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php函数参数摘引调用
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- 2016-06-13 10:55:551256browse
php函数参数引用调用
作者：zccst
一、参数的两种调用方式
1，传值调用
2，传址调用
function getFun(&$a){
$a++;
}
$a = 1;
getFun($a);
echo $a; //$a的值是2.
批注：getFun不用返回值，因为函数直接修改了$a的数值。
二、数组和对象循环区别
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