php 二维数组根据某个键值倒叙、升序排序

<?php

$array = [
    [
        'title' => '标题5',
        'views' => 500
    ],
    [
        'title' => '标题3',
        'views' => 300
    ],
    [
        'title' => '标题2',
        'views' => 200
    ],
    [
        'title' => '标题4',
        'views' => 400
    ],
    [
        'title' => '标题1',
        'views' => 100
    ],
];

usort($array, function ($item1, $item2) {

    return $item1['views'] < $item2['views'];
});

print_r($array);
#result: 
Array
(
    [0] => Array
        (
            [title] => 标题5
            1,399 views => 500
        )

    [1] => Array
        (
            [title] => 标题4
            1,399 views => 400
        )

    [2] => Array
        (
            [title] => 标题3
            1,399 views => 300
        )

    [3] => Array
        (
            [title] => 标题2
            1,399 views => 200
        )

    [4] => Array
        (
            [title] => 标题1
            1,399 views => 100
        )

)