Question

我对数据库进行查询，然后打印出来。如您所见，p : False可以组成一个数组。

page_id => 2

我希望数组看起来像这样。

Array
(
    [page_id] => 3
    [name] => Add Me
    [article_category] => Celebrities
    [count_article_category] => 1
    [average_ctr] => 5.555560111999512
)
Array
(
    [page_id] => 2
    [name] => I Too Had a Love Story
    [article_category] => Celebrities
    [count_article_category] => 7
    [average_ctr] => 2.525434238570077
)
Array
(
    [page_id] => 2
    [name] => I Too Had a Love Story
    [article_category] => Desi
    [count_article_category] => 1
    [average_ctr] => 2.892319917678833
)
Array
(
    [page_id] => 2
    [name] => I Too Had a Love Story
    [article_category] => Lifestyle
    [count_article_category] => 1
    [average_ctr] => 2.3632400035858154
)
Array
(
    [page_id] => 2
    [name] => I Too Had a Love Story
    [article_category] => Sports
    [count_article_category] => 1
    [average_ctr] => 2.150439977645874
)
Array
(
    [page_id] => 1
    [name] => Indian Celebrities
    [article_category] => Celebrities
    [count_article_category] => 2
    [average_ctr] => 2.7356200218200684
)
Array
(
    [page_id] => 1
    [name] => Indian Celebrities
    [article_category] => Hilarious
    [count_article_category] => 1
    [average_ctr] => 0.7684919834136963
)

我尝试了以下在foreach循环中运行的代码。我明白我的逻辑或编码是错误的，但我无法理解我的错误请帮忙。

 [2]
    (
        [Celebrities] => 7
        [Lifestyle] => 1
        [Desi] => 1
    )

Answer 1

好的，我们走了：

$pages_data = array();
foreach ($datas as $data) {
    if (isset($data['page_id'])) {
        // create new element for $pages_data[$data['page_id']] if it does not exists
        if (!isset($pages_data[$data['page_id']])) {
            $pages_data[$data['page_id']] = array();
        }

        // if it exists - just add certain values:
        $pages_data[$data['page_id']][$data['article_category']] = $data['count_article_category'];
    }
}

如何组合数组并使用ID创建自己的数组？

1 个答案: