<?php //app class Stu { private $n = '小红'; public function __unset($n)//魔术方法 { unset($this->$n); } } $obj = new Stu(); unset($obj->n);//执行删除 var_dump($obj);
对象为空.
<?php //app class Stu { private $n = '小红'; public function __unset($n)//魔术方法 { unset($this->$n); } } $obj = new Stu(); unset($obj->n);//执行删除 var_dump($obj);
对象为空.