PHP array_multisort - how to keep the key values? 多值排序保持键值对不变

2017-07-27 03:13:56 catherine

$array = [
    '2' => [
        'title' => 'Flower',
        'order' => 3
    ],
    '3' => [
        'title' => 'Rock',
        'order' => 1
    ],
    '4' => [
        'title' => 'Grass',
        'order' => 2
    ]
];
foreach ($array as $key => $row) {
    $items[$key]  = $row['order'];
}
array_multisort($items, SORT_DESC, $array);
print_r($array);
//Keep array keys, sort with the order column and combine them again.
$keys = array_keys($array);
array_multisort(
    array_column($array, 'order'), SORT_DESC, SORT_NUMERIC, $array, $keys
);
$array = array_combine($keys, $array);
echo '<pre>';
print_r($array);

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