php7中构造函数和析构函数的用法

初始化对象时候，给传值进去

class Person{

public $name;
public $age;

public function __construct($n,$b){

 $this->name=$n;

 $this->age=$b;

}

public function say(){

echo $this->age;

}

public function __destruct(){

echo '96net.com.cn';

}

}

$xm=new Person('11','22');
$xm->say();