如何在php中合并2个数组？ [复制]

Question

对不起，这个基本问题，但我不知道怎么做。 我在 PHP 中有 2 个带有虚拟数据的数组

 Arr1[
   [0] => [
        [user_id] => 1,
        [first_name] => 'justin',
        [last_name] => 'bieber'
   ],

   [1] => [
        [user_id] => 2,
        [first_name] => 'terry',
        [last_name] => 'crews'
   ]
];

Arr2[
   [0] => [
        [user_id] => 1,
        [height] => 180,
        [weight] => 80
   ],

   [1] => [
        [user_id] => 2,
        [height] => 150,
        [weight] => 70
   ]
];

如何合并这些数组并得到结果数组？

ArrResult[
   [0] => [
        [user_id] => 1,
        [first_name] => 'justin',
        [last_name] => 'bieber'
        [height] => 180,
        [weight] => 80
   ],

   [1] => [
        [user_id] => 2,
        [first_name] => 'terry',
        [last_name] => 'crews'
        [height] => 150,
        [weight] => 70
   ]
];

你知道更好的方法吗？

Answer 1

试试array_merge():

$merged = array();
foreach ($arr1 as $key => $value) {
    $merged[] = array_merge($arr1[$key], $arr2[$key]);
}