think\console\input\Definition::hasOption PHP Method

    public function hasOption($name)
    {
        return isset($this->options[$name]);
    }

 /**
  * 是否有某个选项
  * @param string $name 选项名
  * @return bool
  */
 public function hasOption($name)
 {
     return $this->definition->hasOption($name);
 }