我有多个循环,例如:
$bets = $this->em->getRepository('AppBundle:Bet')->getBetsForMatch($match_id);
foreach ($bets as $key => $bet) {
$devices = $this->em->getRepository('AppBundle:Device')->findBy(array('user' => $bets->getUser()));
foreach ($devices as $key => $device) {
//HERE I SEND A PUSH NOTIFICATION
if($this->rms_push->send($message)){
$device->getUser()->setBadge($device->getUser()->getBadge() + 1);
$this->em->flush();
}
}
}
因此,我获得了一场比赛的所有投注,对于每次投注,我都会为用户保存所有设备,之后我需要使用以下内容更新我的用户:$device->getUser()->setBadge($device->getUser()->getBadge() + 1);
现在,我每次都会冲水,但我认为有更好的方法,想法?
你只需要一次冲洗,在你的循环之外:
foreach ($bets as $key => $bet) {
$devices = $this->em->getRepository('AppBundle:Device')->findBy(array('user' => $bets->getUser()));
foreach ($devices as $key => $device) {
//HERE I SEND A PUSH NOTIFICATION
if($this->rms_push->send($message)){
$device->getUser()->setBadge($device->getUser()->getBadge() + 1);
}
}
}
$this->em->flush();
Calling $this->_em->persist($obj)
涉及创建一个新条目。
如果您需要根据条目存在与否来创建或更新,请查看at EntityManager::merge http://doctrine-orm.readthedocs.org/projects/doctrine-orm/en/latest/reference/working-with-objects.html#merging-entities .
要保留大量条目的内存使用量,请查看批量处理 http://doctrine-orm.readthedocs.org/projects/doctrine-orm/en/latest/reference/batch-processing.html.
Note如果您的代码调用,SensioLabs Insight(PHP 源代码质量分析)会发出警告EntityManager::flush
在一个循环内。
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