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<?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');
Output for git.master_jit, git.master, rfc.property-hooks
Fatal error: Uncaught Error: Failed opening required 'adf' (include_path='.:') in /in/EDlat:17 Stack trace: #0 {main} thrown in /in/EDlat on line 17
Process exited with code 255.

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