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alazhar
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wp-includes/ms-load.php
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258
wp-includes/ms-load.php
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<?php
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/**
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* These functions are needed to load Multisite.
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*
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* @since 3.0.0
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*
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* @package WordPress
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* @subpackage Multisite
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*/
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/**
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* Whether a subdomain configuration is enabled.
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*
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* @since 3.0.0
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*
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* @return bool True if subdomain configuration is enabled, false otherwise.
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*/
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function is_subdomain_install() {
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if ( defined('SUBDOMAIN_INSTALL') )
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return SUBDOMAIN_INSTALL;
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if ( defined('VHOST') && VHOST == 'yes' )
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return true;
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return false;
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}
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/**
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* Returns array of network plugin files to be included in global scope.
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*
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* The default directory is wp-content/plugins. To change the default directory
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* manually, define <code>WP_PLUGIN_DIR</code> and <code>WP_PLUGIN_URL</code>
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* in wp-config.php.
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*
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* @access private
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* @since 3.1.0
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* @return array Files to include
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*/
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function wp_get_active_network_plugins() {
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$active_plugins = (array) get_site_option( 'active_sitewide_plugins', array() );
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if ( empty( $active_plugins ) )
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return array();
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$plugins = array();
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$active_plugins = array_keys( $active_plugins );
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sort( $active_plugins );
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foreach ( $active_plugins as $plugin ) {
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if ( ! validate_file( $plugin ) // $plugin must validate as file
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&& '.php' == substr( $plugin, -4 ) // $plugin must end with '.php'
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&& file_exists( WP_PLUGIN_DIR . '/' . $plugin ) // $plugin must exist
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)
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$plugins[] = WP_PLUGIN_DIR . '/' . $plugin;
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}
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return $plugins;
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}
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/**
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* Checks status of current blog.
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*
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* Checks if the blog is deleted, inactive, archived, or spammed.
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*
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* Dies with a default message if the blog does not pass the check.
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*
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* To change the default message when a blog does not pass the check,
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* use the wp-content/blog-deleted.php, blog-inactive.php and
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* blog-suspended.php drop-ins.
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*
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* @return bool|string Returns true on success, or drop-in file to include.
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*/
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function ms_site_check() {
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global $wpdb;
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$blog = get_blog_details();
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// Allow short-circuiting
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$check = apply_filters('ms_site_check', null);
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if ( null !== $check )
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return true;
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// Allow super admins to see blocked sites
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if ( is_super_admin() )
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return true;
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if ( '1' == $blog->deleted ) {
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if ( file_exists( WP_CONTENT_DIR . '/blog-deleted.php' ) )
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return WP_CONTENT_DIR . '/blog-deleted.php';
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else
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wp_die( __( 'This user has elected to delete their account and the content is no longer available.' ), '', array( 'response' => 410 ) );
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}
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if ( '2' == $blog->deleted ) {
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if ( file_exists( WP_CONTENT_DIR . '/blog-inactive.php' ) )
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return WP_CONTENT_DIR . '/blog-inactive.php';
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else
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wp_die( sprintf( __( 'This site has not been activated yet. If you are having problems activating your site, please contact <a href="mailto:%1$s">%1$s</a>.' ), str_replace( '@', ' AT ', get_site_option( 'admin_email', "support@{$current_site->domain}" ) ) ) );
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}
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if ( $blog->archived == '1' || $blog->spam == '1' ) {
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if ( file_exists( WP_CONTENT_DIR . '/blog-suspended.php' ) )
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return WP_CONTENT_DIR . '/blog-suspended.php';
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else
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wp_die( __( 'This site has been archived or suspended.' ), '', array( 'response' => 410 ) );
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}
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return true;
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}
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/**
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* Sets current site name.
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*
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* @access private
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* @since 3.0.0
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* @return object $current_site object with site_name
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*/
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function get_current_site_name( $current_site ) {
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global $wpdb;
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$current_site->site_name = wp_cache_get( $current_site->id . ':site_name', 'site-options' );
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if ( ! $current_site->site_name ) {
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$current_site->site_name = $wpdb->get_var( $wpdb->prepare( "SELECT meta_value FROM $wpdb->sitemeta WHERE site_id = %d AND meta_key = 'site_name'", $current_site->id ) );
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if ( ! $current_site->site_name )
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$current_site->site_name = ucfirst( $current_site->domain );
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wp_cache_set( $current_site->id . ':site_name', $current_site->site_name, 'site-options' );
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}
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return $current_site;
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}
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/**
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* Sets current_site object.
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*
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* @access private
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* @since 3.0.0
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* @return object $current_site object
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*/
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function wpmu_current_site() {
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global $wpdb, $current_site, $domain, $path, $sites, $cookie_domain;
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if ( empty( $current_site ) )
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$current_site = new stdClass;
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if ( defined( 'DOMAIN_CURRENT_SITE' ) && defined( 'PATH_CURRENT_SITE' ) ) {
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$current_site->id = defined( 'SITE_ID_CURRENT_SITE' ) ? SITE_ID_CURRENT_SITE : 1;
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$current_site->domain = DOMAIN_CURRENT_SITE;
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$current_site->path = $path = PATH_CURRENT_SITE;
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if ( defined( 'BLOG_ID_CURRENT_SITE' ) )
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$current_site->blog_id = BLOG_ID_CURRENT_SITE;
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elseif ( defined( 'BLOGID_CURRENT_SITE' ) ) // deprecated.
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$current_site->blog_id = BLOGID_CURRENT_SITE;
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if ( DOMAIN_CURRENT_SITE == $domain )
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$current_site->cookie_domain = $cookie_domain;
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elseif ( substr( $current_site->domain, 0, 4 ) == 'www.' )
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$current_site->cookie_domain = substr( $current_site->domain, 4 );
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else
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$current_site->cookie_domain = $current_site->domain;
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wp_load_core_site_options( $current_site->id );
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return $current_site;
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}
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$current_site = wp_cache_get( 'current_site', 'site-options' );
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if ( $current_site )
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return $current_site;
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$sites = $wpdb->get_results( "SELECT * FROM $wpdb->site" ); // usually only one site
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if ( 1 == count( $sites ) ) {
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$current_site = $sites[0];
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wp_load_core_site_options( $current_site->id );
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$path = $current_site->path;
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$current_site->blog_id = $wpdb->get_var( $wpdb->prepare( "SELECT blog_id FROM $wpdb->blogs WHERE domain = %s AND path = %s", $current_site->domain, $current_site->path ) );
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$current_site = get_current_site_name( $current_site );
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if ( substr( $current_site->domain, 0, 4 ) == 'www.' )
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$current_site->cookie_domain = substr( $current_site->domain, 4 );
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wp_cache_set( 'current_site', $current_site, 'site-options' );
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return $current_site;
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}
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$path = substr( $_SERVER[ 'REQUEST_URI' ], 0, 1 + strpos( $_SERVER[ 'REQUEST_URI' ], '/', 1 ) );
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if ( $domain == $cookie_domain )
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$current_site = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->site WHERE domain = %s AND path = %s", $domain, $path ) );
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else
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$current_site = $wpdb->get_row( $wpdb->prepare( "SELECT * FROM $wpdb->site WHERE domain IN ( %s, %s ) AND path = %s ORDER BY CHAR_LENGTH( domain ) DESC LIMIT 1", $domain, $cookie_domain, $path ) );
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if ( ! $current_site ) {
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if ( $domain == $cookie_domain )
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$current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path='/'", $domain ) );
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else
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$current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain IN ( %s, %s ) AND path = '/' ORDER BY CHAR_LENGTH( domain ) DESC LIMIT 1", $domain, $cookie_domain, $path ) );
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}
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if ( $current_site ) {
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$path = $current_site->path;
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$current_site->cookie_domain = $cookie_domain;
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return $current_site;
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}
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if ( is_subdomain_install() ) {
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$sitedomain = substr( $domain, 1 + strpos( $domain, '.' ) );
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$current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path = %s", $sitedomain, $path) );
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if ( $current_site ) {
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$current_site->cookie_domain = $current_site->domain;
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return $current_site;
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}
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$current_site = $wpdb->get_row( $wpdb->prepare("SELECT * FROM $wpdb->site WHERE domain = %s AND path='/'", $sitedomain) );
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}
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if ( $current_site || defined( 'WP_INSTALLING' ) ) {
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$path = '/';
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return $current_site;
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}
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// Still no dice.
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wp_load_translations_early();
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if ( 1 == count( $sites ) )
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wp_die( sprintf( __( 'That site does not exist. Please try <a href="%s">%s</a>.' ), 'http://' . $sites[0]->domain . $sites[0]->path ) );
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else
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wp_die( __( 'No site defined on this host. If you are the owner of this site, please check <a href="http://codex.wordpress.org/Debugging_a_WordPress_Network">Debugging a WordPress Network</a> for help.' ) );
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}
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/**
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* Displays a failure message.
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*
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* Used when a blog's tables do not exist. Checks for a missing $wpdb->site table as well.
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*
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* @access private
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* @since 3.0.0
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*/
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function ms_not_installed() {
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global $wpdb, $domain, $path;
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wp_load_translations_early();
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$title = __( 'Error establishing a database connection' );
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$msg = '<h1>' . $title . '</h1>';
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if ( ! is_admin() )
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die( $msg );
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$msg .= '<p>' . __( 'If your site does not display, please contact the owner of this network.' ) . '';
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$msg .= ' ' . __( 'If you are the owner of this network please check that MySQL is running properly and all tables are error free.' ) . '</p>';
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if ( false && !$wpdb->get_var( "SHOW TABLES LIKE '$wpdb->site'" ) )
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$msg .= '<p>' . sprintf( __( '<strong>Database tables are missing.</strong> This means that MySQL is not running, WordPress was not installed properly, or someone deleted <code>%s</code>. You really should look at your database now.' ), $wpdb->site ) . '</p>';
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else
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$msg .= '<p>' . sprintf( __( '<strong>Could not find site <code>%1$s</code>.</strong> Searched for table <code>%2$s</code> in database <code>%3$s</code>. Is that right?' ), rtrim( $domain . $path, '/' ), $wpdb->blogs, DB_NAME ) . '</p>';
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$msg .= '<p><strong>' . __( 'What do I do now?' ) . '</strong> ';
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$msg .= __( 'Read the <a target="_blank" href="http://codex.wordpress.org/Debugging_a_WordPress_Network">bug report</a> page. Some of the guidelines there may help you figure out what went wrong.' );
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$msg .= ' ' . __( 'If you’re still stuck with this message, then check that your database contains the following tables:' ) . '</p><ul>';
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foreach ( $wpdb->tables('global') as $t => $table ) {
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if ( 'sitecategories' == $t )
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continue;
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$msg .= '<li>' . $table . '</li>';
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}
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$msg .= '</ul>';
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wp_die( $msg, $title );
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}
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