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如何知道php多维数组的深度的方法 - 站长搜索
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如何知道php多维数组的深度的方法

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2014-12-16 09:48:14 转载来源: 网络整理/侵权必删

本文为大家讲解的是如何知道php多维数组的深度的方法(统计是几维数组),感兴趣的同学参考下. 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) ) ) 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

本文为大家讲解的是如何知道php多维数组深度方法(统计是几维数组),感兴趣的同学参考下.


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)
)
)


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);
?>


希望本文对广大php开发者有所帮助,感谢您阅读本文。


标签: 如何 知道 php 多维 数组 深度 方法


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