Online PHP editor | refs for EDlat

<?php set_error_handler (function($errno, $errstr, $errfile, $errline){ if(preg_match('~.*require_once$(.*?)$\: failed~', $errstr, $matches)){ $file = $matches[1]; if(is_readable($file)){ echo 'caught require... error, file ' .$file . ' is readable o.O' ; }else{ echo 'caught require... error, file ' .$file . ' is NOT readable' ; //and here you can do some more test, like 'is xyz mounted' etc. } } }); require_once('adf');