How to use header () to disable caching in php

This article mainly explains "how to use header () to prohibit caching in php". The content in the article is simple and clear, and it is easy to learn and understand. Please follow the editor's train of thought to study and learn "how to use header () to prohibit caching in php".

1. Use header () to set the expiration time.

2. Use header () to set the last update date of the page to the same day, which can force the browser to get the latest information.

3. Use header () to tell the client browser not to use caching.

Example

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