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   1  <?php
   2  /**
   3   * Defines constants and global variables that can be overridden, generally in wp-config.php.
   4   *
   5   * @package WordPress
   6   */
   7  
   8  /**
   9   * Defines initial WordPress constants
  10   *
  11   * @see wp_debug_mode()
  12   *
  13   * @since 3.0.0
  14   */
  15  function wp_initial_constants() {
  16      global $blog_id;
  17  
  18      // set memory limits
  19      if ( !defined('WP_MEMORY_LIMIT') ) {
  20          if( is_multisite() ) {
  21              define('WP_MEMORY_LIMIT', '64M');
  22          } else {
  23              define('WP_MEMORY_LIMIT', '40M');
  24          }
  25      }
  26  
  27      if ( ! defined( 'WP_MAX_MEMORY_LIMIT' ) ) {
  28          define( 'WP_MAX_MEMORY_LIMIT', '256M' );
  29      }
  30  
  31      /**
  32       * The $blog_id global, which you can change in the config allows you to create a simple
  33       * multiple blog installation using just one WordPress and changing $blog_id around.
  34       *
  35       * @global int $blog_id
  36       * @since 2.0.0
  37       */
  38      if ( ! isset($blog_id) )
  39          $blog_id = 1;
  40  
  41      // set memory limits.
  42      if ( function_exists( 'memory_get_usage' ) ) {
  43          $current_limit = @ini_get( 'memory_limit' );
  44          $current_limit_int = intval( $current_limit );
  45          if ( false !== strpos( $current_limit, 'G' ) )
  46              $current_limit_int *= 1024;
  47          $wp_limit_int = intval( WP_MEMORY_LIMIT );
  48          if ( false !== strpos( WP_MEMORY_LIMIT, 'G' ) )
  49              $wp_limit_int *= 1024;
  50  
  51          if ( -1 != $current_limit && ( -1 == WP_MEMORY_LIMIT || $current_limit_int < $wp_limit_int ) )
  52              @ini_set( 'memory_limit', WP_MEMORY_LIMIT );
  53      }
  54  
  55      if ( !defined('WP_CONTENT_DIR') )
  56          define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content' ); // no trailing slash, full paths only - WP_CONTENT_URL is defined further down
  57  
  58      // Add define('WP_DEBUG', true); to wp-config.php to enable display of notices during development.
  59      if ( !defined('WP_DEBUG') )
  60          define( 'WP_DEBUG', false );
  61  
  62      // Add define('WP_DEBUG_DISPLAY', null); to wp-config.php use the globally configured setting for
  63      // display_errors and not force errors to be displayed. Use false to force display_errors off.
  64      if ( !defined('WP_DEBUG_DISPLAY') )
  65          define( 'WP_DEBUG_DISPLAY', true );
  66  
  67      // Add define('WP_DEBUG_LOG', true); to enable error logging to wp-content/debug.log.
  68      if ( !defined('WP_DEBUG_LOG') )
  69          define('WP_DEBUG_LOG', false);
  70  
  71      if ( !defined('WP_CACHE') )
  72          define('WP_CACHE', false);
  73  
  74      /**
  75       * Private
  76       */
  77      if ( !defined('MEDIA_TRASH') )
  78          define('MEDIA_TRASH', false);
  79  
  80      if ( !defined('SHORTINIT') )
  81          define('SHORTINIT', false);
  82  
  83      // Constants for expressing human-readable intervals
  84      // in their respective number of seconds.
  85      define( 'MINUTE_IN_SECONDS', 60 );
  86      define( 'HOUR_IN_SECONDS',   60 * MINUTE_IN_SECONDS );
  87      define( 'DAY_IN_SECONDS',    24 * HOUR_IN_SECONDS   );
  88      define( 'WEEK_IN_SECONDS',    7 * DAY_IN_SECONDS    );
  89      define( 'YEAR_IN_SECONDS',  365 * DAY_IN_SECONDS    );
  90  }
  91  
  92  /**
  93   * Defines plugin directory WordPress constants
  94   *
  95   * Defines must-use plugin directory constants, which may be overridden in the sunrise.php drop-in
  96   *
  97   * @since 3.0.0
  98   */
  99  function wp_plugin_directory_constants() {
 100      if ( !defined('WP_CONTENT_URL') )
 101          define( 'WP_CONTENT_URL', get_option('siteurl') . '/wp-content'); // full url - WP_CONTENT_DIR is defined further up
 102  
 103      /**
 104       * Allows for the plugins directory to be moved from the default location.
 105       *
 106       * @since 2.6.0
 107       */
 108      if ( !defined('WP_PLUGIN_DIR') )
 109          define( 'WP_PLUGIN_DIR', WP_CONTENT_DIR . '/plugins' ); // full path, no trailing slash
 110  
 111      /**
 112       * Allows for the plugins directory to be moved from the default location.
 113       *
 114       * @since 2.6.0
 115       */
 116      if ( !defined('WP_PLUGIN_URL') )
 117          define( 'WP_PLUGIN_URL', WP_CONTENT_URL . '/plugins' ); // full url, no trailing slash
 118  
 119      /**
 120       * Allows for the plugins directory to be moved from the default location.
 121       *
 122       * @since 2.1.0
 123       * @deprecated
 124       */
 125      if ( !defined('PLUGINDIR') )
 126          define( 'PLUGINDIR', 'wp-content/plugins' ); // Relative to ABSPATH. For back compat.
 127  
 128      /**
 129       * Allows for the mu-plugins directory to be moved from the default location.
 130       *
 131       * @since 2.8.0
 132       */
 133      if ( !defined('WPMU_PLUGIN_DIR') )
 134          define( 'WPMU_PLUGIN_DIR', WP_CONTENT_DIR . '/mu-plugins' ); // full path, no trailing slash
 135  
 136      /**
 137       * Allows for the mu-plugins directory to be moved from the default location.
 138       *
 139       * @since 2.8.0
 140       */
 141      if ( !defined('WPMU_PLUGIN_URL') )
 142          define( 'WPMU_PLUGIN_URL', WP_CONTENT_URL . '/mu-plugins' ); // full url, no trailing slash
 143  
 144      /**
 145       * Allows for the mu-plugins directory to be moved from the default location.
 146       *
 147       * @since 2.8.0
 148       * @deprecated
 149       */
 150      if ( !defined( 'MUPLUGINDIR' ) )
 151          define( 'MUPLUGINDIR', 'wp-content/mu-plugins' ); // Relative to ABSPATH. For back compat.
 152  }
 153  
 154  /**
 155   * Defines cookie related WordPress constants
 156   *
 157   * Defines constants after multisite is loaded. Cookie-related constants may be overridden in ms_network_cookies().
 158   * @since 3.0.0
 159   */
 160  function wp_cookie_constants() {
 161      /**
 162       * Used to guarantee unique hash cookies
 163       * @since 1.5
 164       */
 165      if ( !defined( 'COOKIEHASH' ) ) {
 166          $siteurl = get_site_option( 'siteurl' );
 167          if ( $siteurl )
 168              define( 'COOKIEHASH', md5( $siteurl ) );
 169          else
 170              define( 'COOKIEHASH', '' );
 171      }
 172  
 173      /**
 174       * @since 2.0.0
 175       */
 176      if ( !defined('USER_COOKIE') )
 177          define('USER_COOKIE', 'wordpressuser_' . COOKIEHASH);
 178  
 179      /**
 180       * @since 2.0.0
 181       */
 182      if ( !defined('PASS_COOKIE') )
 183          define('PASS_COOKIE', 'wordpresspass_' . COOKIEHASH);
 184  
 185      /**
 186       * @since 2.5.0
 187       */
 188      if ( !defined('AUTH_COOKIE') )
 189          define('AUTH_COOKIE', 'wordpress_' . COOKIEHASH);
 190  
 191      /**
 192       * @since 2.6.0
 193       */
 194      if ( !defined('SECURE_AUTH_COOKIE') )
 195          define('SECURE_AUTH_COOKIE', 'wordpress_sec_' . COOKIEHASH);
 196  
 197      /**
 198       * @since 2.6.0
 199       */
 200      if ( !defined('LOGGED_IN_COOKIE') )
 201          define('LOGGED_IN_COOKIE', 'wordpress_logged_in_' . COOKIEHASH);
 202  
 203      /**
 204       * @since 2.3.0
 205       */
 206      if ( !defined('TEST_COOKIE') )
 207          define('TEST_COOKIE', 'wordpress_test_cookie');
 208  
 209      /**
 210       * @since 1.2.0
 211       */
 212      if ( !defined('COOKIEPATH') )
 213          define('COOKIEPATH', preg_replace('|https?://[^/]+|i', '', get_option('home') . '/' ) );
 214  
 215      /**
 216       * @since 1.5.0
 217       */
 218      if ( !defined('SITECOOKIEPATH') )
 219          define('SITECOOKIEPATH', preg_replace('|https?://[^/]+|i', '', get_option('siteurl') . '/' ) );
 220  
 221      /**
 222       * @since 2.6.0
 223       */
 224      if ( !defined('ADMIN_COOKIE_PATH') )
 225          define( 'ADMIN_COOKIE_PATH', SITECOOKIEPATH . 'wp-admin' );
 226  
 227      /**
 228       * @since 2.6.0
 229       */
 230      if ( !defined('PLUGINS_COOKIE_PATH') )
 231          define( 'PLUGINS_COOKIE_PATH', preg_replace('|https?://[^/]+|i', '', WP_PLUGIN_URL)  );
 232  
 233      /**
 234       * @since 2.0.0
 235       */
 236      if ( !defined('COOKIE_DOMAIN') )
 237          define('COOKIE_DOMAIN', false);
 238  }
 239  
 240  /**
 241   * Defines cookie related WordPress constants
 242   *
 243   * @since 3.0.0
 244   */
 245  function wp_ssl_constants() {
 246      /**
 247       * @since 2.6.0
 248       */
 249      if ( !defined('FORCE_SSL_ADMIN') )
 250          define('FORCE_SSL_ADMIN', false);
 251      force_ssl_admin(FORCE_SSL_ADMIN);
 252  
 253      /**
 254       * @since 2.6.0
 255       */
 256      if ( !defined('FORCE_SSL_LOGIN') )
 257          define('FORCE_SSL_LOGIN', false);
 258      force_ssl_login(FORCE_SSL_LOGIN);
 259  }
 260  
 261  /**
 262   * Defines functionality related WordPress constants
 263   *
 264   * @since 3.0.0
 265   */
 266  function wp_functionality_constants() {
 267      /**
 268       * @since 2.5.0
 269       */
 270      if ( !defined( 'AUTOSAVE_INTERVAL' ) )
 271          define( 'AUTOSAVE_INTERVAL', 60 );
 272  
 273      /**
 274       * @since 2.9.0
 275       */
 276      if ( !defined( 'EMPTY_TRASH_DAYS' ) )
 277          define( 'EMPTY_TRASH_DAYS', 30 );
 278  
 279      if ( !defined('WP_POST_REVISIONS') )
 280          define('WP_POST_REVISIONS', true);
 281  
 282      /**
 283       * @since 3.3.0
 284       */
 285      if ( !defined( 'WP_CRON_LOCK_TIMEOUT' ) )
 286          define('WP_CRON_LOCK_TIMEOUT', 60);  // In seconds
 287  }
 288  
 289  /**
 290   * Defines templating related WordPress constants
 291   *
 292   * @since 3.0.0
 293   */
 294  function wp_templating_constants() {
 295      /**
 296       * Filesystem path to the current active template directory
 297       * @since 1.5.0
 298       */
 299      define('TEMPLATEPATH', get_template_directory());
 300  
 301      /**
 302       * Filesystem path to the current active template stylesheet directory
 303       * @since 2.1.0
 304       */
 305      define('STYLESHEETPATH', get_stylesheet_directory());
 306  
 307      /**
 308       * Slug of the default theme for this install.
 309       * Used as the default theme when installing new sites.
 310       * Will be used as the fallback if the current theme doesn't exist.
 311       * @since 3.0.0
 312       */
 313      if ( !defined('WP_DEFAULT_THEME') )
 314          define( 'WP_DEFAULT_THEME', 'twentyfourteen' );
 315  
 316  }