PHP 반영의 원리

class person{
    public $name;
    public $age;
 
    public function say()
    {
        echo $this->name."<br>".$this->age;
    }
 
    public function set($name,$value)
    {
        echo &#39;set name to value&#39;;
        $this->$name = $value;
    }
 
    public function get($name)
    {
        if(!isset($this->$name)){
            echo &#39;unset name&#39;;
            $this->$name = &#39;seting~~~&#39;;
        }
 
        return $this->$name;
    }
}
 
$stu = new person();
$stu->name = &#39;luyaran&#39;;
$stu->age = 26;
$stu->sex = &#39;girl&#39;;

//获取对象的属性列表
$reflect = new ReflectionObject($stu);
$props = $reflect->getProperties();
foreach ($props as $key_p => $value_p) {
    var_dump($value_p->getName());
}
//获取对象的方法列表
$method = $reflect->getMethods();
foreach ($method as $key_m => $value_m) {
    var_dump($value_m->getName());
}