+/**
+ * Get a numeric user ID from either an email address or a login.
+ *
+ * A numeric string is considered to be an existing user ID
+ * and is simply returned as such.
+ *
+ * @since MU
+ * @deprecated 3.6.0 Use get_user_by()
+ * @see get_user_by()
+ *
+ * @param string $string Either an email address or a login.
+ * @return int
+ */
+function get_user_id_from_string( $string ) {
+ _deprecated_function( __FUNCTION__, '3.6', 'get_user_by()' );
+
+ if ( is_email( $string ) )
+ $user = get_user_by( 'email', $string );
+ elseif ( is_numeric( $string ) )
+ return $string;
+ else
+ $user = get_user_by( 'login', $string );
+
+ if ( $user )
+ return $user->ID;
+ return 0;
+}
+
+/**
+ * Get a full blog URL, given a domain and a path.
+ *
+ * @since MU
+ * @deprecated 3.7.0
+ *
+ * @param string $domain
+ * @param string $path
+ * @return string
+ */
+function get_blogaddress_by_domain( $domain, $path ) {
+ _deprecated_function( __FUNCTION__, '3.7' );
+
+ if ( is_subdomain_install() ) {
+ $url = "http://" . $domain.$path;
+ } else {
+ if ( $domain != $_SERVER['HTTP_HOST'] ) {
+ $blogname = substr( $domain, 0, strpos( $domain, '.' ) );
+ $url = 'http://' . substr( $domain, strpos( $domain, '.' ) + 1 ) . $path;
+ // we're not installing the main blog
+ if ( $blogname != 'www.' )
+ $url .= $blogname . '/';
+ } else { // main blog
+ $url = 'http://' . $domain . $path;
+ }
+ }
+ return esc_url_raw( $url );
+}
+
+/**
+ * Create an empty blog.
+ *
+ * @since MU 1.0
+ * @deprecated 4.4.0
+ *
+ * @param string $domain The new blog's domain.
+ * @param string $path The new blog's path.
+ * @param string $weblog_title The new blog's title.
+ * @param int $site_id Optional. Defaults to 1.
+ * @return string|int The ID of the newly created blog
+ */
+function create_empty_blog( $domain, $path, $weblog_title, $site_id = 1 ) {
+ _deprecated_function( __FUNCTION__, '4.4' );
+
+ if ( empty($path) )
+ $path = '/';
+
+ // Check if the domain has been used already. We should return an error message.
+ if ( domain_exists($domain, $path, $site_id) )
+ return __( '<strong>ERROR</strong>: Site URL already taken.' );
+
+ // Need to back up wpdb table names, and create a new wp_blogs entry for new blog.
+ // Need to get blog_id from wp_blogs, and create new table names.
+ // Must restore table names at the end of function.
+
+ if ( ! $blog_id = insert_blog($domain, $path, $site_id) )
+ return __( '<strong>ERROR</strong>: problem creating site entry.' );
+
+ switch_to_blog($blog_id);
+ install_blog($blog_id);
+ restore_current_blog();
+
+ return $blog_id;
+}
+
+/**
+ * Get the admin for a domain/path combination.
+ *
+ * @since MU 1.0
+ * @deprecated 4.4.0
+ *
+ * @global wpdb $wpdb WordPress database abstraction object.
+ *
+ * @param string $sitedomain Optional. Site domain.
+ * @param string $path Optional. Site path.
+ * @return array|false The network admins
+ */
+function get_admin_users_for_domain( $sitedomain = '', $path = '' ) {
+ _deprecated_function( __FUNCTION__, '4.4' );
+
+ global $wpdb;
+
+ if ( ! $sitedomain )
+ $site_id = $wpdb->siteid;
+ else
+ $site_id = $wpdb->get_var( $wpdb->prepare( "SELECT id FROM $wpdb->site WHERE domain = %s AND path = %s", $sitedomain, $path ) );
+
+ if ( $site_id )
+ return $wpdb->get_results( $wpdb->prepare( "SELECT u.ID, u.user_login, u.user_pass FROM $wpdb->users AS u, $wpdb->sitemeta AS sm WHERE sm.meta_key = 'admin_user_id' AND u.ID = sm.meta_value AND sm.site_id = %d", $site_id ), ARRAY_A );
+
+ return false;
+}