Array merge depends on array key

Question

How can I merge the array with the same key(using date as a key) but different values? I used to create a code but the problem is the value that stores is only one per key but they have a same key(date).

Here's my array:

          {
                posting_date: "2017-08-08 00:00:00",
                id: 1,
                title: "activity 1",
                category: "company_news"
          },
          {
                posting_date: "2017-08-08 00:00:00",
                id: 6,
                title: "testing",
                category: "building_process_update"
          },
          {
                posting_date: "2017-08-08 00:00:00",
                id: 7,
                title: "ttest1",
                category: "company_news"
          },

Here's my code:

    foreach ($result_post as $key => $value){
        $year = date('Y',strtotime($value['posting_date']));
        $month = date('M',strtotime($value['posting_date']));
        $day = date('d',strtotime($value['posting_date']));
        // $result[$year] = $value['posting_date'];
        $data = [$value['title']];
        $side_bar_date[$value['category']][$year][$month][$day] = ['id'=>$value['id'],'title'=>$value['title']];

    }

but the output is

   building_process_update: {
             2017: {
                 Aug: {
                    08: {
                       id: 6,
                       title: "testing"
                    }
                 }
             }

post the expected result

RomanPerekhrest
– RomanPerekhrest

2017-08-10 09:12:38 +00:00
Commented Aug 10, 2017 at 9:12 — RomanPerekhrest
– RomanPerekhrest, Commented Aug 10, 2017 at 9:12
I've already edit the exact output

clien
– clien

2017-08-10 09:16:08 +00:00
Commented Aug 10, 2017 at 9:16 — clien
– clien, Commented Aug 10, 2017 at 9:16

JYoThI · Accepted Answer · 2017-08-10 09:14:03Z

2

Your overwriting the day key consequently. you need to push the value into day key as array [] like below

$side_bar_date[$value['category']][$year][$month][$day][] = ['id'=>$value['id'],'title'=>$value['title']];

answered Aug 10, 2017 at 9:14

JYoThI

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1 Comment

JYoThI Over a year ago

Glad it help you @clien

Pranav MS · Accepted Answer · 2017-08-10 09:14:43Z

Please try below code

foreach ($result_post as $key => $value){
        $year = date('Y',strtotime($value['posting_date']));
        $month = date('M',strtotime($value['posting_date']));
        $day = date('d',strtotime($value['posting_date']));
        // $result[$year] = $value['posting_date'];
        $data = [$value['title']];
        $side_bar_date[$value['category']][$year][$month][$day][] = array('id'=>$value['id'],'title'=>$value['title']);
    }

This is working in my case.

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