Print Value from array [duplicate]

Question

I am doing project in Laravel. Given below is my output array

Array ( [0] => Illuminate\Support\Collection Object ( [items:protected] => Array ( [0] => stdClass Object ( [u_id] => f2772366-4e7f-4257-90bd-8ea506dd8f84 ) 1 => stdClass Object ( [u_id] => c0b6da0f-1268-4c0d-a38c-675cc33573a8 ) [2] => stdClass Object ( [u_id] => 15a31589-bba6-4e22-a5c2-1dcd13f43cfe ) [3] => stdClass Object ( [u_id] => a4a05a47-edfe-4f00-aeca-4607897ec760 ) [4] => stdClass Object ( [u_id] => f8b20d31-ac80-4a98-b561-d255c79236fd ) [5] => stdClass Object ( [u_id] => 3901ee9e-01bb-483a-9f74-8f7b76290cd5 ) ) [escapeWhenCastingToString:protected] => ) 1 => Illuminate\Support\Collection Object ( [items:protected] => Array ( [0] => stdClass Object ( [u_id] => 15a31589-bba6-4e22-a5c2-1dcd13f43cfe ) 1 => stdClass Object ( [u_id] => 3901ee9e-01bb-483a-9f74-8f7b76290cd5 ) ) [escapeWhenCastingToString:protected] => ) )

I need to print u_id separated by comma

This is what I have done. showing error

foreach($selectedUsers as $key => $selectedUser){
            $listUser[] = $selectedUser->u_id;
        }

On dd() output like this

and what error is it showing? $selectedUser itself seems to be an array. have you tried printing $selectedUser and see what is returned? We need more info if we are to help you. — Mash tan
– Mash tan, Commented Jun 28, 2022 at 3:40
@Mashtan Property [u_id] does not exist on this collection instance — Satheesh Kumar
– Satheesh Kumar, Commented Jun 28, 2022 at 3:42
Related: How can I fetch the nested relation through a single statement into an array and Get data from a multidimensional array, Laravel — mickmackusa
– mickmackusa ♦, Commented Jun 28, 2022 at 5:11
Please never present textual data as an image. Why should I not upload images of code/data/errors when asking a question? — mickmackusa
– mickmackusa ♦, Commented Jun 28, 2022 at 5:33
based on dd output image you should try $flaten_arr = Arr::flatten($listUser); $result = Arr::join($flaten_arr, ','); — Pragnesh Chauhan
– Pragnesh Chauhan, Commented Jun 28, 2022 at 5:38

Amal S R · Accepted Answer · 2022-06-28 04:27:13Z

0

After

foreach($selectedUsers as $key => $selectedUser){
        $listUser[] = $selectedUser->u_id;
    }

this foreach, you had an array in the$listUser variable. You can use implode() function to merge them with commas. For eg:

$arr = ['a', 'b', 'c'];
$temp = implode(",", $arr);
echo $temp;

which will give a string a,b,c you can see mode details about implode here

answered Jun 28, 2022 at 4:27

Amal S R

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1 Comment

mickmackusa Over a year ago

The asker already stated in their question that foreach($selectedUsers as $key => $selectedUser){ $listUser[] = $selectedUser->u_id; } is "showing error". This means that your answer cannot possibly work.

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