How does php Cache data to memcache based on url parameters?

How does php Cache data to memcache based on url parameters?

 RATEMAX) {} else {memcache_increment ($ link, $ key) ;}?>

It changes every refresh before there is no cache.
After caching
Demo address http://niaochen006.sinaapp.com/zq.php
Cache time changed once in 20 seconds

What I want to achieve is
Http://niaochen006.sinaapp.com/zq.php? = AABB
Http://niaochen006.sinaapp.com/zq.php? = BBCC
Http://niaochen006.sinaapp.com/zq.php? = *****

Different URL parameters cache different pages
How to implement it?

Reply to discussion (solution)

Modify $ key
Your current
$ Key = 'rate'. $ minute_now;
Is associated with the time

It is related to $ url.

Upstairs is right
Xuzuning is already 5 stars.

Yes. Recently, I have been paying attention to caching !!!

I also want to mark the cache I recently learned.