note 98149 modified in function.floor by thiago

Another quick way to round down to the nearest 100 (including 0):

<?php
function floor100($num) {
    return (floor($num / 100) * 100);
}
?>

--was--
Another quick way to round down to the nearest 100 (including 0):

function floor100($num) {
    return (floor($num / 100) * 100);
}

http://php.net/manual/en/function.floor.php