foreach 问题
foreach($arr as &$value){} 这样给他引号符 谁能详细给我说说过程 我只知道是给地址 但是不了解
回复内容:
foreach($arr as &$value){} 这样给他引号符 谁能详细给我说说过程 我只知道是给地址 但是不了解
当我们使用foreach时,内部究竟发生了什么(PHP5)?
今天刚写的一篇文章,对你彻底理解foreach应该有些帮助。
你自己知道 但是表达不出来 是循环完一遍就把copy赋值给真的 还是说 循环完了整个数组 才赋值 还有 这样赋值体现的那个例子也不清楚

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