How do I cache in PHP?

How does PHP store data in cache?

The easiest is to serialize() the data and store it in your database. When you need to retrieve the database, query it from the database, unserialize() it, and use it as before. As second approach is to add memcache to your PHP installation and access your data via the memcache functions.

How do I clear cached data in PHP?

PHP – Function clearstatcache()

The clearstatcache() function will clear file status cache. PHP caches data for some functions for better performance. If a file has checked several times in a script, we may want to avoid caching to get the correct results, then use the clearstatcache() function.

Do PHP files get cached?

I came to the conclusion that, by default, php files are never EVER pulled from cache, even in mobile browsers, even if in the response there is no Cache-Control nor Expires parameter, even if i don’t send POST requests and i just follow a link to the page. They are always redownloaded.

What is cache in PHP with example?

A cache is a collection of duplicate data, where the original data is expensive to fetch or compute (usually in terms of access time) relative to the cache. In PHP, caching is used to minimize page generation time. … Every PHP file must be parsed and that takes time. This type of time minimization is ‘parser caching’.

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Is cache a memory?

Cache memory is a type of fast, relatively small memory that is stored on computer hardware. Commonly shortened to cache, it is classed as random access memory which computer microprocessors can access more quickly than regular RAM.

When should I clear my browser cache?

It is a good idea to clear your browser cache because it: prevents you from using old forms. protects your personal information.

When you visit a website, your browser stores:

  1. information (such as the location of the site you visited)
  2. files used to run an online application.
  3. downloads (such as old versions of forms)

How do I clean my cache?


  1. On your Android phone or tablet, open the Chrome app .
  2. At the top right, tap More .
  3. Tap History Clear browsing data.
  4. At the top, choose a time range. To delete everything, select All time.
  5. Next to “Cookies and site data” and “Cached images and files,” check the boxes.
  6. Tap Clear data.

How do I set cache control without store?

To use cache-control in HTML, you use the meta tag, e.g. The value in the content field is defined as one of the four values below. HTTP 1.1. Allowed values = PUBLIC | PRIVATE | NO-CACHE | NO-STORE.

How Redis cache is implemented in PHP?

How to Use Redis Cache With Custom PHP Sites on Cloudways

  1. Step 1: Choose a Server.
  2. Step 2: Click Launch Now to deploy the optimized PHP application.
  3. Step 03: Turning On Redis On Cloudways Platform.
  4. Step 4: Installing PHP Redis Client Library.
  5. Step 5: Using Predis To Connect Custom PHP With Redis.
  6. Step 6: Running It:
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