Neos\Flow\Tests\Features\Bootstrap\SubProcess\SubProcess::execute PHP Метод

    public function execute($commandLine)
    {
        if (is_resource($this->subProcess)) {
            $subProcessStatus = proc_get_status($this->subProcess);
            if ($subProcessStatus['running'] === false) {
                proc_close($this->subProcess);
            }
        }
        if (!is_resource($this->subProcess)) {
            list($this->subProcess, $this->pipes) = $this->launchSubProcess();
            if ($this->subProcess === false || !is_array($this->pipes)) {
                throw new \Exception('Failed launching the shell sub process');
            }
        }
        fwrite($this->pipes[0], $commandLine . "\n");
        fflush($this->pipes[0]);
        return $this->getSubProcessResponse();
    }