$delete_array = $add_new_array = array();
$array1 = array(
    array(‘user_id‘ => 1, ‘user_name‘ => ‘一00一‘, ‘corp_id‘ => 1),
    array(‘user_id‘ => 2, ‘user_name‘ => ‘二00二‘, ‘corp_id‘ => 1),
    array(‘user_id‘ => 3, ‘user_name‘ => ‘三00三‘, ‘corp_id‘ => 1),
);
$array2 = array(
    array(‘user_id‘ => 1, ‘user_name‘ => ‘一00一‘),
    array(‘user_id‘ => 2, ‘user_name‘ => ‘二00二‘),
    // array(‘user_id‘ => 3, ‘user_name‘ => ‘三00三‘),
    array(‘user_id‘ => 4, ‘user_name‘ => ‘四00四‘),
);

$delete_array = array_filter($array1, function ($v, $k) use ($array2) {
    foreach ($array2 as $key => $val) {
        if ($val[‘user_id‘] == $v[‘user_id‘]) {
            return false;
        }
    }
    return true;
}, ARRAY_FILTER_USE_BOTH);

$add_new_array = array_filter($array2, function ($v, $k) use ($array1) {
    foreach ($array1 as $key => $val) {
        if ($val[‘user_id‘] == $v[‘user_id‘]) {
            return false;
        }
    }
    return true;
}, ARRAY_FILTER_USE_BOTH);

echo ‘delete_array:‘;
print_r(array_values($delete_array));

echo "\n", ‘add_new_array:‘;
print_r(array_values($add_new_array));