#### My function:
if (!function_exists('find_bot')) {
  function find_bot($botname,$array) {
    $result = false;
	foreach ($array as $key => $value) { 
	  if(!isset($result) && $value['botname'] == $botname) {
		$result = $key;
	  }
	} 
	if(!isset($result)) {
	  return false;
	} else {
	  return $result;
	}
  }
  $functions['core'][] = 'find_bot';
}


#### my call
$name = find_bot($target2[0],$service);

## values : $target2[0] = CtrlServ

## service array:
Array
(
    [ctrl] => Array
        (
            [botname] => CtrlServ
            [commands] => Array
                (
                )

            [restrict] => o
        )

    [proxy] => Array
        (
            [botname] => ProxyServ
            [commands] => Array
                (
                )

            [restrict] =>
        )

)