unset( $plugin );

   205 

   206 // Load pluggable functions.

   207 require( ABSPATH . WPINC . '/pluggable.php' );

   208 require( ABSPATH . WPINC . '/pluggable-deprecated.php' );

   209 

   210 // Set internal encoding.

   211 wp_set_internal_encoding();

   212 

   213 // Run wp_cache_postload() if object cache is enabled and the function exists.

   214 if ( WP_CACHE && function_exists( 'wp_cache_postload' ) )

   215 	wp_cache_postload();

   216 

   217 /**

   218  * Fires once activated plugins have loaded.

   219  *

   220  * Pluggable functions are also available at this point in the loading order.

   221  *

   222  * @since 1.5.2

   223  */

   224 do_action( 'plugins_loaded' );

   225 

   226 // Define constants which affect functionality if not already defined.

   227 wp_functionality_constants();

   228 

   229 // Add magic quotes and set up $_REQUEST ( $_GET + $_POST )

   230 wp_magic_quotes();

   231 

   232 /**

   233  * Fires when comment cookies are sanitized.

   234  *

   235  * @since 2.0.11

   236  */

   237 do_action( 'sanitize_comment_cookies' );

   238 

   239 /**

   240  * WordPress Query object

   241  * @global object $wp_the_query

   242  * @since 2.0.0

   243  */

   244 $wp_the_query = new WP_Query();

   245 

   246 /**

   247  * Holds the reference to @see $wp_the_query

   248  * Use this global for WordPress queries

   249  * @global object $wp_query

   250  * @since 1.5.0

   251  */

   252 $wp_query = $wp_the_query;

   253 

   254 /**

   255  * Holds the WordPress Rewrite object for creating pretty URLs

   256  * @global object $wp_rewrite

   257  * @since 1.5.0

   258  */

   259 $GLOBALS['wp_rewrite'] = new WP_Rewrite();

   260 

   261 /**

   262  * WordPress Object

   263  * @global object $wp

   264  * @since 2.0.0

   265  */

   266 $wp = new WP();

   267 

   268 /**

   269  * WordPress Widget Factory Object

   270  * @global object $wp_widget_factory

   271  * @since 2.8.0

   272  */

   273 $GLOBALS['wp_widget_factory'] = new WP_Widget_Factory();

   274 

   275 /**

   276  * WordPress User Roles

   277  * @global object $wp_roles

   278  * @since 2.0.0

   279  */

   280 $GLOBALS['wp_roles'] = new WP_Roles();

   281 

   282 /**

   283  * Fires before the theme is loaded.

   284  *

   285  * @since 2.6.0

   286  */

   287 do_action( 'setup_theme' );

   288 

   289 // Define the template related constants.

   290 wp_templating_constants(  );

   291 

   292 // Load the default text localization domain.

   293 load_default_textdomain();

   294 

   295 $locale = get_locale();

   296 $locale_file = WP_LANG_DIR . "/$locale.php";

   297 if ( ( 0 === validate_file( $locale ) ) && is_readable( $locale_file ) )

   298 	require( $locale_file );

   299 unset( $locale_file );

   300 

   301 // Pull in locale data after loading text domain.

   302 require_once( ABSPATH . WPINC . '/locale.php' );

   303 

   304 /**

   305  * WordPress Locale object for loading locale domain date and various strings.

   306  * @global object $wp_locale

   307  * @since 2.1.0

   308  */

   309 $GLOBALS['wp_locale'] = new WP_Locale();

   310 

   311 // Load the functions for the active theme, for both parent and child theme if applicable.

   312 if ( ! defined( 'WP_INSTALLING' ) || 'wp-activate.php' === $pagenow ) {

   313 	if ( TEMPLATEPATH !== STYLESHEETPATH && file_exists( STYLESHEETPATH . '/functions.php' ) )

   314 		include( STYLESHEETPATH . '/functions.php' );

   315 	if ( file_exists( TEMPLATEPATH . '/functions.php' ) )

   316 		include( TEMPLATEPATH . '/functions.php' );

   317 }

   318 

   319 /**

   320  * Fires after the theme is loaded.

   321  *

   322  * @since 3.0.0

   323  */

   324 do_action( 'after_setup_theme' );

   325 

   326 // Set up current user.

   327 $wp->init();

   328 

   329 /**

   330  * Fires after WordPress has finished loading but before any headers are sent.

   331  *

   332  * Most of WP is loaded at this stage, and the user is authenticated. WP continues

   333  * to load on the init hook that follows (e.g. widgets), and many plugins instantiate

   334  * themselves on it for all sorts of reasons (e.g. they need a user, a taxonomy, etc.).

   335  *

   336  * If you wish to plug an action once WP is loaded, use the wp_loaded hook below.

   337  *

   338  * @since 1.5.2

   339  */

   340 do_action( 'init' );

   341 

   342 // Check site status

   343 if ( is_multisite() ) {

   344 	if ( true !== ( $file = ms_site_check() ) ) {

   345 		require( $file );

   346 		die();

   347 	}

   348 	unset($file);

   349 }

   350 

   351 /**

   352  * This hook is fired once WP, all plugins, and the theme are fully loaded and instantiated.

   353  *

   354  * AJAX requests should use wp-admin/admin-ajax.php. admin-ajax.php can handle requests for

   355  * users not logged in.

   356  *

   357  * @link http://codex.wordpress.org/AJAX_in_Plugins

   358  *

   359  * @since 3.0.0

   360  */

   361 do_action( 'wp_loaded' );