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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

PHP Selector

The PHP Selector is not included by default in cPanel and might be missing from your account if you are hosting with a different web host. All ChemiCloud customers should see the Select PHP Version section in their hosting account’s cPanel.

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 Client Area’s Dashboard.

Updated on January 14, 2021

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