/**
* 创建一个Process实例
* @return Process
*/
public function getProcess()
{
if (0 === count($this->prefix) && 0 === count($this->arguments)) {
throw new \LogicException('You must add() command arguments before calling getProcess().');
}
$options = $this->options;
$arguments = array_merge($this->prefix, $this->arguments);
$script = implode(' ', array_map([__NAMESPACE__ . '\\Utils', 'escapeArgument'], $arguments));
if ($this->inheritEnv) {
// include $_ENV for BC purposes
$env = array_replace($_ENV, $_SERVER, $this->env);
} else {
$env = $this->env;
}
$process = new Process($script, $this->cwd, $env, $this->input, $this->timeout, $options);
if ($this->outputDisabled) {
$process->disableOutput();
}
return $process;
}