PHP Count round thousand to a K style count like facebook Share . . . Twitter Button ect

Question

Ok so I am trying to turn my hit counter to round thousands to a single digit too display 3 thousand hits as 3K for example, like the Facebook Share and Twitter Tweet Button

Answer 1

function print_number_count($number) {
    $units = array( '', 'K', 'M', 'B');
    $power = $number > 0 ? floor(log($number, 1000)) : 0;
    if($power > 0)
        return @number_format($number / pow(1000, $power), 2, ',', ' ').' '.$units[$power];
    else
        return @number_format($number / pow(1000, $power), 0, '', '');
}