PHP mt_srand() Function
Definition and Usage
mt_srand() seeds the Mersenne Twister random number generator.
Syntax
mt_srand(Seed)
| Parameter | Description |
|---|---|
| Seed | Required. Use seed to seed the random number generator. |
Description
Starting from PHP 4.2.0 version,Seed Parameters become optional, and when this item is empty, it will be set to the current time.
Tips and Comments
Note:From PHP 4.2.0 onwards, it is no longer necessary to use srand() Or seed the random number generator with mt_srand() function, which is now automatically completed.
Example
In this example, we will seed the random number generator:
<?php mt_srand(mktime()); echo(mt_rand()); ?>
Output similar to:
1132656473
