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<?php $exhibitions = [ [ 'exhibition_title' => 'Picasso', 'venue_name' => 'Gallery 1', 'room_name' => 'Room 4', 'start_date' => '2023-11-15', 'end_date' => '2023-11-17', 'room_id' => 261, 'exhibition_id' => 3540, 'venue_order' => 2, ], [ 'exhibition_title' => 'Monet', 'venue_name' => 'Gallery 4', 'room_name' => 'Room 2', 'start_date' => '2023-10-30', 'end_date' => '2023-11-03', 'room_id' => 274, 'exhibition_id' => 8417, 'venue_order' => 1, ] ]; $result = []; foreach ($exhibitions as $row) { $dateObjects = new DatePeriod( new DateTime($row['start_date']), new DateInterval('P1D'), new DateTime("{$row['end_date']} +1 day") ); foreach ($dateObjects as $d) { $result[] = $row + ['date' => $d->format("Y-m-d")]; } } var_export($result);

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