srand

Seed the random number generator

Note: There is no need to seed the random number generator with srand() as this is done automatically.

srand ([ int $seed ] ) : void

seed

An arbitrary integer seed value.

No value is returned.

<?

srand();

$randreturn = rand();

echo $randreturn;

?>

1309954122

<?

$seed = time();

srand($seed);

$randreturn = rand();

echo $randreturn;

?>

592005992

getrandmax

lcg_value

mt_getrandmax

mt_rand

mt_srand

rand

PHP