/**
* Set whether to use the queue system, and define how to use it.
*
* @param mixed $enable
* @param mixed $handler
*
* @return bool
*/
public static function queue($enable = null, $handler = null)
{
if ($enable === null && $handler === null) {
return self::$enableQueue;
}
if (is_callable($enable)) {
$handler = $enable;
$enable = true;
}
self::$enableQueue = (bool) $enable;
if (is_callable($handler)) {
self::$howToUseQueue = $handler;
}
return self::$enableQueue;
}
/**
* set how to use queue.
* @param $enable
* @param $handler
*
* @throws \Exception
*/
public static function queue($enable, $handler = null)
{
if (is_callable($enable)) {
$handler = $enable;
$enable = true;
}
self::$enableQueue = !!$enable;
if (is_callable($handler)) {
self::$howToUseQueue = $handler;
}
}
