PHP搜索多维关联数组

I am trying to search a multi-dimensional associative array and change a value after searching. Here is what my array looks like

 $arr=Array ( [0] => Array ( [1] => 
    Array ( [keyword] => 2014 
            [count] => 97 
            [percent] => 4.91 )))

So what I am trying to do is to search for keyword and if found then increase the count on that particular index where keyword was found.

So I am trying to do something like:

if(in_array("2014", $arr))
{
//then add 100 to count that is 100+97

}

So what will be the best way to go about this.

Note: I am trying to search a value in the array and if found then update the value of count key on that particular index. The last part is as important as first.

Ahmar

you can use that code:

$arr = Array(
    0 => Array(
        1 => Array(
            'keyword' => 2014,
            'count' => 97,
            'percent' => 4.91
        )
    )
);

foreach ($arr as &$arr1) {

    foreach ($arr1 as &$arr2) {

        if (2014 == $arr2['keyword']) {
            $arr2['count'] += 100;
        }

    }
}

unset($arr2, $arr1);

Result:

array(1) {
  [0]=>
  array(1) {
    [1]=>
    array(3) {
      ["keyword"]=>
      int(2014)
      ["count"]=>
      int(197)
      ["percent"]=>
      float(4.91)
    }
  }
}

iterate through the dimensions of the array and change value if you found the key

foreach ($arr as $key => $val) {
    foreach ($arr[$key] as $keyy => $val) {
        foreach ($arr[$key][$keyy] as $keyyy => $val) {
            if($arr[$key][$keyy]['keyword'] == 2014){
                $arr[$key][$keyy]['count'] = $arr[$key][$keyy]['count']+100;
                break;
            }
        }          
    }       
}

hope it helps ;D

Your array

$arr=array( "0" => array( "1" => 
    array( "keyword" => 2014 ,
            "count" => 97, 
            "percent" => 4.91 ),
  "2"=> array( "keyword" => 2015,
            "count" => 5, 
            "percent" => 4.91 )));

Code

foreach($arr as $key => &$val) {

    foreach($val as $mm => &$aa) {

        if("2014" == $aa['keyword']) {

            $aa["count"] =  $aa["count"]+ 100;
        }
    }
}

print_r($arr);

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