phpThe code and usage of the tool class for realizing web page caching are very practical.
When PHP programs resist large traffic access, dynamic websites are often difficult to withstand, so a caching mechanism must be introduced. Generally, there are two types of caches.
1. File cache
2. Data query result caching, using memory to implement caching
This example mainly uses file caching.
The main principle is to use the cache function to store the web page display results. If called again within the specified time, the cache file can be loaded.
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