搜索数组中的最高键/索引 [英] Search for highest key/index in an array

问题描述

如何在带有 最高 key/index="显示标记为 'php' 的问题" rel="tag">php?我知道如何为价值观做到这一点.

How can I get the highest key/index in an array with php? I know how to do it for the values.

例如:从这个数组中我想得到 10 作为 integer 值:

E.g.: from this array I would like to get 10 as an integer value:

$arr = array(1 => "A", 10 => "B", 5 => "C");

我知道如何编写代码，但我问自己是否也有此功能.

I know how I could code it but I was asking myself if there is a function for this as well.

推荐答案

这应该没问题

$arr = array( 1 => "A", 10 => "B", 5 => "C" );
max(array_keys($arr));

这篇关于搜索数组中的最高键/索引的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！