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');
28 * The $blog_id global, which you can change in the config allows you to create a simple
29 * multiple blog installation using just one WordPress and changing $blog_id around.
31 * @global int $blog_id
34 if ( ! isset($blog_id) )
38 if ( function_exists('memory_get_usage') && ( (int) @ini_get('memory_limit') < abs(intval(WP_MEMORY_LIMIT)) ) )
39 @ini_set('memory_limit', WP_MEMORY_LIMIT);
41 if ( !defined('WP_CONTENT_DIR') )
42 define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content' ); // no trailing slash, full paths only - WP_CONTENT_URL is defined further down
44 // Add define('WP_DEBUG', true); to wp-config.php to enable display of notices during development.
45 if ( !defined('WP_DEBUG') )
46 define( 'WP_DEBUG', false );
48 // Add define('WP_DEBUG_DISPLAY', false); to wp-config.php use the globally configured setting for display_errors and not force errors to be displayed.
49 if ( !defined('WP_DEBUG_DISPLAY') )
50 define( 'WP_DEBUG_DISPLAY', true );
52 // Add define('WP_DEBUG_LOG', true); to enable error logging to wp-content/debug.log.
53 if ( !defined('WP_DEBUG_LOG') )
54 define('WP_DEBUG_LOG', false);
56 if ( !defined('WP_CACHE') )
57 define('WP_CACHE', false);
62 if ( !defined('MEDIA_TRASH') )
63 define('MEDIA_TRASH', false);
65 if ( !defined('SHORTINIT') )
66 define('SHORTINIT', false);
70 * Defines plugin directory WordPress constants
72 * Defines must-use plugin directory constants, which may be overridden in the sunrise.php drop-in
76 function wp_plugin_directory_constants( ) {
77 if ( !defined('WP_CONTENT_URL') )
78 define( 'WP_CONTENT_URL', get_option('siteurl') . '/wp-content'); // full url - WP_CONTENT_DIR is defined further up
81 * Allows for the plugins directory to be moved from the default location.
85 if ( !defined('WP_PLUGIN_DIR') )
86 define( 'WP_PLUGIN_DIR', WP_CONTENT_DIR . '/plugins' ); // full path, no trailing slash
89 * Allows for the plugins directory to be moved from the default location.
93 if ( !defined('WP_PLUGIN_URL') )
94 define( 'WP_PLUGIN_URL', WP_CONTENT_URL . '/plugins' ); // full url, no trailing slash
97 * Allows for the plugins directory to be moved from the default location.
102 if ( !defined('PLUGINDIR') )
103 define( 'PLUGINDIR', 'wp-content/plugins' ); // Relative to ABSPATH. For back compat.
106 * Allows for the mu-plugins directory to be moved from the default location.
110 if ( !defined('WPMU_PLUGIN_DIR') )
111 define( 'WPMU_PLUGIN_DIR', WP_CONTENT_DIR . '/mu-plugins' ); // full path, no trailing slash
114 * Allows for the mu-plugins directory to be moved from the default location.
118 if ( !defined('WPMU_PLUGIN_URL') )
119 define( 'WPMU_PLUGIN_URL', WP_CONTENT_URL . '/mu-plugins' ); // full url, no trailing slash
122 * Allows for the mu-plugins directory to be moved from the default location.
127 if ( !defined( 'MUPLUGINDIR' ) )
128 define( 'MUPLUGINDIR', 'wp-content/mu-plugins' ); // Relative to ABSPATH. For back compat.
132 * Defines cookie related WordPress constants
134 * Defines constants after multisite is loaded. Cookie-related constants may be overridden in ms_network_cookies().
137 function wp_cookie_constants( ) {
138 global $wp_default_secret_key;
141 * Used to guarantee unique hash cookies
144 if ( !defined( 'COOKIEHASH' ) ) {
145 $siteurl = get_site_option( 'siteurl' );
147 define( 'COOKIEHASH', md5( $siteurl ) );
149 define( 'COOKIEHASH', '' );
153 * Should be exactly the same as the default value of SECRET_KEY in wp-config-sample.php
156 $wp_default_secret_key = 'put your unique phrase here';
161 if ( !defined('USER_COOKIE') )
162 define('USER_COOKIE', 'wordpressuser_' . COOKIEHASH);
167 if ( !defined('PASS_COOKIE') )
168 define('PASS_COOKIE', 'wordpresspass_' . COOKIEHASH);
173 if ( !defined('AUTH_COOKIE') )
174 define('AUTH_COOKIE', 'wordpress_' . COOKIEHASH);
179 if ( !defined('SECURE_AUTH_COOKIE') )
180 define('SECURE_AUTH_COOKIE', 'wordpress_sec_' . COOKIEHASH);
185 if ( !defined('LOGGED_IN_COOKIE') )
186 define('LOGGED_IN_COOKIE', 'wordpress_logged_in_' . COOKIEHASH);
191 if ( !defined('TEST_COOKIE') )
192 define('TEST_COOKIE', 'wordpress_test_cookie');
197 if ( !defined('COOKIEPATH') )
198 define('COOKIEPATH', preg_replace('|https?://[^/]+|i', '', get_option('home') . '/' ) );
203 if ( !defined('SITECOOKIEPATH') )
204 define('SITECOOKIEPATH', preg_replace('|https?://[^/]+|i', '', get_option('siteurl') . '/' ) );
209 if ( !defined('ADMIN_COOKIE_PATH') )
210 define( 'ADMIN_COOKIE_PATH', SITECOOKIEPATH . 'wp-admin' );
215 if ( !defined('PLUGINS_COOKIE_PATH') )
216 define( 'PLUGINS_COOKIE_PATH', preg_replace('|https?://[^/]+|i', '', WP_PLUGIN_URL) );
221 if ( !defined('COOKIE_DOMAIN') )
222 define('COOKIE_DOMAIN', false);
226 * Defines cookie related WordPress constants
230 function wp_ssl_constants( ) {
234 if ( !defined('FORCE_SSL_ADMIN') )
235 define('FORCE_SSL_ADMIN', false);
236 force_ssl_admin(FORCE_SSL_ADMIN);
241 if ( !defined('FORCE_SSL_LOGIN') )
242 define('FORCE_SSL_LOGIN', false);
243 force_ssl_login(FORCE_SSL_LOGIN);
247 * Defines functionality related WordPress constants
251 function wp_functionality_constants( ) {
255 if ( !defined( 'AUTOSAVE_INTERVAL' ) )
256 define( 'AUTOSAVE_INTERVAL', 60 );
261 if ( !defined( 'EMPTY_TRASH_DAYS' ) )
262 define( 'EMPTY_TRASH_DAYS', 30 );
264 if ( !defined('WP_POST_REVISIONS') )
265 define('WP_POST_REVISIONS', true);
269 * Defines templating related WordPress constants
273 function wp_templating_constants( ) {
275 * Web Path to the current active template directory
278 define('TEMPLATEPATH', get_template_directory());
281 * Web Path to the current active template stylesheet directory
284 define('STYLESHEETPATH', get_stylesheet_directory());
287 * Slug of the default theme for this install.
288 * Used as the default theme when installing new sites.
289 * Will be used as the fallback if the current theme doesn't exist.
292 if ( !defined('WP_DEFAULT_THEME') )
293 define( 'WP_DEFAULT_THEME', 'twentyten' );