PHP 配列の多次元ソートのためのブラック テクノロジー: サードパーティ ライブラリを使用して実装

composer require justinwalsh/ksort

use JustinWalsh\KsortRecursive\KsortRecursive; $arr = [ [ 'name' => 'John Doe', 'age' => 50, 'city' => 'New York' ], [ 'name' => 'Jane Doe', 'age' => 40, 'city' => 'London' ], [ 'name' => 'Peter Jones', 'age' => 30, 'city' => 'Paris' ] ]; $sortedArr = KsortRecursive::sortNestedArrayByKey($arr, ['name', 'age', 'city'], true); print_r($sortedArr);

Array ( [0] => Array ( [name] => Jane Doe [age] => 40 [city] => London ) [1] => Array ( [name] => John Doe [age] => 50 [city] => New York ) [2] => Array ( [name] => Peter Jones [age] => 30 [city] => Paris ) )

$products = [ [ 'id' => 1, 'name' => 'Product 1', 'price' => 100 ], [ 'id' => 2, 'name' => 'Product 2', 'price' => 200 ], [ 'id' => 3, 'name' => 'Product 3', 'price' => 150 ] ]; $sortedProducts = KsortRecursive::sortNestedArrayByKey($products, ['price', 'name'], true); foreach ($sortedProducts as $product) { echo $product['name'] . ' - $' . $product['price'] . '
'; }

Product 1 - $100 Product 3 - $150 Product 2 - $200