Jiayx - 使用异或（^）交换两个整数变量的值 的评论
type: channel
link: https://blog.jiayx.net/archives/255.html
description: 先上代码$a = 123;$b = 45;$a = $a ^ $b;$b = $a ^ $b;$a = $a ^ $b;echo $a, ' ', $b, PHP_EOL;...