srand
Sow the random number generator seeds
English
English
srand() function sows the random number generator seed.
In this example, we will seed the random number generator:
<?php srand ( mktime ( ) ) ; echo ( rand ( ) ) ; ?>
Try it yourself
srand ( seed )
| parameter | describe |
|---|---|
| seed | Optional. Use seed to sow the random number generator seeds. |
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.
