如何避免PHP中的动态属性(在设置未声明的属性时引发错误)
问题描述:
示例:
error_reporting(E_ALL | E_STRICT);
class Test {}
$obj = new Test();
$obj->undeclared = "oops"; // I want an error here !! :(
echo $obj->algo; // oops
我测试了PHP 5.2.11和5.3.0。
I tested it on PHP 5.2.11 and 5.3.0.
我不想在对象中使用动态属性。
可以强制PHP提高
I don't want dynamic properties in my objects.
Is possible to force PHP to raise an ERROR in that situation ?
答
使用 __ set()?
<?php
class Test {
public $bar;
public function __set($name, $value) {
throw new Exception('Cant set!');
}
}
$obj = new Test;
$obj->bar = 'foo';
$obj->foo = 'evil';
?>