$system->register()

Validates the license key and adds it to the .license file in the config folder if possible.

$system->register(string|null $license = null, string|null $email = null): bool

Parameters

Name	Type	Default
$license	`string`or`null`	`null`
$email	`string`or`null`	`null`

bool

This method modifies the existing $system object it is applied to and returns it again.

Type	Description
`Kirby\Exception\Exception`
`Kirby\Exception\InvalidArgumentException`