PHP -array_rfind()

function array_rfind($find, $arr) {
    $found = array();
    foreach($arr as $key => $val) {
        if($key == $find)
            $found[] = $val;
        elseif(is_array($val))
            $found = array_merge($found, array_rfind($find, $val));
    }
    return $found;
}

$array = array(
  12 => 'japp 1',
  323 => 'asdfsd',
  132 => array(
      33 => 'asdfsdf',
      12 => 'japp 2',
      'sdf' => array(
          444 => 'sdd',
          12 => 'japp 3',
          array(
              array(12 => 'japp deep')
          )
      )
  ),
    array(12 => 'japp 4'),
    array(12 => 'japp 5'),
    array(12 => 'japp 6')
);

var_dump( array_rfind(12, $array) );

/* dump returns:
array(7) {
  [0]=>
  string(6) "japp 1"
  [1]=>
  string(6) "japp 2"
  [2]=>
  string(6) "japp 3"
  [3]=>
  string(9) "japp deep"
  [4]=>
  string(6) "japp 4"
  [5]=>
  string(6) "japp 5"
  [6]=>
  string(6) "japp 6"
}
*/