src/includes/classes/Core/Utils/Keygen.php
public function license(): string
    {
        $key        = mb_strtoupper($this->c::uuidV4());
        return $key = implode('-', str_split($key, 8));
    }
public function license(): string
    {
        $key        = mb_strtoupper($this->c::uuidV4());
        return $key = implode('-', str_split($key, 8));
    }
License key.

@since 170824.30708 Key generator.

@return string UUID w/ 4 dashed parts (35 uppercase bytes).

@example `CAF0F02F-DFC248C7-B4EF607C-F85C154A`