php 中有某种可用的线程吗？
我有一个 php 脚本，它从 mysql 数据库查询客户端列表，然后访问每个客户端的 IP 地址并获取一些信息，然后将其显示在网页上。
但是，如果客户数量太多，则需要很长时间。无论如何，我可以并行发送这些 url 请求 (file_get_contents) 吗？
I have a php script which queries a list of clients from a mysql database, and goes to each client's IP address and picks up some information which is then displayed on the webpage.
But, it takes a long time, if the number of clients is too high. Is there anyway, I can send those url requests (file_get_contents) in parallel?
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我会使用类似 Gearman 的东西将它们分配为队列中的作业，以便工作人员来完成，如果这需要扩大规模。
作为另一个选择，我还为 编写了一个 PHP 包装器 ="http://unixhelp.ed.ac.uk/CGI/man-cgi?at" rel="nofollow">Unix at queue，这可能适合这个问题。它允许您安排请求，以便它们可以并行运行。我过去曾成功地使用此方法来处理批量电子邮件的发送，这与您的脚本存在类似的阻塞问题。
I would use something like Gearman to assign them as jobs in a queue for workers to come along and complete if this needs to scale.
As another option I have also written a PHP wrapper for the Unix at queue, which might be a fit for this problem. It would allow you to schedule the requests so that they can run in parallel. I have used this method successfully in the past to handle the sending of bulk email, which has similar blocking problems to your script.
Lineke Kerckhoffs-Willems 写了一篇关于 的好文章PHP 中使用 CURL 的多线程。您可以使用它代替
file_get_contents()来获取所需的信息。Lineke Kerckhoffs-Willems wrote a good article about Multithreading in PHP with CURL. You can use that instead of
file_get_contents()to get needed information.