Online PHP editor | refs for u9XBk

<?php $productCodes = [ [ 'parent' => [ 'name' => 'finish', ], // ... ], [ 'parent' => [ 'name' => 'fixture', ], // ... ], [ 'parent' => [ 'name' => 'finish', ], // ... ], [ 'parent' => [ 'name' => 'finish', ], // ... ], [ 'parent' => [ 'name' => 'fixture', ], // ... ], ]; $result = []; foreach ($productCodes as $option) { $parentName = $option['parent']['name']; $result[$parentName]['title'] = $parentName; $result[$parentName]['items'][] = $option; } var_dump(array_values($result));