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How to increase the post_max_size limit in cPanel

There are certain scenarios when you may be asked to make changes to your PHP configuration. Specifically, you may be directed to edit a file on your server called php.ini, and to increase the post_max_size limit.

post_max_size is a setting managed through the PHP Options which sets the maximum size of POST data that PHP will accept. This value should be at least as big as upload_max_filesize.

While do not allow direct changes to PHP.ini on our servers. However, PHP configuration changes can be made from cPanel by following these steps:

1) Log into cPanel.

2) Look for the SOFTWARE section and click on Select PHP version

cPanel > Software > Select PHP Version
cPanel > Software > Select PHP Version

3) In the new window click on the Switch To PHP Options button.

cPanel PHP Options
Select PHP Version > Switch to PHP Options

4) Here you can locate the post_max_size and click on the value.

A dropdown menu or text input box will appear, allowing you to change the value as required. Check your script, plugin, or theme’s documentation (or an on-screen error message) to find the correct value.

5) Once you’ll do the change, the new value will be automatically updated. If the change was successful, you will see a green box with a message which will confirm that the change has been applied.

That’s all! Now you know how to increase the post_max_size in cPanel.

For further questions, or if you need help, please open a support ticket from your Lab’s Dashboard.

Updated on July 16, 2019

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