diff --git a/wp-includes/version.php b/wp-includes/version.php
index b5ec665056..8f556c511c 100644
--- a/wp-includes/version.php
+++ b/wp-includes/version.php
@@ -4,7 +4,7 @@
  *
  * @global string $wp_version
  */
-$wp_version = '4.4-alpha-34464';
+$wp_version = '4.4-alpha-34465';
 
 /**
  * Holds the WordPress DB revision, increments when changes are made to the WordPress DB schema.
diff --git a/wp-includes/widget-functions.php b/wp-includes/widget-functions.php
index c7d46158c1..eac11f03a6 100644
--- a/wp-includes/widget-functions.php
+++ b/wp-includes/widget-functions.php
@@ -501,15 +501,15 @@ function wp_unregister_widget_control($id) {
  * @param int|string $index Optional, default is 1. Index, name or ID of dynamic sidebar.
  * @return bool True, if widget sidebar was found and called. False if not found or not called.
  */
-function dynamic_sidebar($index = 1) {
+function dynamic_sidebar( $index = 1 ) {
 	global $wp_registered_sidebars, $wp_registered_widgets;
 
-	if ( is_int($index) ) {
+	if ( is_int( $index ) ) {
 		$index = "sidebar-$index";
 	} else {
-		$index = sanitize_title($index);
+		$sanitized_index = sanitize_title( $index );
 		foreach ( (array) $wp_registered_sidebars as $key => $value ) {
-			if ( sanitize_title($value['name']) == $index ) {
+			if ( sanitize_title( $value['name'] ) == $sanitized_index ) {
 				$index = $key;
 				break;
 			}