--TEST-- Phar front controller with valid callback that does not return any value [cache_list] --INI-- default_charset=UTF-8 phar.cache_list={PWD}/frontcontroller33.php --SKIPIF-- --ENV-- SCRIPT_NAME=/frontcontroller33.php REQUEST_URI=/frontcontroller33.php --EXPECTHEADERS-- Content-type: text/html; charset=UTF-8 --FILE_EXTERNAL-- files/frontcontroller18.phar --EXPECT-- phar error: rewrite callback must return a string or false