Index: nav-menu.php
===================================================================
--- nav-menu.php	(revision 54956)
+++ nav-menu.php	(working copy)
@@ -926,7 +926,7 @@
 	$menu_id     = (int) $menu_id;
 	$items_saved = array();
 
-	if ( 0 == $menu_id || is_nav_menu( $menu_id ) ) {
+	if ( 0 === $menu_id || is_nav_menu( $menu_id ) ) {
 
 		// Loop through all the menu items' POST values.
 		foreach ( (array) $menu_data as $_possible_db_id => $_item_object_data ) {
@@ -952,7 +952,7 @@
 			if (
 				empty( $_item_object_data['menu-item-db-id'] ) ||
 				( 0 > $_possible_db_id ) ||
-				$_possible_db_id != $_item_object_data['menu-item-db-id']
+				$_possible_db_id !== $_item_object_data['menu-item-db-id']
 			) {
 				$_actual_db_id = 0;
 			} else {
@@ -1199,7 +1199,7 @@
 				$args[ $field ] = isset( $_POST[ $field ][ $_key ] ) ? $_POST[ $field ][ $_key ] : '';
 			}
 
-			$menu_item_db_id = wp_update_nav_menu_item( $nav_menu_selected_id, ( $_POST['menu-item-db-id'][ $_key ] != $_key ? 0 : $_key ), $args );
+			$menu_item_db_id = wp_update_nav_menu_item( $nav_menu_selected_id, ( $_POST['menu-item-db-id'][ $_key ] !== $_key ? 0 : $_key ), $args );
 
 			if ( is_wp_error( $menu_item_db_id ) ) {
 				$messages[] = '<div id="message" class="error"><p>' . $menu_item_db_id->get_error_message() . '</p></div>';
@@ -1289,7 +1289,7 @@
 
 			// Build the new array value from leaf to trunk.
 			for ( $i = count( $array_bits ) - 1; $i >= 0; $i-- ) {
-				if ( count( $array_bits ) - 1 == $i ) {
+				if ( count( $array_bits ) - 1 === $i ) {
 					$new_post_data[ $array_bits[ $i ] ] = wp_slash( $post_input_data->value );
 				} else {
 					$new_post_data = array( $array_bits[ $i ] => $new_post_data );