--TEST-- Test date_interval_format() function : basic functionality --CREDITS-- Jean Carlo Machado <contato@jeancarlomachado.com.br> --INI-- date.timezone=UTC --FILE-- <?php $interval = new DateInterval('P2Y4DT6H8M'); echo date_interval_format($interval, '%d days'); echo PHP_EOL; $interval = new DateInterval('P32D'); echo date_interval_format($interval, '%d days'); ?> --EXPECTF-- 4 days 32 days