<?php
class A{
private $age=22;
function __get($proName){
return $this->proName;
}
}
$a=new A;
var_dump($a->age);
?>为何是null呢?
哪里不对?
class A{
private $age=22;
function __get($proName){
return $this->proName;
}
}
$a=new A;
var_dump($a->age);
?>为何是null呢?
哪里不对?
class A{
private $age=22;
function __get($proName){
return $this->$proName;
}
}
$a=new A;
var_dump($a->age);
//int(22)