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判断php数组是否为索引数组的实现方法_PHP

WBOY
Release: 2016-06-01 12:06:22
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HP没有内置判断是否索引数组的方法,简单实现了一个,用法:
复制代码 代码如下:
echo is_assoc($array)?'索引数组':'不是索引数组';

is_assoc函数如下:
复制代码 代码如下:
    function is_assoc($array) {
        if(is_array($array)) {
            $keys = array_keys($array);
            return $keys != array_keys($keys);
        }
        return false;
    }

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