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Homephp教程php手册如何判断php数组的维度

本篇文章是对判断php数组维度的代码进行了详细的分析介绍, 需要的朋友参考下

如下所示:

复制代码 代码如下:


/**
* 返回数组的维度
* @param [type] $arr [description]
* @return [type] [description]
*/
function arrayLevel($arr){
$al = array(0);
function aL($arr,&$al,$level=0){
if(is_array($arr)){
$level++;
$al[] = $level;
foreach($arr as $v){
aL($v,$al,$level);
}
}
}
aL($arr,$al);
return max($al);
}

$arr = array(
'0'=>'0',
);

echo arrayLevel($arr);
?>

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