Notice: Undefined variable: db in /home/aircool/public_html/product.php on line 64
Fatal error: Uncaught Error: Call to a member function prepare() on null in /home/aircool/public_html/product.php:64
Stack trace:
#0 /home/aircool/public_html/index.php(48): include()
#1 {main}
thrown in /home/aircool/public_html/product.php on line 64
