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ms-settings.php (4124B)

      1 <?php
      2 /**
      3  * Used to set up and fix common variables and include
      4  * the Multisite procedural and class library.
      5  *
      6  * Allows for some configuration in wp-config.php (see ms-default-constants.php)
      7  *
      8  * @package WordPress
      9  * @subpackage Multisite
     10  * @since 3.0.0
     11  */
     12 
     13 /**
     14  * Objects representing the current network and current site.
     15  *
     16  * These may be populated through a custom `sunrise.php`. If not, then this
     17  * file will attempt to populate them based on the current request.
     18  *
     19  * @global WP_Network $current_site The current network.
     20  * @global object     $current_blog The current site.
     21  * @global string     $domain       Deprecated. The domain of the site found on load.
     22  *                                  Use `get_site()->domain` instead.
     23  * @global string     $path         Deprecated. The path of the site found on load.
     24  *                                  Use `get_site()->path` instead.
     25  * @global int        $site_id      Deprecated. The ID of the network found on load.
     26  *                                  Use `get_current_network_id()` instead.
     27  * @global bool       $public       Deprecated. Whether the site found on load is public.
     28  *                                  Use `get_site()->public` instead.
     29  *
     30  * @since 3.0.0
     31  */
     32 global $current_site, $current_blog, $domain, $path, $site_id, $public;
     33 
     34 /** WP_Network class */
     35 require_once ABSPATH . WPINC . '/class-wp-network.php';
     36 
     37 /** WP_Site class */
     38 require_once ABSPATH . WPINC . '/class-wp-site.php';
     39 
     40 /** Multisite loader */
     41 require_once ABSPATH . WPINC . '/ms-load.php';
     42 
     43 /** Default Multisite constants */
     44 require_once ABSPATH . WPINC . '/ms-default-constants.php';
     45 
     46 if ( defined( 'SUNRISE' ) ) {
     47 	include_once WP_CONTENT_DIR . '/sunrise.php';
     48 }
     49 
     50 /** Check for and define SUBDOMAIN_INSTALL and the deprecated VHOST constant. */
     51 ms_subdomain_constants();
     52 
     53 // This block will process a request if the current network or current site objects
     54 // have not been populated in the global scope through something like `sunrise.php`.
     55 if ( ! isset( $current_site ) || ! isset( $current_blog ) ) {
     56 
     57 	$domain = strtolower( stripslashes( $_SERVER['HTTP_HOST'] ) );
     58 	if ( ':80' === substr( $domain, -3 ) ) {
     59 		$domain               = substr( $domain, 0, -3 );
     60 		$_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -3 );
     61 	} elseif ( ':443' === substr( $domain, -4 ) ) {
     62 		$domain               = substr( $domain, 0, -4 );
     63 		$_SERVER['HTTP_HOST'] = substr( $_SERVER['HTTP_HOST'], 0, -4 );
     64 	}
     65 
     66 	$path = stripslashes( $_SERVER['REQUEST_URI'] );
     67 	if ( is_admin() ) {
     68 		$path = preg_replace( '#(.*)/wp-admin/.*#', '$1/', $path );
     69 	}
     70 	list( $path ) = explode( '?', $path );
     71 
     72 	$bootstrap_result = ms_load_current_site_and_network( $domain, $path, is_subdomain_install() );
     73 
     74 	if ( true === $bootstrap_result ) {
     75 		// `$current_blog` and `$current_site are now populated.
     76 	} elseif ( false === $bootstrap_result ) {
     77 		ms_not_installed( $domain, $path );
     78 	} else {
     79 		header( 'Location: ' . $bootstrap_result );
     80 		exit;
     81 	}
     82 	unset( $bootstrap_result );
     83 
     84 	$blog_id = $current_blog->blog_id;
     85 	$public  = $current_blog->public;
     86 
     87 	if ( empty( $current_blog->site_id ) ) {
     88 		// This dates to [MU134] and shouldn't be relevant anymore,
     89 		// but it could be possible for arguments passed to insert_blog() etc.
     90 		$current_blog->site_id = 1;
     91 	}
     92 
     93 	$site_id = $current_blog->site_id;
     94 	wp_load_core_site_options( $site_id );
     95 }
     96 
     97 $wpdb->set_prefix( $table_prefix, false ); // $table_prefix can be set in sunrise.php.
     98 $wpdb->set_blog_id( $current_blog->blog_id, $current_blog->site_id );
     99 $table_prefix       = $wpdb->get_blog_prefix();
    100 $_wp_switched_stack = array();
    101 $switched           = false;
    102 
    103 // Need to init cache again after blog_id is set.
    104 wp_start_object_cache();
    105 
    106 if ( ! $current_site instanceof WP_Network ) {
    107 	$current_site = new WP_Network( $current_site );
    108 }
    109 
    110 if ( ! $current_blog instanceof WP_Site ) {
    111 	$current_blog = new WP_Site( $current_blog );
    112 }
    113 
    114 // Define upload directory constants.
    115 ms_upload_constants();
    116 
    117 /**
    118  * Fires after the current site and network have been detected and loaded
    119  * in multisite's bootstrap.
    120  *
    121  * @since 4.6.0
    122  */
    123 do_action( 'ms_loaded' );