石小菜的博客

例：$test = [ [ 'sort' = 1, 'name' = 'name1', ], [ 'sort' = 3, 'name' = 'name3', ], [ 'sort' = 2, 'name' = 'name2', ],];$arr = array_column($test,'sort');array_multisort($arr,SORT_DESC,$test);var_dump($test);//结果$test = [ [ 's