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@ 2013-11-17T11:15:00Z

<?php
$p = 14;

function format($f) {
    return (string) round($f, (int) ini_get('precision'));
}

echo format(20/3) . "\n";
echo format(6.66) . "\n";
echo format(6) . "\n";

Output
Performance
VLD
References
Branches

round: documentation ( source)
ini_get: documentation ( source)

preferences:dark modelive preview

44.46 ms | 402 KiB | 5 Q