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@ 2015-05-04T14:59:32Z

<?php

function foo($compatibility) {
    return min(28, intval(round(28 * $compatiblity)));
}


foreach (array(0, 0.05, 0.1, 0.15, 0.2, 0.3, 0.4, 0.5) as $compatibility) {
    var_dump(foo($compatibility));
}

Output
Performance
VLD
References
Branches

var_dump: documentation ( source)
round: documentation ( source)
min: documentation ( source)

preferences:dark modelive preview

63.05 ms | 402 KiB | 5 Q