add "declare(strict_types=1);" to all pages
Add a json handler class to handle that json_decode always returns array<mixed> and throws error otherwise
On failure these will throw the normal JSON encoded error was FAILURE with code "J-" and the number is the json error
If 0 then the return was null or some other problem that did not return an array
amount is float and not string and checks are done that the returned value is a float
various updates for phpdoc array delcarations
- curl header is array<int, string>
- the log array is proper declared as array with string key and a list of mixed arrays
All gift card id checks are against string and not numeric.
Add missing checks for card status, card amount value, card amount
currency in any buy card checks.
Add epiration date regex check for buy card
Add request cancled card check.
