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@ 2014-08-30T23:20:26Z

<?php

function convert($input)
{
        $oldMin = 0;
        $oldMax = 1;
        $newMin = 127;
        $newMax = 0;

        return ceil(((($input- $oldMin) * ($newMax - $newMin)) / ($oldMax - $oldMin)) + $newMin);
}

foreach (range(0,1,1/1000) as $input) {
	convert($input);
}

Output
Performance
VLD
References
Branches

ceil: documentation ( source)
range: documentation ( source)

preferences:dark modelive preview

37.92 ms | 402 KiB | 5 Q