Fatal error: Uncaught TypeError: mysqli_fetch_row(): Argument #1 ($result) must be of type mysqli_result, bool given in /data/d/0/d02cfc62-f021-4791-b02a-f3638fe79478/pozlave.sk/web/nastaveni/funkce.php:6
Stack trace:
#0 /data/d/0/d02cfc62-f021-4791-b02a-f3638fe79478/pozlave.sk/web/nastaveni/funkce.php(6): mysqli_fetch_row(true)
#1 /data/d/0/d02cfc62-f021-4791-b02a-f3638fe79478/pozlave.sk/web/blog_detail.php(31): sql(Object(mysqli), 'UPDATE blog SET...')
#2 {main}
thrown in /data/d/0/d02cfc62-f021-4791-b02a-f3638fe79478/pozlave.sk/web/nastaveni/funkce.php on line 6