Ticket #9116: 9116.diff

wp-admin/includes/plugin.php

@@ -1013 +1013 @@
  */
 function remove_option_update_handler($option_group, $option_name, $sanitize_callback = '') {
         global $new_whitelist_options;
-        $pos = array_search( $option_name, $new_whitelist_options );
+        $pos = array_search( $option_name, (array) $new_whitelist_options );
         if ( $pos !== false )
                 unset( $new_whitelist_options[ $option_group ][ $pos ] );
         if ( $sanitize_callback != '' )