Increase PHP memory limit

Sometimes when we have too many form fields or conditional rules, forms cannot be copied and/or sorting of conditional rules cannot be completed.

This can be seen in @app/runtime/logs/app.log as:

To fix this, we need to increase the PHP memory limit set in the php.ini file. To make changes to this file, use the cPanel MultiPHP INI Editor:

* Note that the memory limit value can be expressed in bytes (-1 for unlimited), kilobytes (128K), megabytes (256M), or gigabytes (2G).