Home > php教程 > php手册 > body text

该怎样迅速确定php多维数组的深度?

WBOY
Release: 2016-06-21 08:48:37
Original
844 people have browsed it

例如有一个多维数组:


array(
        array(
            array(1,3,4),
            array(
                array(
                    1,2,3
                )
            )
        ),
        array(
            array(1,2),
            array(1)
        )
    )
Copy after login


这个数组的深度就是5,那么如何快速的确定一个数组深度。


(PS:T不错的PHP Q扣峮:276167802,验证:csl)


其实,只是上面的答案应该再进行排序就可以了。下面清源分享一个简单的计算深度函数:


<?php
function array_depth($array) {
        $max_depth = 1;


        foreach ($array as $value) {
            if (is_array($value)) {
                $depth = array_depth($value) + 1;
  

                if ($depth > $max_depth) {
                    $max_depth = $depth;
                }
            }
        }        
        return $max_depth;
 }

$array = array( array("11"), array(),array( array(array("5", "6"), "7", "8")),array( array(array("5", "6"), "7", "8")), "9", "10");
echo array_depth($array);
?>
Copy after login

希望本文对广大php开发者有所帮助,感谢您阅读本文。



Related labels:
source:php.cn
Statement of this Website
The content of this article is voluntarily contributed by netizens, and the copyright belongs to the original author. This site does not assume corresponding legal responsibility. If you find any content suspected of plagiarism or infringement, please contact admin@php.cn
Popular Recommendations
Popular Tutorials
More>
Latest Downloads
More>
Web Effects
Website Source Code
Website Materials
Front End Template