MT_RAND_MT19937

ConstantConstant declaration moved in 8.2

MT_RAND_MT19937 is one of the accepted parameters for:

MT_RAND_MT19937 — Indicates that the correct Mt19937 (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.

PHP 5
PHP 7.0
PHP 7.1
Added
PHP 7.2-7.4
PHP 8.0-8.1
PHP 8.2
Changed
PHP 8.3
PHP 8.4
PHP 8.5
PHP 8.6
MT_RAND_MT19937 = 0;

Changes to the MT_RAND_MT19937 Constant

PHP 8.2

  • Constant moved from standard extension to random extension

PHP 7.1

  • Constant added

MT_RAND_MT19937 Constant Availability

PHP VersionAvailability
PHP 8.6Upcoming Release Yes
PHP 8.5Supported (Latest) Yes
PHP 8.4Supported Yes
PHP 8.3Security-Fixes Only Yes
PHP 8.2Security-Fixes Only Yes
PHP 8.1Unsupported Yes
PHP 8.0Unsupported Yes
PHP 7.4Unsupported Yes
PHP 7.3Unsupported Yes
PHP 7.2Unsupported Yes
PHP 7.1Unsupported Yes
PHP 7.0Unsupported No
PHP 5.6Unsupported No
PHP 5.5Unsupported No
PHP 5.4Unsupported No
PHP 5.3Unsupported No