Math function Library: Mt_srand

Source: Internet
Author: User
Keywords mt_srand php Chinese function Handbook math function library
Tags aliyun example function function library html http php php chinese function handbook

Mt_srand

(PHP3 >= 3.0.6, PHP4)

Mt_srand---&http://www.aliyun.com/zixun/aggregation/37954.html ">nbsp; Set the number of random seeds

Syntax: void mt_srand (int seed);

Description:

Set the number of random seeds seed.

Example:

<?php

Seed with microseconds since last "whole" second

Mt_srand (Double) microtime () *1000000);

$randval = Mt_rand ();

?>

Reference: Mt_rand () Mt_getrandmax () Srand () rand () Getrandmax ()

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