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 shortNumber($num) 
{
    $units = ['', 'K', 'M', 'B', 'T'];
    for ($i = 0; $num >= 1000; $i++) {
        $num /= 1000;
    }
    return round($num, 1) . $units[$i];
}

I adapted this one from a function created to display bytes in human readable form by bashy here:

https://laracasts.com/discuss/channels/laravel/human-readable-file-size-and-time