The php.ini file is actually a local file that you can edit through your cpanel. Checkout this article for information on making changes to it:
Update PHP Settings
I did double-check and you do have a local PHP.INI file in your PUBLIC_HTML folder. You can find it by going into your Cpanel, selecting File Manager (show hidden files), and then right-click or select the file and select EDIT (or CODE EDIT) in the menu in order to edit the file. Simply search for the settings and you can change it immediately.
If you have any further questions, please contact technical support or leave a comment at the bottom of the page.
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