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2.2 too

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git-svn-id: file:///home/shish/svn/shimmie2/branches/branch_2.2@900 7f39781d-f577-437e-ae19-be835c7a54ca
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shish 2008-06-14 18:45:42 +00:00
parent 5f473aff6d
commit 763538c096
1 changed files with 15 additions and 0 deletions
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15
core/util.inc.php
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@ -455,6 +455,21 @@ function sanitise_environment() {
}
}
function weighted_random($weights) {
$total = 0;
foreach($weights as $k => $w) {
$total += $w;
}
$r = mt_rand(0, $total);
foreach($weights as $k => $w) {
$r -= $w;
if($r <= 0) {
return $k;
}
}
}
/* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * *\
* Event API *
\* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * */