PHP数组交集

[attributes] => Array
                (
                    [Color] => Array
                        (
                            [0] => Cool White
                            [1] => Warm White
                        )

                    [LED Amount] => Array
                        (
                            [0] => 30 LEDs
                        )

                )

[FILTER] => Array
                (
                    [Color] => Array
                        (
                            [0] => Warm White
                        )

                )

$intersection = array_intersect($arry['FILTER'], $arry['attributes']);