3 * Used to setup and fix common variables and include
4 * the WordPress procedural and class library.
6 * You should not have to change this file and allows
7 * for some configuration in wp-config.php.
12 if ( !defined('WP_MEMORY_LIMIT') )
13 define('WP_MEMORY_LIMIT', '32M');
15 if ( function_exists('memory_get_usage') && ( (int) @ini_get('memory_limit') < abs(intval(WP_MEMORY_LIMIT)) ) )
16 @ini_set('memory_limit', WP_MEMORY_LIMIT);
18 set_magic_quotes_runtime(0);
19 @ini_set('magic_quotes_sybase', 0);
22 * Turn register globals off.
26 * @return null Will return null if register_globals PHP directive was disabled
28 function wp_unregister_GLOBALS() {
29 if ( !ini_get('register_globals') )
32 if ( isset($_REQUEST['GLOBALS']) )
33 die('GLOBALS overwrite attempt detected');
35 // Variables that shouldn't be unset
36 $noUnset = array('GLOBALS', '_GET', '_POST', '_COOKIE', '_REQUEST', '_SERVER', '_ENV', '_FILES', 'table_prefix');
38 $input = array_merge($_GET, $_POST, $_COOKIE, $_SERVER, $_ENV, $_FILES, isset($_SESSION) && is_array($_SESSION) ? $_SESSION : array());
39 foreach ( $input as $k => $v )
40 if ( !in_array($k, $noUnset) && isset($GLOBALS[$k]) ) {
46 wp_unregister_GLOBALS();
48 unset( $wp_filter, $cache_lastcommentmodified, $cache_lastpostdate );
51 * The $blog_id global, which you can change in the config allows you to create a simple
52 * multiple blog installation using just one WordPress and changing $blog_id around.
54 * @global int $blog_id
57 if ( ! isset($blog_id) )
60 // Fix for IIS, which doesn't set REQUEST_URI
61 if ( empty( $_SERVER['REQUEST_URI'] ) ) {
64 if (isset($_SERVER['HTTP_X_ORIGINAL_URL'])) {
65 $_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_ORIGINAL_URL'];
68 else if (isset($_SERVER['HTTP_X_REWRITE_URL'])) {
69 $_SERVER['REQUEST_URI'] = $_SERVER['HTTP_X_REWRITE_URL'];
73 // Use ORIG_PATH_INFO if there is no PATH_INFO
74 if ( !isset($_SERVER['PATH_INFO']) && isset($_SERVER['ORIG_PATH_INFO']) )
75 $_SERVER['PATH_INFO'] = $_SERVER['ORIG_PATH_INFO'];
77 // Some IIS + PHP configurations puts the script-name in the path-info (No need to append it twice)
78 if ( isset($_SERVER['PATH_INFO']) ) {
79 if ( $_SERVER['PATH_INFO'] == $_SERVER['SCRIPT_NAME'] )
80 $_SERVER['REQUEST_URI'] = $_SERVER['PATH_INFO'];
82 $_SERVER['REQUEST_URI'] = $_SERVER['SCRIPT_NAME'] . $_SERVER['PATH_INFO'];
85 // Append the query string if it exists and isn't null
86 if (isset($_SERVER['QUERY_STRING']) && !empty($_SERVER['QUERY_STRING'])) {
87 $_SERVER['REQUEST_URI'] .= '?' . $_SERVER['QUERY_STRING'];
92 // Fix for PHP as CGI hosts that set SCRIPT_FILENAME to something ending in php.cgi for all requests
93 if ( isset($_SERVER['SCRIPT_FILENAME']) && ( strpos($_SERVER['SCRIPT_FILENAME'], 'php.cgi') == strlen($_SERVER['SCRIPT_FILENAME']) - 7 ) )
94 $_SERVER['SCRIPT_FILENAME'] = $_SERVER['PATH_TRANSLATED'];
96 // Fix for Dreamhost and other PHP as CGI hosts
97 if (strpos($_SERVER['SCRIPT_NAME'], 'php.cgi') !== false)
98 unset($_SERVER['PATH_INFO']);
100 // Fix empty PHP_SELF
101 $PHP_SELF = $_SERVER['PHP_SELF'];
102 if ( empty($PHP_SELF) )
103 $_SERVER['PHP_SELF'] = $PHP_SELF = preg_replace("/(\?.*)?$/",'',$_SERVER["REQUEST_URI"]);
105 if ( version_compare( '4.3', phpversion(), '>' ) ) {
106 die( sprintf( /*WP_I18N_OLD_PHP*/'Your server is running PHP version %s but WordPress requires at least 4.3.'/*/WP_I18N_OLD_PHP*/, phpversion() ) );
109 if ( !defined('WP_CONTENT_DIR') )
110 define( 'WP_CONTENT_DIR', ABSPATH . 'wp-content' ); // no trailing slash, full paths only - WP_CONTENT_URL is defined further down
112 if ( file_exists(ABSPATH . '.maintenance') && !defined('WP_INSTALLING') ) {
113 include(ABSPATH . '.maintenance');
114 // If the $upgrading timestamp is older than 10 minutes, don't die.
115 if ( ( time() - $upgrading ) < 600 ) {
116 if ( file_exists( WP_CONTENT_DIR . '/maintenance.php' ) ) {
117 require_once( WP_CONTENT_DIR . '/maintenance.php' );
121 $protocol = $_SERVER["SERVER_PROTOCOL"];
122 if ( 'HTTP/1.1' != $protocol && 'HTTP/1.0' != $protocol )
123 $protocol = 'HTTP/1.0';
124 header( "$protocol 503 Service Unavailable", true, 503 );
125 header( 'Content-Type: text/html; charset=utf-8' );
127 <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
128 <html xmlns="http://www.w3.org/1999/xhtml">
130 <meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
131 <title>Maintenance</title>
135 <h1>Briefly unavailable for scheduled maintenance. Check back in a minute.</h1>
143 if ( !extension_loaded('mysql') && !file_exists(WP_CONTENT_DIR . '/db.php') )
144 die( /*WP_I18N_OLD_MYSQL*/'Your PHP installation appears to be missing the MySQL extension which is required by WordPress.'/*/WP_I18N_OLD_MYSQL*/ );
147 * PHP 4 standard microtime start capture.
151 * @global int $timestart Seconds and Microseconds added together from when function is called.
152 * @return bool Always returns true.
154 function timer_start() {
156 $mtime = explode(' ', microtime() );
157 $mtime = $mtime[1] + $mtime[0];
163 * Return and/or display the time from the page start to when function is called.
165 * You can get the results and print them by doing:
167 * $nTimePageTookToExecute = timer_stop();
168 * echo $nTimePageTookToExecute;
171 * Or instead, you can do:
175 * which will do what the above does. If you need the result, you can assign it to a variable, but
176 * most cases, you only need to echo it.
179 * @global int $timestart Seconds and Microseconds added together from when timer_start() is called
180 * @global int $timeend Seconds and Microseconds added together from when function is called
182 * @param int $display Use '0' or null to not echo anything and 1 to echo the total time
183 * @param int $precision The amount of digits from the right of the decimal to display. Default is 3.
184 * @return float The "second.microsecond" finished time calculation
186 function timer_stop($display = 0, $precision = 3) { //if called like timer_stop(1), will echo $timetotal
187 global $timestart, $timeend;
188 $mtime = microtime();
189 $mtime = explode(' ',$mtime);
190 $mtime = $mtime[1] + $mtime[0];
192 $timetotal = $timeend-$timestart;
193 $r = ( function_exists('number_format_i18n') ) ? number_format_i18n($timetotal, $precision) : number_format($timetotal, $precision);
200 // Add define('WP_DEBUG',true); to wp-config.php to enable display of notices during development.
201 if (defined('WP_DEBUG') and WP_DEBUG == true) {
202 error_reporting(E_ALL);
204 // Unicode Extension is in PHP 6.0 only or do version check when this changes.
205 if ( function_exists('unicode_decode') )
206 error_reporting( E_ALL ^ E_DEPRECATED ^ E_NOTICE ^ E_USER_NOTICE ^ E_STRICT );
207 else if ( defined( 'E_DEPRECATED' ) ) // Introduced in PHP 5.3
208 error_reporting( E_ALL ^ E_DEPRECATED ^ E_NOTICE ^ E_USER_NOTICE );
210 error_reporting(E_ALL ^ E_NOTICE ^ E_USER_NOTICE);
213 // For an advanced caching plugin to use, static because you would only want one
214 if ( defined('WP_CACHE') )
215 @include WP_CONTENT_DIR . '/advanced-cache.php';
218 * Stores the location of the WordPress directory of functions, classes, and core content.
222 define('WPINC', 'wp-includes');
224 if ( !defined('WP_LANG_DIR') ) {
226 * Stores the location of the language directory. First looks for language folder in WP_CONTENT_DIR
227 * and uses that folder if it exists. Or it uses the "languages" folder in WPINC.
231 if ( file_exists(WP_CONTENT_DIR . '/languages') && @is_dir(WP_CONTENT_DIR . '/languages') ) {
232 define('WP_LANG_DIR', WP_CONTENT_DIR . '/languages'); // no leading slash, no trailing slash, full path, not relative to ABSPATH
233 if (!defined('LANGDIR')) {
234 // Old static relative path maintained for limited backwards compatibility - won't work in some cases
235 define('LANGDIR', 'wp-content/languages');
238 define('WP_LANG_DIR', ABSPATH . WPINC . '/languages'); // no leading slash, no trailing slash, full path, not relative to ABSPATH
239 if (!defined('LANGDIR')) {
240 // Old relative path maintained for backwards compatibility
241 define('LANGDIR', WPINC . '/languages');
246 require (ABSPATH . WPINC . '/compat.php');
247 require (ABSPATH . WPINC . '/functions.php');
248 require (ABSPATH . WPINC . '/classes.php');
252 if ( !empty($wpdb->error) )
255 $prefix = $wpdb->set_prefix($table_prefix);
257 if ( is_wp_error($prefix) )
258 wp_die(/*WP_I18N_BAD_PREFIX*/'<strong>ERROR</strong>: <code>$table_prefix</code> in <code>wp-config.php</code> can only contain numbers, letters, and underscores.'/*/WP_I18N_BAD_PREFIX*/);
260 if ( file_exists(WP_CONTENT_DIR . '/object-cache.php') )
261 require_once (WP_CONTENT_DIR . '/object-cache.php');
263 require_once (ABSPATH . WPINC . '/cache.php');
266 if ( function_exists('wp_cache_add_global_groups') ) {
267 wp_cache_add_global_groups(array ('users', 'userlogins', 'usermeta'));
268 wp_cache_add_non_persistent_groups(array( 'comment', 'counts', 'plugins' ));
271 require (ABSPATH . WPINC . '/plugin.php');
272 require (ABSPATH . WPINC . '/default-filters.php');
273 include_once(ABSPATH . WPINC . '/streams.php');
274 include_once(ABSPATH . WPINC . '/gettext.php');
275 require_once (ABSPATH . WPINC . '/l10n.php');
277 if ( !is_blog_installed() && (strpos($_SERVER['PHP_SELF'], 'install.php') === false && !defined('WP_INSTALLING')) ) {
278 if ( defined('WP_SITEURL') )
279 $link = WP_SITEURL . '/wp-admin/install.php';
280 elseif (strpos($_SERVER['PHP_SELF'], 'wp-admin') !== false)
281 $link = preg_replace('|/wp-admin/?.*?$|', '/', $_SERVER['PHP_SELF']) . 'wp-admin/install.php';
283 $link = preg_replace('|/[^/]+?$|', '/', $_SERVER['PHP_SELF']) . 'wp-admin/install.php';
284 require_once(ABSPATH . WPINC . '/kses.php');
285 require_once(ABSPATH . WPINC . '/pluggable.php');
287 die(); // have to die here ~ Mark
290 require (ABSPATH . WPINC . '/formatting.php');
291 require (ABSPATH . WPINC . '/capabilities.php');
292 require (ABSPATH . WPINC . '/query.php');
293 require (ABSPATH . WPINC . '/theme.php');
294 require (ABSPATH . WPINC . '/user.php');
295 require (ABSPATH . WPINC . '/general-template.php');
296 require (ABSPATH . WPINC . '/link-template.php');
297 require (ABSPATH . WPINC . '/author-template.php');
298 require (ABSPATH . WPINC . '/post.php');
299 require (ABSPATH . WPINC . '/post-template.php');
300 require (ABSPATH . WPINC . '/category.php');
301 require (ABSPATH . WPINC . '/category-template.php');
302 require (ABSPATH . WPINC . '/comment.php');
303 require (ABSPATH . WPINC . '/comment-template.php');
304 require (ABSPATH . WPINC . '/rewrite.php');
305 require (ABSPATH . WPINC . '/feed.php');
306 require (ABSPATH . WPINC . '/bookmark.php');
307 require (ABSPATH . WPINC . '/bookmark-template.php');
308 require (ABSPATH . WPINC . '/kses.php');
309 require (ABSPATH . WPINC . '/cron.php');
310 require (ABSPATH . WPINC . '/version.php');
311 require (ABSPATH . WPINC . '/deprecated.php');
312 require (ABSPATH . WPINC . '/script-loader.php');
313 require (ABSPATH . WPINC . '/taxonomy.php');
314 require (ABSPATH . WPINC . '/update.php');
315 require (ABSPATH . WPINC . '/canonical.php');
316 require (ABSPATH . WPINC . '/shortcodes.php');
317 require (ABSPATH . WPINC . '/media.php');
318 require (ABSPATH . WPINC . '/http.php');
320 if ( !defined('WP_CONTENT_URL') )
321 define( 'WP_CONTENT_URL', get_option('siteurl') . '/wp-content'); // full url - WP_CONTENT_DIR is defined further up
324 * Allows for the plugins directory to be moved from the default location.
328 if ( !defined('WP_PLUGIN_DIR') )
329 define( 'WP_PLUGIN_DIR', WP_CONTENT_DIR . '/plugins' ); // full path, no trailing slash
332 * Allows for the plugins directory to be moved from the default location.
336 if ( !defined('WP_PLUGIN_URL') )
337 define( 'WP_PLUGIN_URL', WP_CONTENT_URL . '/plugins' ); // full url, no trailing slash
340 * Allows for the plugins directory to be moved from the default location.
344 if ( !defined('PLUGINDIR') )
345 define( 'PLUGINDIR', 'wp-content/plugins' ); // Relative to ABSPATH. For back compat.
348 * Used to guarantee unique hash cookies
351 define('COOKIEHASH', md5(get_option('siteurl')));
354 * Should be exactly the same as the default value of SECRET_KEY in wp-config-sample.php
357 $wp_default_secret_key = 'put your unique phrase here';
360 * It is possible to define this in wp-config.php
363 if ( !defined('USER_COOKIE') )
364 define('USER_COOKIE', 'wordpressuser_' . COOKIEHASH);
367 * It is possible to define this in wp-config.php
370 if ( !defined('PASS_COOKIE') )
371 define('PASS_COOKIE', 'wordpresspass_' . COOKIEHASH);
374 * It is possible to define this in wp-config.php
377 if ( !defined('AUTH_COOKIE') )
378 define('AUTH_COOKIE', 'wordpress_' . COOKIEHASH);
381 * It is possible to define this in wp-config.php
384 if ( !defined('SECURE_AUTH_COOKIE') )
385 define('SECURE_AUTH_COOKIE', 'wordpress_sec_' . COOKIEHASH);
388 * It is possible to define this in wp-config.php
391 if ( !defined('LOGGED_IN_COOKIE') )
392 define('LOGGED_IN_COOKIE', 'wordpress_logged_in_' . COOKIEHASH);
395 * It is possible to define this in wp-config.php
398 if ( !defined('TEST_COOKIE') )
399 define('TEST_COOKIE', 'wordpress_test_cookie');
402 * It is possible to define this in wp-config.php
405 if ( !defined('COOKIEPATH') )
406 define('COOKIEPATH', preg_replace('|https?://[^/]+|i', '', get_option('home') . '/' ) );
409 * It is possible to define this in wp-config.php
412 if ( !defined('SITECOOKIEPATH') )
413 define('SITECOOKIEPATH', preg_replace('|https?://[^/]+|i', '', get_option('siteurl') . '/' ) );
416 * It is possible to define this in wp-config.php
419 if ( !defined('ADMIN_COOKIE_PATH') )
420 define( 'ADMIN_COOKIE_PATH', SITECOOKIEPATH . 'wp-admin' );
423 * It is possible to define this in wp-config.php
426 if ( !defined('PLUGINS_COOKIE_PATH') )
427 define( 'PLUGINS_COOKIE_PATH', preg_replace('|https?://[^/]+|i', '', WP_PLUGIN_URL) );
430 * It is possible to define this in wp-config.php
433 if ( !defined('COOKIE_DOMAIN') )
434 define('COOKIE_DOMAIN', false);
437 * It is possible to define this in wp-config.php
440 if ( !defined('FORCE_SSL_ADMIN') )
441 define('FORCE_SSL_ADMIN', false);
442 force_ssl_admin(FORCE_SSL_ADMIN);
445 * It is possible to define this in wp-config.php
448 if ( !defined('FORCE_SSL_LOGIN') )
449 define('FORCE_SSL_LOGIN', false);
450 force_ssl_login(FORCE_SSL_LOGIN);
453 * It is possible to define this in wp-config.php
456 if ( !defined( 'AUTOSAVE_INTERVAL' ) )
457 define( 'AUTOSAVE_INTERVAL', 60 );
460 require (ABSPATH . WPINC . '/vars.php');
462 // Check for hacks file if the option is enabled
463 if (get_option('hack_file')) {
464 if (file_exists(ABSPATH . 'my-hacks.php'))
465 require(ABSPATH . 'my-hacks.php');
468 if ( get_option('active_plugins') && !defined('WP_INSTALLING') ) {
469 $current_plugins = get_option('active_plugins');
470 if ( is_array($current_plugins) ) {
471 foreach ($current_plugins as $plugin) {
472 if ( '' != $plugin && 0 == validate_file($plugin) && file_exists(WP_PLUGIN_DIR . '/' . $plugin) )
473 include_once(WP_PLUGIN_DIR . '/' . $plugin);
478 require (ABSPATH . WPINC . '/pluggable.php');
481 * In most cases the default internal encoding is latin1, which is of no use,
482 * since we want to use the mb_ functions for utf-8 strings
484 if (function_exists('mb_internal_encoding')) {
485 if (!@mb_internal_encoding(get_option('blog_charset')))
486 mb_internal_encoding('UTF-8');
490 if ( defined('WP_CACHE') && function_exists('wp_cache_postload') )
493 do_action('plugins_loaded');
495 $default_constants = array( 'WP_POST_REVISIONS' => true );
496 foreach ( $default_constants as $c => $v )
497 @define( $c, $v ); // will fail if the constant is already defined
498 unset($default_constants, $c, $v);
500 // If already slashed, strip.
501 if ( get_magic_quotes_gpc() ) {
502 $_GET = stripslashes_deep($_GET );
503 $_POST = stripslashes_deep($_POST );
504 $_COOKIE = stripslashes_deep($_COOKIE);
508 $_GET = add_magic_quotes($_GET );
509 $_POST = add_magic_quotes($_POST );
510 $_COOKIE = add_magic_quotes($_COOKIE);
511 $_SERVER = add_magic_quotes($_SERVER);
513 do_action('sanitize_comment_cookies');
516 * WordPress Query object
517 * @global object $wp_the_query
520 $wp_the_query =& new WP_Query();
523 * Holds the reference to @see $wp_the_query
524 * Use this global for WordPress queries
525 * @global object $wp_query
528 $wp_query =& $wp_the_query;
531 * Holds the WordPress Rewrite object for creating pretty URLs
532 * @global object $wp_rewrite
535 $wp_rewrite =& new WP_Rewrite();
544 do_action('setup_theme');
547 * Web Path to the current active template directory
550 define('TEMPLATEPATH', get_template_directory());
553 * Web Path to the current active template stylesheet directory
556 define('STYLESHEETPATH', get_stylesheet_directory());
558 // Load the default text localization domain.
559 load_default_textdomain();
562 * The locale of the blog
565 $locale = get_locale();
566 $locale_file = WP_LANG_DIR . "/$locale.php";
567 if ( is_readable($locale_file) )
568 require_once($locale_file);
570 // Pull in locale data after loading text domain.
571 require_once(ABSPATH . WPINC . '/locale.php');
574 * WordPress Locale object for loading locale domain date and various strings.
575 * @global object $wp_locale
578 $wp_locale =& new WP_Locale();
580 // Load functions for active theme.
581 if ( TEMPLATEPATH !== STYLESHEETPATH && file_exists(STYLESHEETPATH . '/functions.php') )
582 include(STYLESHEETPATH . '/functions.php');
583 if ( file_exists(TEMPLATEPATH . '/functions.php') )
584 include(TEMPLATEPATH . '/functions.php');
587 * Runs just before PHP shuts down execution.
592 function shutdown_action_hook() {
593 do_action('shutdown');
596 register_shutdown_function('shutdown_action_hook');
598 $wp->init(); // Sets up current user.
600 // Everything is loaded and initialized.