PHP – Converting elements to actual values

You didn’t include value in your checkboxes you have:

'<input type="checkbox" name="Num1[]" />' . $Thing1->Product1 . "<br />";

Should be:

'<input type="checkbox" name="Num1[]" value="' . $Thing1->Product1 . '" />' . $Thing1->Product1 . "<br />";

Hata!: SQLSTATE[HY000] [1045] Access denied for user 'divattrend_liink'@'localhost' (using password: YES)