use error_reporting /home/forolplb/domains/forol.pl/public_html/index.php
Fatal error: Uncaught Error: Call to undefined function d() in /home/forolplb/domains/forol.pl/public_html/index.php:32
Stack trace:
#0 {main}
thrown in /home/forolplb/domains/forol.pl/public_html/index.php on line 32