Use get_current_site() instead of the $current_site global when possible.

props jeremyfelt.
fixes #25158.

git-svn-id: https://develop.svn.wordpress.org/trunk@26120 602fd350-edb4-49c9-b593-d223f7449a82

src/wp-includes/admin-bar.php

@@ -243,8 +243,6 @@ function wp_admin_bar_my_account_menu( $wp_admin_bar ) {
  * @param WP_Admin_Bar $wp_admin_bar
  */
 function wp_admin_bar_site_menu( $wp_admin_bar ) {
-	global $current_site;
-
 	// Don't show for logged out users.
 	if ( ! is_user_logged_in() )
 		return;
@@ -259,9 +257,9 @@ function wp_admin_bar_site_menu( $wp_admin_bar ) {
 		$blogname = preg_replace( '#^(https?://)?(www.)?#', '', get_home_url() );
 
 	if ( is_network_admin() ) {
-		$blogname = sprintf( __('Network Admin: %s'), esc_html( $current_site->site_name ) );
+		$blogname = sprintf( __('Network Admin: %s'), esc_html( get_current_site()->site_name ) );
 	} elseif ( is_user_admin() ) {
-		$blogname = sprintf( __('Global Dashboard: %s'), esc_html( $current_site->site_name ) );
+		$blogname = sprintf( __('Global Dashboard: %s'), esc_html( get_current_site()->site_name ) );
 	}
 
 	$title = wp_html_excerpt( $blogname, 40, '…' );

src/wp-includes/class-wp-xmlrpc-server.php

@@ -459,7 +459,6 @@ class wp_xmlrpc_server extends IXR_Server {
 	 *  - 'xmlrpc' - url of xmlrpc endpoint
 	 */
 	function wp_getUsersBlogs( $args ) {
-		global $current_site;
 		// If this isn't on WPMU then just use blogger_getUsersBlogs
 		if ( !is_multisite() ) {
 			array_unshift( $args, 1 );
@@ -481,7 +480,7 @@ class wp_xmlrpc_server extends IXR_Server {
 
 		foreach ( $blogs as $blog ) {
 			// Don't include blogs that aren't hosted at this site
-			if ( $blog->site_id != $current_site->id )
+			if ( $blog->site_id != get_current_site()->id )
 				continue;
 
 			$blog_id = $blog->userblog_id;

src/wp-includes/http.php

@@ -545,11 +545,11 @@ function allowed_http_request_hosts( $is_external, $host ) {
  * @return bool
  */
 function ms_allowed_http_request_hosts( $is_external, $host ) {
-	global $wpdb, $current_site;
+	global $wpdb;
 	static $queried = array();
 	if ( $is_external )
 		return $is_external;
-	if ( $host === $current_site->domain )
+	if ( $host === get_current_site()->domain )
 		return true;
 	if ( isset( $queried[ $host ] ) )
 		return $queried[ $host ];

src/wp-includes/link-template.php

@@ -2187,11 +2187,11 @@ function plugins_url($path = '', $plugin = '') {
  * @return string Site url link with optional path appended.
 */
 function network_site_url( $path = '', $scheme = null ) {
-	global $current_site;
-
 	if ( ! is_multisite() )
 		return site_url($path, $scheme);
 
+	$current_site = get_current_site();
+
 	if ( 'relative' == $scheme )
 		$url = $current_site->path;
 	else
@@ -2218,11 +2218,10 @@ function network_site_url( $path = '', $scheme = null ) {
  * @return string Home url link with optional path appended.
 */
 function network_home_url( $path = '', $scheme = null ) {
-	global $current_site;
-
 	if ( ! is_multisite() )
 		return home_url($path, $scheme);
 
+	$current_site = get_current_site();
 	$orig_scheme = $scheme;
 
 	if ( ! in_array( $scheme, array( 'http', 'https', 'relative' ) ) )

src/wp-includes/ms-blogs.php

@@ -64,8 +64,9 @@ function get_blogaddress_by_name( $blogname ) {
  * @return int A blog id
  */
 function get_id_from_blogname( $slug ) {
-	global $wpdb, $current_site;
+	global $wpdb;
 
+	$current_site = get_current_site();
 	$slug = trim( $slug, '/' );
 
 	$blog_id = wp_cache_get( 'get_id_from_blogname_' . $slug, 'blog-details' );

src/wp-includes/ms-default-constants.php

@@ -45,7 +45,7 @@ function ms_upload_constants() {
  * @since 3.0.0
  */
 function ms_cookie_constants(  ) {
-	global $current_site;
+	$current_site = get_current_site();
 
 	/**
 	 * @since 1.2.0

src/wp-includes/ms-functions.php

@@ -535,9 +535,10 @@ function wpmu_validate_user_signup($user_name, $user_email) {
  * @param string $blog_title The blog title provided by the user.
  * @return array Contains the new site data and error messages.
  */
-function wpmu_validate_blog_signup($blogname, $blog_title, $user = '') {
-	global $wpdb, $domain, $current_site;
+function wpmu_validate_blog_signup( $blogname, $blog_title, $user = '' ) {
+	global $wpdb, $domain;
 
+	$current_site = get_current_site();
 	$base = $current_site->path;
 
 	$blog_title = strip_tags( $blog_title );
@@ -709,13 +710,11 @@ function wpmu_signup_user( $user, $user_email, $meta = array() ) {
  * @return bool
  */
 function wpmu_signup_blog_notification( $domain, $path, $title, $user, $user_email, $key, $meta = array() ) {
-	global $current_site;
-
 	if ( !apply_filters('wpmu_signup_blog_notification', $domain, $path, $title, $user, $user_email, $key, $meta) )
 		return false;
 
 	// Send email with activation link.
-	if ( !is_subdomain_install() || $current_site->id != 1 )
+	if ( !is_subdomain_install() || get_current_site()->id != 1 )
 		$activate_url = network_site_url("wp-activate.php?key=$key");
 	else
 		$activate_url = "http://{$domain}{$path}wp-activate.php?key=$key"; // @todo use *_url() API
@@ -1122,8 +1121,8 @@ function insert_blog($domain, $path, $site_id) {
  * @param int $blog_id The value returned by insert_blog().
  * @param string $blog_title The title of the new site.
  */
-function install_blog($blog_id, $blog_title = '') {
-	global $wpdb, $wp_roles, $current_site;
+function install_blog( $blog_id, $blog_title = '' ) {
+	global $wpdb, $wp_roles;
 
 	// Cast for security
 	$blog_id = (int) $blog_id;
@@ -1151,7 +1150,7 @@ function install_blog($blog_id, $blog_title = '') {
 	if ( get_site_option( 'ms_files_rewriting' ) )
 		update_option( 'upload_path', UPLOADBLOGSDIR . "/$blog_id/files" );
 	else
-		update_option( 'upload_path', get_blog_option( $current_site->blog_id, 'upload_path' ) );
+		update_option( 'upload_path', get_blog_option( get_current_site()->blog_id, 'upload_path' ) );
 
 	update_option( 'blogname', wp_unslash( $blog_title ) );
 	update_option( 'admin_email', '' );
@@ -1205,7 +1204,7 @@ function install_blog_defaults($blog_id, $user_id) {
  * @return bool
  */
 function wpmu_welcome_notification( $blog_id, $user_id, $password, $title, $meta = array() ) {
-	global $current_site;
+	$current_site = get_current_site();
 
 	if ( !apply_filters('wpmu_welcome_notification', $blog_id, $user_id, $password, $title, $meta) )
 		return false;
@@ -1269,7 +1268,7 @@ We hope you enjoy your new site. Thanks!
  * @return bool
  */
 function wpmu_welcome_user_notification( $user_id, $password, $meta = array() ) {
-	global $current_site;
+	$current_site = get_current_site();
 
 	if ( !apply_filters('wpmu_welcome_user_notification', $user_id, $password, $meta) )
 		return false;
@@ -1560,8 +1559,7 @@ function global_terms( $term_id, $deprecated = '' ) {
  * @return array The current site's domain
  */
 function redirect_this_site( $deprecated = '' ) {
-	global $current_site;
-	return array( $current_site->domain );
+	return array( get_current_site()->domain );
 }
 
 /**
@@ -1689,11 +1687,10 @@ function add_existing_user_to_blog( $details = false ) {
  * @param array $meta
  */
 function add_new_user_to_blog( $user_id, $password, $meta ) {
-	global $current_site;
 	if ( !empty( $meta[ 'add_to_blog' ] ) ) {
 		$blog_id = $meta[ 'add_to_blog' ];
 		$role = $meta[ 'new_role' ];
-		remove_user_from_blog($user_id, $current_site->blog_id); // remove user from main blog.
+		remove_user_from_blog($user_id, get_current_site()->blog_id); // remove user from main blog.
 		add_user_to_blog( $blog_id, $user_id, $role );
 		update_user_meta( $user_id, 'primary_blog', $blog_id );
 	}
@@ -1705,8 +1702,7 @@ function add_new_user_to_blog( $user_id, $password, $meta ) {
  * @since MU
  */
 function fix_phpmailer_messageid( $phpmailer ) {
-	global $current_site;
-	$phpmailer->Hostname = $current_site->domain;
+	$phpmailer->Hostname = get_current_site()->domain;
 }
 
 /**

src/wp-includes/ms-load.php

@@ -71,8 +71,6 @@ function wp_get_active_network_plugins() {
  * @return bool|string Returns true on success, or drop-in file to include.
  */
 function ms_site_check() {
-	global $wpdb, $current_site;
-
 	$blog = get_blog_details();
 
 	/**
@@ -101,7 +99,7 @@ function ms_site_check() {
 		if ( file_exists( WP_CONTENT_DIR . '/blog-inactive.php' ) )
 			return WP_CONTENT_DIR . '/blog-inactive.php';
 		else
-			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@{$current_site->domain}" ) ) ) );
+			wp_die( sprintf( __( 'This site has not been activated yet. If you are having problems activating your site, please contact <a href="mailto:%1$s">%1$s</a>.' ), str_replace( '@', ' AT ', get_site_option( 'admin_email', 'support@' . get_current_site()->domain ) ) ) );
 	}
 
 	if ( $blog->archived == '1' || $blog->spam == '1' ) {