摘要: 1. $a = "hello"; $b = &$a; unset($b); $b = "world"; what is $a? 2. $a = 1; $x = &$a; $b = $a++; what is $b? 阅读全文
posted @ 2013-04-26 17:23 小 伍 阅读(215) 评论(3) 推荐(0) 编辑