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<?php $data = [ ['brand' => 'a', 'model' => 'a', 'foo' => 'bar'], ['brand' => 'b', 'model' => 'b', 'foo' => 'b'], ['brand' => 'c', 'model' => 'c', 'foo' => 'c'], ['brand' => 'd', 'model' => 'd', 'foo' => 'd'], ['brand' => 'e', 'model' => 'e', 'foo' => 'e'], ]; $data = array_map(function($item) { return [ 'brand' => $item['brand'], 'model' => $item['model'] ]; }, $data); var_dump($data);

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