Fatal error: Uncaught mysqli_sql_exception: Table 'petchin.pet' doesn't exist in /petchin/www/game.php:22
Stack trace:
#0 /petchin/www/game.php(22): mysqli->query('SHOW COLUMNS FR...')
#1 /petchin/www/game.php(28): columnExists('pet', 'health')
#2 {main}
  thrown in /petchin/www/game.php on line 22