If you would like to check out your servers php settings, then you would:
1 - Create a file named phpinfo.php
2 - In that file, enter the put in the following:
phpinfo();
?>
3 - Upload the phpinfo.php to your public_html folder, you can do it using the File Manager.
4 - View your phpinfo.php file at http://www.yourdomain.com/phpinfo.php or http://serveripaddress/~yourusername/phpinfo.php