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This is good only when you need to assign a random no. for and encryption or assign users on your site random no.s for something like registration for a page that lasts for a short period of time. you can get any no. of digits using this script. Simply call randomdigit( no. of digits required) and you dont get any leading zeros
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<?php
function randomdigit($digits) {
static $startseed = 0;
if (!$startseed) {
$startseed = (double)microtime()*getrandmax();
srand($startseed);
}
$range = 8;
$start = 1;
$i = 1;
while ($i<$digits) {
$range = $range . 9;
$start = $start . 0;
$i++;
}
return (rand()%$range+$start);
}
?> | |
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