--TEST-- xdebug.mode: Warning for invalid modes --INI-- display_errors=0 error_log= xdebug.mode=develop,nonexisting --FILE-- <?php ?> --EXPECTF-- Xdebug: [Config] Invalid mode 'develop,nonexisting' set for 'xdebug.mode' configuration setting (See: http%sdocs/errors#CFG-C-MODE)