Display price in words

PriceInWords.php

<?php 

class PriceInWords {

    protected $moneyNames = ['euras', 'eurai', 'eurų'];
    protected $centNames = ['centas', 'centai', 'centų'];

    /**
     * Convert price into words
     *
     * @param $price
     * @return string
     */
    public function getPriceInWords($price)
    {
        $price = sprintf('%01.2f', $price);

        list($money, $cents) = explode('.', $price);

        return $this->numberToWords($money) . ' '
            . $this->getName($money, $this->moneyNames) . ' '
            . $this->numberToWords($cents) . ' ' . $this->getName($cents, $this->centNames);
    }

    /**
     * Get right number naming
     *
     * @param $number
     * @param $names
     * @return mixed
     */
    protected function getName($number, $names)
    {
        $number = (int) $number;

        if ($number == 0) {
            return $names[2];
        }

        $last = $number % 10;
        $lastTwo = $number % 100;

        if (($lastTwo > 10) && ($lastTwo < 20)) {
            return $names[2];
        } else {
            if ($last == 0) {
                return $names[2];
            } elseif ($last == 1) {
                return $names[0];
            } else {
                return $names[1];
            }
        }
    }

    /**
     * Get number in words
     *
     * @param $number
     * @return string
     */
    protected function numberToWords($number)
    {
        $n0_9 = ['nulis', 'vienas', 'du', 'trys', 'keturi', 'penki', 'šeši', 'septyni', 'aštuoni', 'devyni'];
        $n11_19 = [
            11 => 'vienuolika',
            12 => 'dvylika',
            13 => 'trylika',
            14 => 'keturiolika',
            15 => 'penkiolika',
            16 => 'šešiolika',
            17 => 'septyniolika',
            18 => 'aštuoniolika',
            19 => 'devyniolika'
        ];
        $tens = [
            1 => 'dešimt',
            2 => 'dvidešimt',
            3 => 'trisdešimt',
            4 => 'keturiasdešimt',
            5 => 'penkiasdešimt',
            6 => 'šešiasdešimt',
            7 => 'septyniasdešimt',
            8 => 'aštuoniasdešimt',
            9 => 'devyniasdešimt'
        ];
        $big = [
            2 => ["tūkstantis", "tūkstančiai", "tūkstančių"],
            3 => ["milijonas", "milijonai", "milijonų"],
            4 => ["milijardas", "milijardai", "milijardų"],
            5 => ["trilijonas", "trilijonai", "trilijonų"],
        ];

        $return = '';

        $numberParts  = $this->splitNumber($number);

        $numberPartCount= count($numberParts);

        foreach ($numberParts as $partIndex => $part) {
            $num = (int) $part;
            $bigNumberIndex = ($numberPartCount - $partIndex);

            // get hundreds
            if (($hNum = (int) ($num / 100)) > 0) {
                if ($hNum == 1) {
                    $return .= ' šimtas';
                } else {
                    $return .= ' ' . $n0_9[$hNum] . ' šimtai';
                }
                $num -= $hNum * 100;
            }

            // get numbers less then 100
            if ($num >= 11 && $num <= 19) {
                $return .= ' ' . $n11_19[$num];
            } else if ($num > 0 && $num % 10 == 0) {
                $tNum = (int) ($num / 10);
                $return .= ' ' . $tens[$tNum];
            } else if ($num < 10) {
                // instead of 'vienas tukstantis' we want to have 'tukstantis' etc.
                if ($num != 1 || isset($big[$bigNumberIndex]) == false) {
                    if ($num != 0 || $numberPartCount == 1) {
                        $return .= ' ' . $n0_9[$num];
                    }
                }
            } else if ($num < 100 && $num > 10) {
                $tensNumber = (int) ($num / 10);
                $singleNumber = $num - $tensNumber * 10;
                $return .= ' ' . $tens[$tensNumber] . ' ' . $n0_9[$singleNumber];
            }

            // get big number name
            if (isset($big[$bigNumberIndex])) {
                $return .= ' ' . $this->getName($num, $big[$bigNumberIndex]);
            }
        }

        return trim($return);
    }

    /**
     * Split number into parts of 3 digits
     *
     * @param $number
     * @return array
     */
    protected function splitNumber($number)
    {
        $parts = [];

        while (strlen($number) > 0) {
            $parts[] = substr($number, -3);
            $number = substr($number, 0, -3);
        }

        $parts = array_reverse($parts);

        return $parts;
    }
}