管理长时间运行的php脚本的最佳方法?

I have a PHP script that takes a long time (5-30 minutes) to complete. Just in case it matters, the script is using curl to scrape data from another server. This is the reason it's taking so long; it has to wait for each page to load before processing it and moving to the next.I have a PHP script that takes a long time (5-3