Online PHP editor | refs for 1kOBC

<?php $array = [ ['type' => 'AAA', 'label_id' => 'A1,35'], ['type' => 'AAA', 'label_id' => 'A2,34'], ['type' => 'BBB', 'label_id' => 'B1,29'], ['type' => 'CCC', 'label_id' => 'C1,20'], ['type' => 'CCC', 'label_id' => 'C2,19'], ['type' => 'CCC', 'label_id' => 'C3,18'] ]; $result = []; foreach ($array as ['type' => $type, 'label_id' => $id, 'type' => $result[$type]['type'], 'label_id' => $result[$type]['label_id'][]]); var_export(array_values($result));