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PHP传参之传值与传址的区别，php传参_PHP教程
- WBOYOriginal
- 2016-07-13 09:56:191041browse
PHP传参之传值与传址的区别，php传参
废话不多说，先来看段代码
function test(&val){
return $val;
}
其中为什么用到&进行传参呢，有什么好处？
传址是允许在函数内部进行改变的意思，比如：
$test = "hello";
function myFun(&$val){
$val = "hello world";
return $val;
}
echo myFun(&$test); //hello world
echo $test; //hello world
以上所述就是本文的全部内容了，希望大家能够喜欢。
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