Netresearch\Composer\Patches\Patch::executeProcess PHP Метод

    protected function executeProcess($command, $cwd, $stdin, &$stdout, &$stderr = NULL)
    {
        $descriptorSpec = array(0 => array('pipe', 'r'), 1 => array('pipe', 'w'), 2 => array('pipe', 'w'));
        $process = proc_open($command, $descriptorSpec, $pipes, $cwd);
        $txOff = 0;
        $txLen = strlen($stdin);
        $stdout = '';
        $stderr = '';
        $stdoutDone = FALSE;
        $stderrDone = FALSE;
        // Make stdin/stdout/stderr non-blocking
        stream_set_blocking($pipes[0], 0);
        stream_set_blocking($pipes[1], 0);
        stream_set_blocking($pipes[2], 0);
        if ($txLen == 0) {
            fclose($pipes[0]);
        }
        while (TRUE) {
            // The program's stdout/stderr
            $rx = array();
            if (!$stdoutDone) {
                $rx[] = $pipes[1];
            }
            if (!$stderrDone) {
                $rx[] = $pipes[2];
            }
            // The program's stdin
            $tx = array();
            if ($txOff < $txLen) {
                $tx[] = $pipes[0];
            }
            $ex = NULL;
            // Block til r/w possible
            stream_select($rx, $tx, $ex, NULL, NULL);
            if (!empty($tx)) {
                $txRet = fwrite($pipes[0], substr($stdin, $txOff, 8192));
                if ($txRet !== FALSE) {
                    $txOff += $txRet;
                }
                if ($txOff >= $txLen) {
                    fclose($pipes[0]);
                }
            }
            foreach ($rx as $r) {
                if ($r == $pipes[1]) {
                    $stdout .= fread($pipes[1], 8192);
                    if (feof($pipes[1])) {
                        fclose($pipes[1]);
                        $stdoutDone = TRUE;
                    }
                } elseif ($r == $pipes[2]) {
                    $stderr .= fread($pipes[2], 8192);
                    if (feof($pipes[2])) {
                        fclose($pipes[2]);
                        $stderrDone = TRUE;
                    }
                }
            }
            if (!is_resource($process)) {
                break;
            }
            if ($txOff >= $txLen && $stdoutDone && $stderrDone) {
                break;
            }
        }
        return proc_close($process);
    }