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><H1
><A
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>srand</A
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>srand -- seed the random number generator</DIV
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><H2
>Description</H2
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><CODE
CLASS="FUNCDEF"
>void srand</CODE
>(int seed);<P
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><P
> Seeds the random number generator with
<TT
CLASS="parameter"
><I
>seed</I
></TT
>.
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> 1
2 // seed with microseconds since last "whole" second
3 srand((double)microtime()*1000000);
4 $randval = rand();
5 </PRE
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> See also <A
HREF="function.rand.html"
><B
CLASS="function"
>rand()</B
></A
>,
<A
HREF="function.getrandmax.html"
><B
CLASS="function"
>getrandmax()</B
></A
>,
<A
HREF="function.mt-rand.html"
><B
CLASS="function"
>mt_rand()</B
></A
>,
<A
HREF="function.mt-srand.html"
><B
CLASS="function"
>mt_srand()</B
></A
> and
<A
HREF="function.mt-getrandmax.html"
><B
CLASS="function"
>mt_getrandmax()</B
></A
>.</P
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