3 * Defines constants and global variables that can be overridden, generally in wp-config.php.
9 * Defines initial WordPress constants
11 * @see wp_debug_mode()
15 function wp_initial_constants( ) {
19 if ( !defined('WP_MEMORY_LIMIT') ) {
20 if( is_multisite() ) {
21 define('WP_MEMORY_LIMIT', '64M');
23 define('WP_MEMORY_LIMIT', '32M');
27 if ( ! defined( 'WP_MAX_MEMORY_LIMIT' ) ) {
28 define( 'WP_MAX_MEMORY_LIMIT', '256M' );
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.
35 * @global int $blog_id
38 if ( ! isset($blog_id) )
42 if ( function_exists('memory_get_usage') && ( (int) @ini_get('memory_limit') < abs(intval(WP_MEMORY_LIMIT)) ) )
43 @ini_set('memory_limit', WP_MEMORY_LIMIT);
45 if ( !defined('WP_CONTENT_DIR') )
46 define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content' ); // no trailing slash, full paths only - WP_CONTENT_URL is defined further down
48 // Add define('WP_DEBUG', true); to wp-config.php to enable display of notices during development.
49 if ( !defined('WP_DEBUG') )
50 define( 'WP_DEBUG', false );
52 // Add define('WP_DEBUG_DISPLAY', null); to wp-config.php use the globally configured setting for
53 // display_errors and not force errors to be displayed. Use false to force display_errors off.
54 if ( !defined('WP_DEBUG_DISPLAY') )
55 define( 'WP_DEBUG_DISPLAY', true );
57 // Add define('WP_DEBUG_LOG', true); to enable error logging to wp-content/debug.log.
58 if ( !defined('WP_DEBUG_LOG') )
59 define('WP_DEBUG_LOG', false);
61 if ( !defined('WP_CACHE') )
62 define('WP_CACHE', false);
67 if ( !defined('MEDIA_TRASH') )
68 define('MEDIA_TRASH', false);
70 if ( !defined('SHORTINIT') )
71 define('SHORTINIT', false);
75 * Defines plugin directory WordPress constants
77 * Defines must-use plugin directory constants, which may be overridden in the sunrise.php drop-in
81 function wp_plugin_directory_constants( ) {
82 if ( !defined('WP_CONTENT_URL') )
83 define( 'WP_CONTENT_URL', get_option('siteurl') . '/wp-content'); // full url - WP_CONTENT_DIR is defined further up
86 * Allows for the plugins directory to be moved from the default location.
90 if ( !defined('WP_PLUGIN_DIR') )
91 define( 'WP_PLUGIN_DIR', WP_CONTENT_DIR . '/plugins' ); // full path, no trailing slash
94 * Allows for the plugins directory to be moved from the default location.
98 if ( !defined('WP_PLUGIN_URL') )
99 define( 'WP_PLUGIN_URL', WP_CONTENT_URL . '/plugins' ); // full url, no trailing slash
102 * Allows for the plugins directory to be moved from the default location.
107 if ( !defined('PLUGINDIR') )
108 define( 'PLUGINDIR', 'wp-content/plugins' ); // Relative to ABSPATH. For back compat.
111 * Allows for the mu-plugins directory to be moved from the default location.
115 if ( !defined('WPMU_PLUGIN_DIR') )
116 define( 'WPMU_PLUGIN_DIR', WP_CONTENT_DIR . '/mu-plugins' ); // full path, no trailing slash
119 * Allows for the mu-plugins directory to be moved from the default location.
123 if ( !defined('WPMU_PLUGIN_URL') )
124 define( 'WPMU_PLUGIN_URL', WP_CONTENT_URL . '/mu-plugins' ); // full url, no trailing slash
127 * Allows for the mu-plugins directory to be moved from the default location.
132 if ( !defined( 'MUPLUGINDIR' ) )
133 define( 'MUPLUGINDIR', 'wp-content/mu-plugins' ); // Relative to ABSPATH. For back compat.
137 * Defines cookie related WordPress constants
139 * Defines constants after multisite is loaded. Cookie-related constants may be overridden in ms_network_cookies().
142 function wp_cookie_constants( ) {
144 * Used to guarantee unique hash cookies
147 if ( !defined( 'COOKIEHASH' ) ) {
148 $siteurl = get_site_option( 'siteurl' );
150 define( 'COOKIEHASH', md5( $siteurl ) );
152 define( 'COOKIEHASH', '' );
158 if ( !defined('USER_COOKIE') )
159 define('USER_COOKIE', 'wordpressuser_' . COOKIEHASH);
164 if ( !defined('PASS_COOKIE') )
165 define('PASS_COOKIE', 'wordpresspass_' . COOKIEHASH);
170 if ( !defined('AUTH_COOKIE') )
171 define('AUTH_COOKIE', 'wordpress_' . COOKIEHASH);
176 if ( !defined('SECURE_AUTH_COOKIE') )
177 define('SECURE_AUTH_COOKIE', 'wordpress_sec_' . COOKIEHASH);
182 if ( !defined('LOGGED_IN_COOKIE') )
183 define('LOGGED_IN_COOKIE', 'wordpress_logged_in_' . COOKIEHASH);
188 if ( !defined('TEST_COOKIE') )
189 define('TEST_COOKIE', 'wordpress_test_cookie');
194 if ( !defined('COOKIEPATH') )
195 define('COOKIEPATH', preg_replace('|https?://[^/]+|i', '', get_option('home') . '/' ) );
200 if ( !defined('SITECOOKIEPATH') )
201 define('SITECOOKIEPATH', preg_replace('|https?://[^/]+|i', '', get_option('siteurl') . '/' ) );
206 if ( !defined('ADMIN_COOKIE_PATH') )
207 define( 'ADMIN_COOKIE_PATH', SITECOOKIEPATH . 'wp-admin' );
212 if ( !defined('PLUGINS_COOKIE_PATH') )
213 define( 'PLUGINS_COOKIE_PATH', preg_replace('|https?://[^/]+|i', '', WP_PLUGIN_URL) );
218 if ( !defined('COOKIE_DOMAIN') )
219 define('COOKIE_DOMAIN', false);
223 * Defines cookie related WordPress constants
227 function wp_ssl_constants( ) {
231 if ( !defined('FORCE_SSL_ADMIN') )
232 define('FORCE_SSL_ADMIN', false);
233 force_ssl_admin(FORCE_SSL_ADMIN);
238 if ( !defined('FORCE_SSL_LOGIN') )
239 define('FORCE_SSL_LOGIN', false);
240 force_ssl_login(FORCE_SSL_LOGIN);
244 * Defines functionality related WordPress constants
248 function wp_functionality_constants( ) {
252 if ( !defined( 'AUTOSAVE_INTERVAL' ) )
253 define( 'AUTOSAVE_INTERVAL', 60 );
258 if ( !defined( 'EMPTY_TRASH_DAYS' ) )
259 define( 'EMPTY_TRASH_DAYS', 30 );
261 if ( !defined('WP_POST_REVISIONS') )
262 define('WP_POST_REVISIONS', true);
267 if ( !defined( 'WP_CRON_LOCK_TIMEOUT' ) )
268 define('WP_CRON_LOCK_TIMEOUT', 60); // In seconds
272 * Defines templating related WordPress constants
276 function wp_templating_constants( ) {
278 * Filesystem path to the current active template directory
281 define('TEMPLATEPATH', get_template_directory());
284 * Filesystem path to the current active template stylesheet directory
287 define('STYLESHEETPATH', get_stylesheet_directory());
290 * Slug of the default theme for this install.
291 * Used as the default theme when installing new sites.
292 * Will be used as the fallback if the current theme doesn't exist.
295 if ( !defined('WP_DEFAULT_THEME') )
296 define( 'WP_DEFAULT_THEME', 'twentyeleven' );