php - PHP多次元配列検索

Question

これは配列です。ID「573」のキーを取得する方法

Array (
    [0] => Array ( 
        [0] => stdClass Object ( [id] => 577 [name] => BPO Manager  ) 
        [1] => stdClass Object ( [id] => 578 [name] => BPO User  ) 
        [2] => stdClass Object ( [id] => 575 [name] => user2 ) 
        [3] => stdClass Object ( [id] => 573 [name] => Site Admin  ) 
    ) 
);

Answer 1

これを試して

foreach ($arr as $key => $arr1) {
       foreach ($arr1 as $key1 => $obj) {
           if ($obj->id == '573') {
             return $obj->name;
           }
       }
    }