Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /class/mysql_connection_class.php:12
Stack trace:
#0 /naglowek.php(6): Mysql_connection->__construct()
#1 /index.php(3): require_once('/naglowek.php')
#2 {main}
thrown in /class/mysql_connection_class.php on line 12