判断是几维数组

function getArrayType($arr) {
    
    if (!is_array($arr)) return false;
    $maxNum = 1;
    foreach($arr as $value) {
    
        $result = getArrayType($value) + 1;
        if ($result > $maxNum) {
    
            $maxNum = $result;
        }
    }
    return $maxNum;
}

转载于:https://www.cnblogs.com/wzybnzy/p/7508902.html