Pretty Price formatter

prettyprice.php

/**
 * Helper function to format price
 * Replaces dots with commas, replaces trailing zeroes with ,-
 * If there is only 1 trailing zero, adds another
 * Adds ,- for rounded prices
 * @param $price
 * @return mixed|string
 */
public static function prettyPrice($price)
{
    //Replace the dot in the price with a comma.
    $price = str_replace('.', ',', $price);

    //If the price has two trailing zeroes, remove them.
    $price = str_replace(',00', ',-', $price);

    //If there is only one tracing zero after the comma, add another one
    if(preg_match('/\d{2},\d{1}(?!\d{1})/', $price))
    {
        $price = $price . '0';
    }

    //If the price has no trailing zeroes, also add a dot with a comma
    //We know it has no trailing zeroes if none of the above methods added a comma
    if(! preg_match('~\,~', $price))
    {
        $price = $price . ',-';
    }

    return $price;
}