Date range converter

DateRangeConverter.php

<?php

namespace App\Libraries;

use Carbon\Carbon;

class DateRangeConverter
{
    public static function humanReadable($startDate, $endDate)
    {
        $startDateTemp = explode('-', $startDate);
        $endDateTemp = explode('-', $endDate);

        $startDate = Carbon::parse($startDate);
        $endDate = Carbon::parse($endDate);

        //diff year
        if ($startDateTemp[0] != $endDateTemp[0]) {
            // 31-12-2021 - 01-01-2022
            return $startDate->format('d M Y') . ' - ' . $endDate->format('d M Y');
        }

        //same year diff month
        if ($startDateTemp[1] != $endDateTemp[1]) {
            // 31-01 - 01-02-2022
            return $startDate->format('d M') . ' - ' . $endDate->format('d M Y');
        }

        //diff day
        if ($startDateTemp[2] != $endDateTemp[2]) {
            // 30 - 31-02-2022
            return $startDate->format('d') . ' - ' . $endDate->format('d M Y');
        }

        //same day
        // 01-02-2022
        return $endDate->format('d M Y');
    }

    public static function test()
    {
        $startDate = '31-12-2021';
        $endDate = '01-01-2022';

        echo 'test 1: ' . $startDate . ' - ' . $endDate . PHP_EOL;
        echo self::humanReadable($startDate, $endDate).PHP_EOL;

        $startDate = '01-01-2022';
        $endDate = '01-02-2022';

        echo 'test 2: ' . $startDate . ' - ' . $endDate . PHP_EOL;
        echo self::humanReadable($startDate, $endDate).PHP_EOL;

        $startDate = '01-01-2022';
        $endDate = '31-01-2022';

        echo 'test 3: ' . $startDate . ' - ' . $endDate . PHP_EOL;
        echo self::humanReadable($startDate, $endDate).PHP_EOL;

        $startDate = '01-01-2022';
        $endDate = '01-01-2022';

        echo 'test 4: ' . $startDate . ' - ' . $endDate . PHP_EOL;
        echo self::humanReadable($startDate, $endDate).PHP_EOL;
    }
}