按给定序列排序多维数组

Question

我有一个大的多维数组，想按给定的顺序对其进行排序，下面是示例数组

    $list = array(
 array('name'=>'a','sports' => 'HOCKEY'),
  array('name'=>'b','sports' => 'FOOTBALL'),
  array('name'=>'c','sports' => 'CRICKET'),
  array('name'=>'d','sports' => 'TENNIS'),
  array('name'=>'e','sports' => 'BASKETBALL'),
  array('name'=>'f','sports' => 'BADMINTON'),
);
$sequence = ['CRICKET','BADMINTON','FOOTBALL','HOCKEY','BASKETBALL','TENNIS']

想要这样的结果：

$list = array(
    array('name'=>'c','sports' => 'CRICKET'),
    array('name'=>'f','sports' => 'BADMINTON'),
    array('name'=>'b','sports' => 'FOOTBALL'),
    array('name'=>'a','sports' => 'HOCKEY'),
    array('name'=>'e','sports' => 'BASKETBALL'), 
    array('name'=>'d','sports' => 'TENNIS'),
);

[请帮助我找到实现这一目标的最佳做法。

Answer 1

您可以使用usort执行此操作，根据usort中的键对元素进行排序（使用$sequence找到）：

array_search

输出：

array_search

$list = array(
  array('name'=>'a','sports' => 'HOCKEY'),
  array('name'=>'b','sports' => 'FOOTBALL'),
  array('name'=>'c','sports' => 'CRICKET'),
  array('name'=>'d','sports' => 'TENNIS'),
  array('name'=>'e','sports' => 'BASKETBALL'),
  array('name'=>'f','sports' => 'BADMINTON'),
);
$sequence = ['CRICKET','BADMINTON','FOOTBALL','HOCKEY','BASKETBALL','TENNIS'];

usort($list, function ($a, $b) use ($sequence) {
    return array_search($a['sports'], $sequence) - array_search($b['sports'], $sequence);
});

print_r($list);