Online PHP editor | output for COUbl

<?php $days = []; $searchData = ['dat' => '2015-11-12']; $offset = 3; $now = date_create('today'); $offsetStart = -1 * $offset; echo date_create($searchData['dat'])->modify($offsetStart .' days')->format('Y-m-d H:i'); echo PHP_EOL . $now->format('Y-m-d H:i'); echo PHP_EOL . date_create($searchData['dat'])->diff($now)->days; if (date_create($searchData['dat'])->modify($offsetStart .' days') < $now) { $offsetStart = -1 * date_create($searchData['dat'])->diff($now)->days; } $offsetEnd = 2 * $offset + $offsetStart; for ($i = $offsetStart; $i <= $offsetEnd; $i++) { $days[] = $i; } print_r($days);