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php 把数组中的键名作为变量名键值作为变量

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Release: 2016-06-13 09:51:46
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本文章给各位同学介绍php 把数组中的键名作为变量名键值作为变量,希望此教程对各位同学会有所帮助哦。

 代码如下 复制代码
/*
php 把数组中的键名所为变量名键值作为变量
*/
$arr=array('a'=>1,'b'=>2,'c'=>3,'d'=>5,'e'=>6);
//方法一,使用foreach循环实现
foreach($arr as $key=>$value){
 $$key=$value;
}
 
echo $a;
 
//方法二,其实php早就已经实现了这个功能extract
extract($arr);
echo $a;
source:php.cn
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