Warning: Undefined variable $dbc in /home/cwmeyers/public_html/week7/testselect.php on line 4

Fatal error: Uncaught TypeError: mysqli_query(): Argument #1 ($mysql) must be of type mysqli, null given in /home/cwmeyers/public_html/week7/testselect.php:4 Stack trace: #0 /home/cwmeyers/public_html/week7/testselect.php(4): mysqli_query(NULL, 'SELECT * FROM u...') #1 {main} thrown in /home/cwmeyers/public_html/week7/testselect.php on line 4