通过延迟将循环过程分成几个部分，需要建议
我想将一个流程（循环）分解为几个部分，例如，如果有 128 封电子邮件要发送：
function subs_emails(){
$subscribers = //find subscribers
if(!empty($subscribers )){
foreach($subscribers as $i => $subscriber){
sendEmail($subscriber->id);
if($i % 15 == 0){ //<-- send email per 15
sleep(60); //to pause the process for 60 seconds
}
}
return true;
}else{
return false;
}
}
这可行吗？或者还有其他“更好的方法”解决方案吗？需要建议，
谢谢
i wanted to break down a process (loop) into some parts, for example if have 128 emails to send :
function subs_emails(){
$subscribers = //find subscribers
if(!empty($subscribers )){
foreach($subscribers as $i => $subscriber){
sendEmail($subscriber->id);
if($i % 15 == 0){ //<-- send email per 15
sleep(60); //to pause the process for 60 seconds
}
}
return true;
}else{
return false;
}
}
will this works ?? or is there any other "better approach" solution ?? need advice please
thanks
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通常的方法是一次只发送几封电子邮件，并在后台标记已发送的电子邮件（例如通过数据库标志 send=1）
然后通过 cronjob 每隔几分钟调用一次脚本
这样您就不会遇到 php 问题向大量订阅者发送电子邮件时超时
The usual approach would be to send only a few emails at once and mark the sent ones on the background(via database flag sent=1 for example)
Then call the script every few minutes via a cronjob
This way you dont run into problems with php timeouts when sending emails to a lot of subscribers
sleep() 将导致脚本停止定义的秒数（在您的示例中为 60 秒）。它不会真正打破循环，而只是延迟循环。
一种可能的解决方案是记下已向哪个订阅者发送电子邮件。然后，您可以通过 cron 定期执行脚本，并且仅加载少量尚未收到电子邮件的脚本。例如：
sleep() will cause the script to stall for the defined number of seconds (60 in your example). It won't really be breaking the loop but instead merely delaying it.
A possible solution is to make a note of which subscriber has already been sent an email. Then you can have your script execute at regular intervals via cron and only load a small amount of those who have not yet been sent an email. For example: