6-15 PHP中结构嵌套之循环嵌套

<?php $students = array( '2010'=>array('令狐冲',"59"), '2011'=>array('林平之',"44"), '2012'=>array('曲洋',"89"), '2013'=>array('任盈盈',"92"), '2014'=>array('向问天',"93"), '2015'=>array('任我行',"87"), '2016'=>array('冲虚',"58"), '2017'=>array('方正',"74"), '2018'=>array('岳不群',"91"), '2019'=>array('宁中则',"90"), );//10个学生的学号、姓名、分数，用数组存储 { //使用循环结构遍历数组,获取学号 echo $key; //输出学号 echo ":"; //循环输出姓名和分数 { echo $v; } echo "<br />"; } ?>