note 86281 modified in function.rand by danbrown
| From: | danbrown@php.net | Date: | Fri, 10 Oct 2008 19:13:52 +0000 |
| Subject: | note 86281 modified in function.rand by danbrown | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-145251@lists.php.net to get a copy of this message | ||
A function to generate numbers of any length which contain no identical digits side-by-side. i.e.
112233
<?php
function randomNumber($number_of_digits=null){
for($x=0;$x<$number_of_digits;$x++){
while(substr($num,strlen($num)-1,strlen($num)) == $r) $r = rand(0,9);
$new_number .= $r;
}
return $new_number;
}
?>
echo randomNumber(9);
// Output: 875438104
--was--
A function to generate numbers of any length which contain no identical digits side-by-side. i.e.
112233
function randomNumber($number_of_digits=null){
for($x=0;$x<$number_of_digits;$x++){
while(substr($num,strlen($num)-1,strlen($num)) == $r) $r = rand(0,9);
$new_number .= $r;
}
return $new_number;
}
echo randomNumber(9);
// Output: 875438104
http://php.net/manual/en/function.rand.php