多维数组PHP所有钥匙内搜索 [英] searching within all keys in a multidimensional array PHP

问题描述

我要搜索一个多维数组中的所有键的特定字符串。我只是需要如果present，没有更多的锻炼。我想知道如果访问者的IP是内的任何阵列的present。

I want to search all keys within a multidimensional array for a specific string. I just need to work out if its present, nothing more. I want to know if an IP of a visitor is present within any of the arrays.

有一个PHP函数或方法我可以用它来做到这一点，每一个我试过始终返回false。 （in_array，array_search，array_filter）

Is there a php function or method I can use to do this, each one I've tried always returns false. (in_array, array_search, array_filter)

我希望避免通过每个键循环和设置的值。

I was hoping to avoid looping through each key and set of values.

的示例阵列的

Array
(
    [21] => Array
        (
            [click_id] => 21
            [ip_addr] => 109.148.183.1
            [dtime] => 2011-04-28 17:56:57
            [url_id] => 11
        )

    [22] => Array
        (
            [click_id] => 22
            [ip_addr] => 109.148.183.1
            [dtime] => 2011-04-28 17:57:05
            [url_id] => 12
        )

    [23] => Array
        (
            [click_id] => 23
            [ip_addr] => 109.148.183.1
            [dtime] => 2011-04-28 18:42:42
            [url_id] => 10
        )
)

感谢

推荐答案

永远不能避免循环： - ）

Can never avoid the loop :-)

function search($array, $searchString){
   foreach($array as $key=>$val){
        if(in_array($searchString, $val)) return true;
   }
   return false;
}

//use it like so:
if(search($array, '109.148.183.1')){/*do something*/}

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