Custom Error: [2] Undefined array key "HTTP_REFERER"
Error on line 20 in /var/www/html/publish/sub/contest_view.php
Fatal error: Uncaught ArgumentCountError: extract() expects at least 1 argument, 0 given in /var/www/html/publish/sub/contest_view.php:28
Stack trace:
#0 /var/www/html/publish/sub/contest_view.php(28): extract()
#1 {main}
thrown in /var/www/html/publish/sub/contest_view.php on line 28
