PHP code example of lisoing / calendar

    
        
<?php
require_once('vendor/autoload.php');

/* Start to develop here. Best regards https://php-download.com/ */

    

lisoing / calendar example snippets

// Just extend AbstractLunisolarCalendar and implement a few methods
final class NepalCalendar extends AbstractLunisolarCalendar
{
    // Implement 8 simple methods - that's it!
    // The abstract class handles all the complex date conversion logic
}

use Lisoing\Holidays\Holidays;
use Lisoing\Countries\Cambodia;

// Using country helper with holiday() method
$holidays = Holidays::for(Cambodia::holiday(), year: 2025, locale: 'en')->get();

// Using country helper instance
$holidays = Holidays::for(Cambodia::make(), year: 2025, locale: 'en')->get();

// Or by country code string
$holidays = Holidays::for('KH', year: 2025, locale: 'en')->get();

use Carbon\CarbonImmutable;
use Lisoing\Calendar;
use Lisoing\Countries\Cambodia;

$gregorian = CarbonImmutable::parse('2025-04-14', 'Asia/Phnom_Penh');

// Convert to lunisolar calendar
$lunisolarDate = Calendar::for(Cambodia::class)
    ->fromCarbon($gregorian)
    ->toLunisolar();
echo $lunisolarDate->getCalendar();  // km

// Convert to Islamic (lunar) calendar
$islamicDate = Calendar::for('gregorian')
    ->fromCarbon($gregorian)
    ->toIslamic();
echo $islamicDate->getCalendar();  // islamic

// Convert back to Gregorian (solar)
$backToGregorian = $lunisolarDate->toGregorian();
echo $backToGregorian->getCalendar();  // gregorian

// Check calendar type
Calendar::isSolar('gregorian');      // true
Calendar::isLunisolar('km');         // true
Calendar::isLunar('islamic');        // true

// Chain calendar conversions
$result = Calendar::for('gregorian')
    ->fromCarbon($gregorian)
    ->toLunisolar('km')      // Switch to Khmer lunisolar
    ->toGregorian()          // Switch back to Gregorian
    ->toIslamic()            // Switch to Islamic lunar
    ->toString();            // Format as string

use Lisoing\Calendar\Holidays\HolidayManager;
use Lisoing\Calendar\Support\CalendarToolkit;

// Method 1: Using HolidayManager
$manager = app(HolidayManager::class);
$holidays = $manager->forCountry(2025, 'KH', 'en');

foreach ($holidays as $holiday) {
    echo $holiday->name();           // Holiday name
    echo $holiday->date()->format('Y-m-d'); // Date
}

// Method 2: Using CalendarToolkit
$toolkit = CalendarToolkit::make();
$newYear = $toolkit->holiday('khmer_new_year', 2025, 'KH', 'en');
echo $newYear?->name(); // Khmer New Year