Warning: Undefined variable $conn in /home/a0150494/public_html/products.php on line 5

Fatal error: Uncaught Error: Call to a member function real_escape_string() on null in /home/a0150494/public_html/products.php:5
Stack trace:
#0 {main}
  thrown in /home/a0150494/public_html/products.php on line 5