Fatal error: Uncaught Error: Call to a member function query() on boolean in /home/gbaran2/ftp/praca/tagi/mysql.php:0 Stack trace: #0 /home/gbaran2/ftp/praca/tagi/wyswietlacz.php(0): mysql->__construct('SELECT id FROM ...') #1 {main} thrown in /home/gbaran2/ftp/praca/tagi/mysql.php on line 0