PHP uses the key name in the array as the variable name and the key value as the variable_PHP tutorial

This article will introduce you to how PHP uses the key names in the array as variable names and the key values ​​as variables. I hope this tutorial will be helpful to all students.

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;

http://www.bkjia.com/PHPjc/632671.htmlwww.bkjia.comtruehttp: //www.bkjia.com/PHPjc/632671.htmlTechArticleThis article introduces to students how to use the key name in the array as the variable name and the key value as the variable. I hope this tutorial It will be helpful to all classmates. The code is as follows. Copy the code ?php /* php put...