키 php 의 특정 값으로 배열 정렬

코드 예제

2
0

php 는 키별로 배열 배열 정렬

$inventory = [
	['price' => 10.99, 'product' => 'foo 1'],
    ['price' => 5.99, 'product' => 'foo 2'],
  	['price' => 100, 'product' => 'foo 3'],
  
];

$price = array_column($inventory, 'price');

array_multisort($price, SORT_DESC, $inventory);
1
0

php 에서 키 값으로 배열 정렬

$inventory = array(

   array("type"=>"fruit", "price"=>3.50),
   array("type"=>"milk", "price"=>2.90),
   array("type"=>"pork", "price"=>5.43),

);
$price = array_column($inventory, 'price');
array_multisort($price, SORT_DESC, $inventory);
1
0

특정 키별로 php 정렬 배열


usort($array, function ($a, $b) {
  return ($a['specific_key'] < $b['specific_key']) ? -1 : 1;
});
-1
0

특정 키 별 php 순서 배열

    function cmp($a, $b)
    {
        return strcmp($a->display_name, $b->display_name);
    }

    usort($blogusers, "cmp");

    foreach ($blogusers as $bloguser)
    {
        ...

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