“Warning: mysql_query(): supplied argument is not a valid MySQL-Link” - Why?

Question

What\'s wrong with my code? I keep getting this error: Warning: mysql_query(): supplied argument is not a valid MySQL-Link resource in functions.php on line 4 error readin

Answer 1

$db is not a local variable inside function gameTableCheck, you need to add a global $db; statement at the top of the function.