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merces/stars.php

Created January 12, 2017 01:53
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5 star rank in PHP
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stars.php
<?php
// Reversing From Scratch - http://menteb.in/rfs
// In this example 3 people gave 4 starts while 15 people gave 5 starts, totalizing 18 votes.
$stars = array(0, 0, 0, 3, 15);
$total = array_sum($stars);
foreach ($stars as $s)
$res += $s / $total * ++$i;
echo round($res, 1);
?>
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