Understand the default PHP configuration
The PHP configuration file allows you to configure the modules enabled, the email settings or the size of the upload files. It is located at installdir/php/etc/php.ini.
For example, to modify the default upload limit for PHP, update the PHP configuration file following these instructions.
After modifying the PHP configuration file, restart the servers for the changes to take effect:
$ sudo installdir/ctlscript.sh restart