Home >php教程 >php手册 >php交换两个变量的值

php交换两个变量的值

WBOY
WBOYOriginal
2016-06-06 20:14:113106browse

字符串$b = $a.$b;$a = substr($b,strlen($a));$b = sbustr($b,0,strlen($a));数值类型$b = $a+$b;$a = $b-$a;$b = $b-$a;任意类型list($b,$a)=array($a,$b);任意类型$a^=$b^=$a^=$b 原文地址:php交换两个变量的值, 感谢原作者分享。

字符串
$b = $a.$b;
$a = substr($b,strlen($a));
$b = sbustr($b,0,strlen($a));

数值类型
$b = $a+$b;
$a = $b-$a;
$b = $b-$a;

任意类型
list($b,$a)=array($a,$b);

任意类型
$a^=$b^=$a^=$b
Statement:
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn