> ## Documentation Index
> Fetch the complete documentation index at: https://kb.hosting.com/llms.txt
> Use this file to discover all available pages before exploring further.

# Disabling OPcache on Turbo servers

> Learn how to disable OPcache on Turbo servers via cPanel for testing or debugging purposes - just a few clicks in PHP settings.

This article describes how to disable [OPcache](https://www.php.net/manual/en/book.opcache.php) for PHP on the following hosting packages:

* Turbo Velocity and Turbo Nitro Web Hosting accounts.
* Turbo Managed VPS.
* Turbo Managed Dedicated server.

## Disabling OPcache

OPcache stores compiled PHP code in memory, which helps accelerate performance. By default, OPcache is enabled on Turbo accounts. However, you can disable it if necessary (for example, for testing or debugging purposes).

To disable OPcache, follow these steps:

1. Log in to cPanel.
   > 📘 Note
   >
   > If you do not know how to log in to your cPanel account, please see [this article](/docs/accessing-cpanel).
2. In the **Software and Services** section of the cPanel home screen, click **Select PHP Version**.
3. In the list of PHP extensions, clear the **opcache** check box.
4. Click **Save**. OPcache is now disabled.
   > 📘 Note
   >
   > To re-enable OPcache, select the **opcache** check box, and then click **Save** .

## More information

For more information about OPcache, please visit [https://www.php.net/manual/en/book.opcache.php](https://www.php.net/manual/en/book.opcache.php).

## Related articles