使用PHP array_multisort函數對多維關聯數組進行排序，其中包含一些整數鍵

Question

如果關聯數組包含整數鍵，則array_multisort會自動重置它們，所以我正在丟失數據。這是一個小例子。任何解決方案

$products = array ('777.777' => array('price' => 10, 'name' => 'a'), 
        '777' => array('price' => 100, 'name' => 'b') 
       );  

$sort_field  = 'price'; 
$destination = SORT_ASC; 
$sort_array = array(); 
foreach ($products as $productId => $product) { 
    $sort_array[$productId] = $product[$sort_field]; 
}  
array_multisort($sort_array, $destination, $products); 
print_r($products); 
    // Array ([777.777] => Array ([price] => 10 [name] => a) [0] => Array ([price] => 100 [name] => b)) 

Answer 1

嘗試了這一點

<?php 

    $products = array('777.777' => array('price' => 10, 'name' => 'a'), 
        '777' => array('price' => 100, 'name' => 'b') 
       ); 

    $products = subval_sort($products, 'price'); 

    function subval_sort($array, $subkey) { 

     foreach ($array as $key => $value) { 

      $newArray[$key] = $value[$subkey]; 
     } 

     arsort($newArray); 

     foreach ($newArray as $key => $value) { 

      $finalArray[$key] = $array[$key]; 
     } 

     return $finalArray; 
    } 

    var_dump($products); 

?> 

http://codepad.org/VgdGdWyQ