Fatal error: Uncaught Error: Call to undefined function mysql_connect() in /inc/connection.php:11 Stack trace: #0 /inc/funkcje.php(105): connection() #1 /inc/funkcje.php(1282): sql('select wartosc ...') #2 /index.php(100): wartosc_kategorie_parametry(1, 1, 1) #3 {main} thrown in /inc/connection.php on line 11