本文实例讲述了php获取数组中键值最大数组项的索引值的方法。分享给大家供大家参考。具体分析如下:
一、问题:
从给定数组中获取值最大的数组项的键值。用途如:获取班级得分最高的学生的姓名。
二、解决方法:
9,'jack'=>3,'kim'=>5,'hack'=>4); asort($arr); //print_r($arr); //输出:Array ( [jack] => 3 [hack] => 4 [kim] => 5 [tom] => 9 ) $rel=array(); foreach($arr as $k=>$v){ $rel[]=$k; } //echo $rel[0];//输出最小值:jack echo end($rel);//输出最大值:tom ?>
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