note 97974 deleted from function.mt-rand by visualmind
| From: | visualmind@php.net | Date: | Wed, 19 May 2010 09:16:37 +0000 |
| Subject: | note 97974 deleted from function.mt-rand by visualmind | ||
| References: | 1 | Groups: | php.notes |
| Request: | Send a blank email to php-notes+get-169395@lists.php.net to get a copy of this message | ||
Note Submitter: kexianbin at diyism dot com
----
function weight_rand($weights)
{$rnd=mt_rand(1, array_sum($weights));
$max=0;
foreach ($weights as $k=>$v)
{$max+=$v;
if (1<=$rnd && $rnd<=$max)
{return $k;
}
}
}
echo weight_rand(array('a'=>30, 'b'=>70));