You can modify PHP post_max_size as per your needs using CloudLinux PHP Selector in cPanel.

Here's how to increase PHP's post_max_size value using CloudLinux's Selector in cPanel

1. Log into your cPanel interface "https://www.domainname.com:2083" or by going through your client area.

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

3. Click on the 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. Look for post_max_size and click on the drop-down option displayed in front of it. Then choose the appropriate limit as per your requirements.

Updated on: 14/02/2023