Seeds the random number generator with seed or with a random value if seed is 0.
There is no need to seed the random number generator with srand or mt_srand as this is done automatically.
As of PHP 7.1.0, srand has been made an alias of mt_srand.
An arbitrary int seed value.
No value is returned.
|7.1.0||srand has been made an alias of mt_srand.|