Consolidation\Cgr\CommandToExec::runCommand PHP Метод

    public static function runCommand($commandString, $stdoutFile = '')
    {
        $stdout = STDOUT;
        $stderr = STDERR;
        if (!empty($stdoutFile)) {
            $stdout = array("file", $stdoutFile, "a");
            $stderr = $stdout;
        }
        $process = proc_open($commandString, array(0 => STDIN, 1 => $stdout, 2 => $stderr), $pipes);
        $procStatus = proc_get_status($process);
        $exitCode = proc_close($process);
        return $procStatus["running"] ? $exitCode : $procStatus["exitcode"];
    }