public function format($date, $format)
{
if ($date instanceof \DateTimeInterface) {
return $date->format($format);
} elseif ($date instanceof \DateInterval) {
return $date->format($format);
} elseif ($date === 'now') {
return date($format);
} else {
$timestamp = (int) $date;
return date($format, $timestamp);
}
} /**
* @test
* @dataProvider formatExamples
*/
public function formatWorks($dateOrString, $format, $expected)
{
$helper = new DateHelper();
$result = $helper->format($dateOrString, $format);
$this->assertSame($expected, $result);
}