Fatal error: Uncaught Error: Call to undefined function mysqli_connect() in /var/www/html/projects/arhiv/raptor/php/connection.php:4 Stack trace: #0 /var/www/html/projects/arhiv/raptor/index.php(2): require() #1 {main} thrown in /var/www/html/projects/arhiv/raptor/php/connection.php on line 4