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What is caching in CodeIgniter and how do you implement it?

What is caching in CodeIgniter and how do you implement it?

Caching in CodeIgniter is a technique that enhances the performance of your web application by temporarily storing views or database query results. This helps reduce the load on your server and speeds up response times for users.

Here’s how it works:

  1. Improved Performance: By storing a generated view or query result in cache, CodeIgniter can serve this cached content directly on subsequent requests, bypassing the need to reprocess the same data.

  2. Enabling View Caching: You can easily enable view caching in your application by using the following line of code within a controller method:

Example

<?php
$this->output->cache($minutes);
?>

  1. Replace $minutes with the desired cache duration in minutes. For example, if you set it to 10, the generated view will be cached for 10 minutes.

  2. Automatic Expiration: After the specified time has passed, the cached content will automatically expire, ensuring that users receive fresh data during their next request.

  3. Use Cases: Caching is particularly beneficial for pages that do not change frequently, such as product listings, articles, or any static content.

By leveraging caching in CodeIgniter, you can significantly enhance the user experience by providing faster loading times and reducing server resource consumption.

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