MT_SRAND

Seeds the Mersenne Twister Random Number Generator

Note: There is no need to seed the random number generator with mt_srand() as this is done automatically.

SYNTAX


            mt_srand ([ int $seed [, int $mode = MT_RAND_MT19937 ]] ) : void


            seed

An arbitrary integer seed value.


            mode

Use one of the following constants to specify the implementation of the algorithm to use.

CONSTANT	DESCRIPTION
MT_RAND_MT19937	Uses the fixed, correct, Mersenne Twister implementation, available as of PHP 7.1.0.
MT_RAND_PHP	Uses an incorrect Mersenne Twister implementation which was used as the default up till PHP 7.1.0. This mode is available for backward compatibility.

No value is returned.

1752264018

451017527

451017527