+
+/**
+ * Redirect a user based on $_GET or $_POST arguments.
+ *
+ * The function looks for redirect arguments in the following order:
+ * 1) $_GET['ref']
+ * 2) $_POST['ref']
+ * 3) $_SERVER['HTTP_REFERER']
+ * 4) $_GET['redirect']
+ * 5) $_POST['redirect']
+ * 6) $url
+ *
+ * @since MU
+ * @deprecated 3.3.0
+ * @deprecated Use wp_redirect()
+ * @uses wpmu_admin_redirect_add_updated_param()
+ *
+ * @param string $url
+ */
+function wpmu_admin_do_redirect( $url = '' ) {
+ _deprecated_function( __FUNCTION__, '3.3' );
+
+ $ref = '';
+ if ( isset( $_GET['ref'] ) )
+ $ref = $_GET['ref'];
+ if ( isset( $_POST['ref'] ) )
+ $ref = $_POST['ref'];
+
+ if ( $ref ) {
+ $ref = wpmu_admin_redirect_add_updated_param( $ref );
+ wp_redirect( $ref );
+ exit();
+ }
+ if ( empty( $_SERVER['HTTP_REFERER'] ) == false ) {
+ wp_redirect( $_SERVER['HTTP_REFERER'] );
+ exit();
+ }
+
+ $url = wpmu_admin_redirect_add_updated_param( $url );
+ if ( isset( $_GET['redirect'] ) ) {
+ if ( substr( $_GET['redirect'], 0, 2 ) == 's_' )
+ $url .= '&action=blogs&s='. esc_html( substr( $_GET['redirect'], 2 ) );
+ } elseif ( isset( $_POST['redirect'] ) ) {
+ $url = wpmu_admin_redirect_add_updated_param( $_POST['redirect'] );
+ }
+ wp_redirect( $url );
+ exit();
+}
+
+/**
+ * Adds an 'updated=true' argument to a URL.
+ *
+ * @since MU
+ * @deprecated 3.3.0
+ * @deprecated Use add_query_arg()
+ *
+ * @param string $url
+ * @return string
+ */
+function wpmu_admin_redirect_add_updated_param( $url = '' ) {
+ _deprecated_function( __FUNCTION__, '3.3' );
+
+ if ( strpos( $url, 'updated=true' ) === false ) {
+ if ( strpos( $url, '?' ) === false )
+ return $url . '?updated=true';
+ else
+ return $url . '&updated=true';
+ }
+ return $url;
+}
+
+/**
+ * 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
+ * @deprecated Use get_user_by()
+ * @uses 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 );
+}