[Summary view] [Print] [Text view]

   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   * @package WordPress
   9   */
  10  
  11  /**
  12   * Stores the location of the WordPress directory of functions, classes, and core content.
  13   *
  14   * @since 1.0.0
  15   */
  16  define( 'WPINC', 'wp-includes' );
  17  
  18  // Include files required for initialization.
  19  require( ABSPATH . WPINC . '/load.php' );
  20  require( ABSPATH . WPINC . '/default-constants.php' );
  21  require( ABSPATH . WPINC . '/version.php' );
  22  
  23  // Set initial default constants including WP_MEMORY_LIMIT, WP_DEBUG, WP_CONTENT_DIR and WP_CACHE.
  24  wp_initial_constants( );
  25  
  26  // Disable magic quotes at runtime. Magic quotes are added using wpdb later in wp-settings.php.
  27  set_magic_quotes_runtime( 0 );
  28  @ini_set( 'magic_quotes_sybase', 0 );
  29  
  30  // Set default timezone in PHP 5.
  31  if ( function_exists( 'date_default_timezone_set' ) )
  32      date_default_timezone_set( 'UTC' );
  33  
  34  // Turn register_globals off.
  35  wp_unregister_GLOBALS();
  36  
  37  // Ensure these global variables do not exist so they do not interfere with WordPress.
  38  unset( $wp_filter, $cache_lastcommentmodified, $cache_lastpostdate );
  39  
  40  // Standardize $_SERVER variables across setups.
  41  wp_fix_server_vars();
  42  
  43  // Check for the required PHP version and for the MySQL extension or a database drop-in.
  44  wp_check_php_mysql_versions();
  45  
  46  // Check if we have recieved a request due to missing favicon.ico
  47  wp_favicon_request();
  48  
  49  // Check if we're in maintenance mode.
  50  wp_maintenance();
  51  
  52  // Start loading timer.
  53  timer_start();
  54  
  55  // Check if we're in WP_DEBUG mode.
  56  wp_debug_mode();
  57  
  58  // For an advanced caching plugin to use. Uses a static drop-in because you would only want one.
  59  if ( WP_CACHE )
  60      @include( WP_CONTENT_DIR . '/advanced-cache.php' );
  61  
  62  // Define WP_LANG_DIR if not set.
  63  wp_set_lang_dir();
  64  
  65  // Load early WordPress files.
  66  require( ABSPATH . WPINC . '/compat.php' );
  67  require( ABSPATH . WPINC . '/functions.php' );
  68  require( ABSPATH . WPINC . '/classes.php' );
  69  
  70  // Include the wpdb class, or a db.php database drop-in if present.
  71  require_wp_db();
  72  
  73  // Set the database table prefix and the format specifiers for database table columns.
  74  wp_set_wpdb_vars();
  75  
  76  // Start the WordPress object cache, or an external object cache if the drop-in is present.
  77  wp_start_object_cache();
  78  
  79  // Load early WordPress files.
  80  require( ABSPATH . WPINC . '/plugin.php' );
  81  require( ABSPATH . WPINC . '/default-filters.php' );
  82  require( ABSPATH . WPINC . '/pomo/mo.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  }
  89  
  90  // Stop most of WordPress from being loaded if we just want the basics.
  91  if ( SHORTINIT )
  92      return false;
  93  
  94  // Load the l18n library.
  95  require( ABSPATH . WPINC . '/l10n.php' );
  96  
  97  // Run the installer if WordPress is not installed.
  98  wp_not_installed();
  99  
 100  // Load most of WordPress.
 101  require ( ABSPATH . WPINC . '/formatting.php' );
 102  require( ABSPATH . WPINC . '/capabilities.php' );
 103  require( ABSPATH . WPINC . '/query.php' );
 104  require( ABSPATH . WPINC . '/theme.php' );
 105  require( ABSPATH . WPINC . '/user.php' );
 106  require( ABSPATH . WPINC . '/meta.php' );
 107  require( ABSPATH . WPINC . '/general-template.php' );
 108  require( ABSPATH . WPINC . '/link-template.php' );
 109  require( ABSPATH . WPINC . '/author-template.php' );
 110  require( ABSPATH . WPINC . '/post.php' );
 111  require( ABSPATH . WPINC . '/post-template.php' );
 112  require( ABSPATH . WPINC . '/category.php' );
 113  require( ABSPATH . WPINC . '/category-template.php' );
 114  require( ABSPATH . WPINC . '/comment.php' );
 115  require( ABSPATH . WPINC . '/comment-template.php' );
 116  require( ABSPATH . WPINC . '/rewrite.php' );
 117  require( ABSPATH . WPINC . '/feed.php' );
 118  require( ABSPATH . WPINC . '/bookmark.php' );
 119  require( ABSPATH . WPINC . '/bookmark-template.php' );
 120  require ( ABSPATH . WPINC . '/kses.php' );
 121  require( ABSPATH . WPINC . '/cron.php' );
 122  require( ABSPATH . WPINC . '/deprecated.php' );
 123  require( ABSPATH . WPINC . '/script-loader.php' );
 124  require( ABSPATH . WPINC . '/taxonomy.php' );
 125  require( ABSPATH . WPINC . '/update.php' );
 126  require( ABSPATH . WPINC . '/canonical.php' );
 127  require( ABSPATH . WPINC . '/shortcodes.php' );
 128  require( ABSPATH . WPINC . '/media.php' );
 129  require( ABSPATH . WPINC . '/http.php' );
 130  require( ABSPATH . WPINC . '/widgets.php' );
 131  require( ABSPATH . WPINC . '/nav-menu.php' );
 132  require( ABSPATH . WPINC . '/nav-menu-template.php' );
 133  
 134  // Load multisite-specific files.
 135  if ( is_multisite() ) {
 136      require( ABSPATH . WPINC . '/ms-functions.php' );
 137      require( ABSPATH . WPINC . '/ms-default-filters.php' );
 138      require( ABSPATH . WPINC . '/ms-deprecated.php' );
 139  }
 140  
 141  // Define constants that rely on the API to obtain the default value.
 142  // Define must-use plugin directory constants, which may be overridden in the sunrise.php drop-in.
 143  wp_plugin_directory_constants( );
 144  
 145  // Load must-use plugins.
 146  foreach ( wp_get_mu_plugins() as $mu_plugin ) {
 147      include_once( $mu_plugin );
 148  }
 149  unset( $mu_plugin );
 150  
 151  do_action( 'muplugins_loaded' );
 152  
 153  // Check site status if multisite.
 154  if ( is_multisite() ) {
 155      if ( true !== ( $file = ms_site_check() ) ) {
 156          require( $file );
 157          die();
 158      }
 159      unset($file);
 160  
 161      ms_cookie_constants(  );
 162  }
 163  
 164  // Define constants after multisite is loaded. Cookie-related constants may be overridden in ms_network_cookies().
 165  wp_cookie_constants( );
 166  
 167  // Define and enforce our SSL constants
 168  wp_ssl_constants( );
 169  
 170  // Create common globals.
 171  require( ABSPATH . WPINC . '/vars.php' );
 172  
 173  // Make taxonomies available to plugins and themes.
 174  // @plugin authors: warning: this gets registered again on the init hook.
 175  create_initial_taxonomies();
 176  
 177  // Load active plugins.
 178  foreach ( wp_get_active_and_valid_plugins() as $plugin )
 179      include_once( $plugin );
 180  unset( $plugin );
 181  
 182  // Load pluggable functions.
 183  require ( ABSPATH . WPINC . '/pluggable.php' );
 184  require( ABSPATH . WPINC . '/pluggable-deprecated.php' );
 185  
 186  // Set internal encoding.
 187  wp_set_internal_encoding();
 188  
 189  // Run wp_cache_postload() if object cache is enabled and the function exists.
 190  if ( WP_CACHE && function_exists( 'wp_cache_postload' ) )
 191      wp_cache_postload();
 192  
 193  do_action( 'plugins_loaded' );
 194  
 195  // Define constants which affect functionality if not already defined.
 196  wp_functionality_constants( );
 197  
 198  // Add magic quotes and set up $_REQUEST ( $_GET + $_POST )
 199  wp_magic_quotes();
 200  
 201  do_action( 'sanitize_comment_cookies' );
 202  
 203  /**
 204   * WordPress Query object
 205   * @global object $wp_the_query
 206   * @since 2.0.0
 207   */
 208  $wp_the_query =& new WP_Query();
 209  
 210  /**
 211   * Holds the reference to @see $wp_the_query
 212   * Use this global for WordPress queries
 213   * @global object $wp_query
 214   * @since 1.5.0
 215   */
 216  $wp_query =& $wp_the_query;
 217  
 218  /**
 219   * Holds the WordPress Rewrite object for creating pretty URLs
 220   * @global object $wp_rewrite
 221   * @since 1.5.0
 222   */
 223  $wp_rewrite =& new WP_Rewrite();
 224  
 225  /**
 226   * WordPress Object
 227   * @global object $wp
 228   * @since 2.0.0
 229   */
 230  $wp =& new WP();
 231  
 232  /**
 233   * WordPress Widget Factory Object
 234   * @global object $wp_widget_factory
 235   * @since 2.8.0
 236   */
 237  $wp_widget_factory =& new WP_Widget_Factory();
 238  
 239  do_action( 'setup_theme' );
 240  
 241  // Define the template related constants.
 242  wp_templating_constants(  );
 243  
 244  // Load the default text localization domain.
 245  load_default_textdomain();
 246  
 247  // Find the blog locale.
 248  $locale = get_locale();
 249  $locale_file = WP_LANG_DIR . "/$locale.php";
 250  if ( is_readable( $locale_file ) )
 251      require( $locale_file );
 252  unset($locale_file);
 253  
 254  // Pull in locale data after loading text domain.
 255  require( ABSPATH . WPINC . '/locale.php' );
 256  
 257  /**
 258   * WordPress Locale object for loading locale domain date and various strings.
 259   * @global object $wp_locale
 260   * @since 2.1.0
 261   */
 262  $wp_locale =& new WP_Locale();
 263  
 264  // Load the functions for the active theme, for both parent and child theme if applicable.
 265  if ( TEMPLATEPATH !== STYLESHEETPATH && file_exists( STYLESHEETPATH . '/functions.php' ) )
 266      include( STYLESHEETPATH . '/functions.php' );
 267  if ( file_exists( TEMPLATEPATH . '/functions.php' ) )
 268      include( TEMPLATEPATH . '/functions.php' );
 269  
 270  do_action( 'after_setup_theme' );
 271  
 272  // Load any template functions the theme supports.
 273  require_if_theme_supports( 'post-thumbnails', ABSPATH . WPINC . '/post-thumbnail-template.php' );
 274  
 275  register_shutdown_function( 'shutdown_action_hook' );
 276  
 277  // Set up current user.
 278  $wp->init();
 279  
 280  /**
 281   * Most of WP is loaded at this stage, and the user is authenticated. WP continues
 282   * to load on the init hook that follows (e.g. widgets), and many plugins instantiate
 283   * themselves on it for all sorts of reasons (e.g. they need a user, a taxonomy, etc.).
 284   *
 285   * If you wish to plug an action once WP is loaded, use the wp_loaded hook below.
 286   */
 287  do_action( 'init' );
 288  
 289  /**
 290   * This hook is fired once WP, all plugins, and the theme are fully loaded and instantiated.
 291   *
 292   * AJAX requests should use wp-admin/admin-ajax.php. admin-ajax.php can handle requests for
 293   * users not logged in.
 294   *
 295   * @link http://codex.wordpress.org/AJAX_in_Plugins
 296   *
 297   * @since 3.0.0
 298   */
 299  do_action('wp_loaded');
 300  ?>