Indicates that an incorrect Mersenne Twister implementation will be used by the algorithm, when creating a Random\Engine\Mt19937 instance using Random\Engine\Mt19937::__construct() or seeding the global Mersenne Twister with mt_srand(). The incorrect implementation is available for backwards compatibility with mt_srand() prior to PHP 7.1.0.
Warning
This feature has been DEPRECATED as of PHP 8.3.0. Relying on this feature is highly discouraged.