You can use CloudLinux Selector to enable or disable the allow_url_fopen directive in cPanel.

1. Log in to your cPanel account.

2. In the Software section, click on Select PHP Version.

cp cl select php version icon

3. Click on the Options menu.

cl options menu

Note: If the Options page shows an error related to the native PHP version, change it to a non-native version first.

4. For enabling allow_url_fopen, checkmark it. For disabling it, uncheck it.

cl fopen enable disable