Online PHP editor | refs for StLHX

<?php $startDate = '2001-04-20'; $endDate = '2015-11-29'; $diff = (new DateTime($startDate))->diff(new DateTime($endDate)); $lookup = [ 'y' => 'Year', 'm' => 'Month', 'd' => 'Day', ]; $elements = []; foreach ($lookup as $property => $word) { if ($diff->$property) { $elements[] = "{$diff->$property} $word" . ($diff->$property !== 1 ? 's' : ''); } } echo implode(' : ', $elements);