note 85099 modified in function.rand by thiago
| From: | thiago@php.net | Date: | Thu, 14 Aug 2008 14:33:47 +0000 |
| Subject: | note 85099 modified in function.rand by thiago | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-143499@lists.php.net to get a copy of this message | ||
Heres another function to generate Random Unique numbers.
<?php
class UniqueRand{
var $alreadyExists = array();
function uRand($min = NULL, $max = NULL){
$break='false';
while($break=='false'){
$rand=mt_rand($min,$max);
if(array_search($rand,$this->alreadyExists)===false){
$this->alreadyExists[]=$rand;
$break='stop';
}else{
echo " $rand already! ";
print_r($this->alreadyExists);
}
}
return $rand;
}
}
$rand=new UniqueRand();
echo"<b> ". $rand->uRand(0,5)."</b>";
echo"<b> ". $rand->uRand(5,5)."</b>";
echo"<b> ". $rand->uRand(10,5)."</b>";
?>
--was--
Heres another function to generate Random Unique numbers.
<?
class UniqueRand{
var $alreadyExists = array();
function uRand($min = NULL, $max = NULL){
$break='false';
while($break=='false'){
$rand=mt_rand($min,$max);
if(array_search($rand,$this->alreadyExists)===false){
$this->alreadyExists[]=$rand;
$break='stop';
}else{
echo " $rand already! ";
print_r($this->alreadyExists);
}
}
return $rand;
}
}
$rand=new UniqueRand();
echo"<b> ". $rand->uRand(0,5)."</b>";
echo"<b> ". $rand->uRand(5,5)."</b>";
echo"<b> ". $rand->uRand(10,5)."</b>";
?>
http://php.net/manual/en/function.rand.php