mt_srand
Sow a better random number generator seed
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English
mt_srand() seed Mersenne Twister Random Number Generator.
In this example, we will seed the random number generator:
<?php mt_srand ( mktime ( ) ) ; echo ( mt_rand ( ) ) ; ?>
Try it yourself
mt_srand ( seed )
| parameter | describe |
|---|---|
| seed | Required. Use seed to seed the random number generator. |
Starting from PHP version 4.2.0, the seed parameter becomes optional, and when this item is empty, it will be set to any time.
