【ThinkPHP】诡谲的现象,$this->rowUser['ext'] = ''无法赋值!但是array_merge 却可以

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Release: 2016-06-13 11:59:48
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【ThinkPHP】诡异的现象,$this->rowUser['ext'] = '';无法赋值!但是array_merge 却可以!
遇到一个非常匪夷所思的事情,在thinkphp3.1.3里面。

<br /><?php<br /><br />/**<br /> * Class UserAction by <[email&#160;protected]><br /> */<br />class UserAction extends InitAction<br />{<br /><br />    public function index()<br />    {<br />        $where = array(<br />            'mid' => array('eq', $this->getUid())<br />        );<br />        $this->rowUser = M('Member')->where($where)->find();<br /><br />        //测试1<br />        $this->rowUser['ext'] = '名字4';<br />        dump($this->rowUser); //里面没有ext这个键!<br /><br />        //测试2 有<br />        $arr['ext'] = '名字4';<br />        $this->rowUser = array_merge($arr, $this->rowUser);<br />        dump($this->rowUser); //里面有ext这个了<br /><br />        //测试3 <br />        $this->rowUser2 = array(<br />            'a' => 'A',<br />            'b' => 'B',<br />        );<br />        $this->rowUser2['ext'] = '3333';<br />        dump($this->rowUser2); //里面也没有ext这个<br />        die;<br />    }<br />}<br />
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这个是怎么回事,很奇怪!


------解决方案--------------------
和访问该类的方法一样$this->方法名 时该类或者继承的类中必须有该方法。
------解决方案--------------------
如果你的 UserAction 或其父类中定义有 __set、__get 方法,出现这种情况是很正常的
因为他们可能不按常理出牌
------解决方案--------------------
同样碰到过这个问题
TP在控制器中赋值,其实走的__set方法,被赋值到视图类View的tVar变量中了
然后我发现__set魔术方法有个BUG,拦截不到直接对数组属性的某个元素赋值的操作:
$this->arr['a'] = 1; 这样在TP中是直接对$this->arr赋值,而我们读取其实都是从$this->view->tVar

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