Yes, you can use both php_flag and php_value lines in your .htaccess file.
To turn on display_errors use -
php_flag display_errors on
Web Hosting Plans
All rights reserved | Prices exclude VAT @ 20% unless specifically stated.Copyright © 2008 - 2020 Umbrella Interactive Ltd | Umbrella Host is a trading name of Umbrella Interactive Ltd.Company No. 7160269 | VAT No. 126932508 | Data Protection Act 1998 Reg No. Z366021X | Terms & Conditions
We accept the following cards: