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<?php
/**
* Used to set up and fix common variables and include
* the Multisite procedural and class library.
*
* Allows for some configuration in wp-config.php (see ms-default-constants.php)
*
* @package WordPress
* @subpackage Multisite
* @since 3.0.0
*/
/**
* Objects representing the current network and current site.
*
* These may be populated through a custom `sunrise.php`. If not, then this
* file will attempt to populate them based on the current request.
*
* @global WP_Network $current_site The current network.
* @global object $current_blog The current site.
* @global string $domain Deprecated. The domain of the site found on load.
* Use `get_site()->domain` instead.
* @global string $path Deprecated. The path of the site found on load.
* Use `get_site()->path` instead.
* @global int $site_id Deprecated. The ID of the network found on load.
* Use `get_current_network_id()` instead.
* @global bool $public Deprecated. Whether the site found on load is public.
* Use `get_site()->public` instead.
*
* @since 3.0.0
*/
global $current_site, $current_blog, $domain, $path, $site_id, $public;
/** WP_Network class */
require_once ABSPATH . WPINC . '/class-wp-network.php';
/** WP_Site class */
require_once ABSPATH . WPINC . '/class-wp-site.php';
/** Multisite loader */
require_once ABSPATH . WPINC . '/ms-load.php';
/** Default Multisite constants */
require_once ABSPATH . WPINC . '/ms-default-constants.php';
if ( defined( 'SUNRISE' ) ) {
include_once WP_CONTENT_DIR . '/sunrise.php';
}
/** Check for and define SUBDOMAIN_INSTALL and the deprecated VHOST constant. */
ms_subdomain_constants();
// This block will process a request if the current network or current site objects
// have not been populated in the global scope through something like `sunrise.php`.
if ( ! isset( $current_site ) || ! isset( $current_blog ) ) {
$domain = strtolower( stripslashes( $_SERVER['HTTP_HOST'] ) );
if ( str_ends_with( $domain, ':80' ) ) {
$domain = substr( $domain, 0, -3 );
$_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -3 );
} elseif ( str_ends_with( $domain, ':443' ) ) {
$domain = substr( $domain, 0, -4 );
$_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -4 );
}
$path = stripslashes( $_SERVER['REQUEST_URI'] );
if ( is_admin() ) {
$path = preg_replace( '#(.*)/wp-admin/.*#', '$1/', $path );
}
list( $path ) = explode( '?', $path );
$bootstrap_result = ms_load_current_site_and_network( $domain, $path, is_subdomain_install() );
if ( true === $bootstrap_result ) {
// `$current_blog` and `$current_site are now populated.
} elseif ( false === $bootstrap_result ) {
ms_not_installed( $domain, $path );
} else {
header( 'Location: ' . $bootstrap_result );
exit;
}
unset( $bootstrap_result );
$blog_id = $current_blog->blog_id;
$public = $current_blog->public;
if ( empty( $current_blog->site_id ) ) {
// This dates to [MU134] and shouldn't be relevant anymore,
// but it could be possible for arguments passed to insert_blog() etc.
$current_blog->site_id = 1;
}
$site_id = $current_blog->site_id;
wp_load_core_site_options( $site_id );
}
$wpdb->set_prefix( $table_prefix, false ); // $table_prefix can be set in sunrise.php.
$wpdb->set_blog_id( $current_blog->blog_id, $current_blog->site_id );
$table_prefix = $wpdb->get_blog_prefix();
$_wp_switched_stack = array();
$switched = false;
// Need to init cache again after blog_id is set.
wp_start_object_cache();
if ( ! $current_site instanceof WP_Network ) {
$current_site = new WP_Network( $current_site );
}
if ( ! $current_blog instanceof WP_Site ) {
$current_blog = new WP_Site( $current_blog );
}
// Define upload directory constants.
ms_upload_constants();
/**
* Fires after the current site and network have been detected and loaded
* in multisite's bootstrap.
*
* @since 4.6.0
*/
do_action( 'ms_loaded' );