Managing PHP Extensions
What this is
PHP extensions add extra capabilities to PHP — things like image processing (imagick), database connections (pgsql), email functions (imap), and more. You can enable or disable them per website.
How to manage extensions
- Go to Websites → click your website → Advanced → Developer Tools.
- In the PHP section, find the extension manager.
- Toggle extensions on or off as needed.
Commonly used extensions
| Extension |
What it's for |
| imagick |
Image manipulation (resizing, cropping, format conversion). |
| imap |
Email functions in PHP. |
| redis |
PHP integration with Redis caching. |
| pgsql / pdo_pgsql |
PostgreSQL database connections (enabled automatically when you create a PostgreSQL database). |
| curl |
Making HTTP requests from PHP. |
| zip |
Working with .zip archives in PHP. |
Good to know
- You can enable any extension that's been installed on the server — not just a predefined list.
- Built-in extensions are listed alongside optional ones so you can see everything that's available.
- Enabled extensions persist if your site is migrated to a different server.
- After changing extensions, you may need to restart PHP (Developer Tools → PHP → Restart PHP container).
Related articles
- Choosing your PHP version
- Editing PHP settings (php.ini)
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