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php什么时候该传值还是传引用
- WBOYOriginal
- 2016-06-23 13:41:011004browse
1:要改变原来的值
$a = 'www.myfreax.com';function change(&$a){ $a = 'huangyanxiong';}change($a);echo $a;
每创建一个变量就会划分一个内存空间
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