How to use array_count_values function

Question

I have make a database query with larval.

QUERY :

if(Request::ajax()) {
        //On récupère l'ensemble des genres des séries visionnées par l'utilisateur
        $genre_user = DB::table('genres')->select('genres.name')
                                         ->join('seriesgenres', 'genres.id', '=', 'seriesgenres.genre_id')
                                         ->join('series', 'seriesgenres.series_id', '=', 'series.id')
                                         ->join('usersseries', 'series.id', '=', 'usersseries.serie_id')
                                         ->where('usersseries.user_id', '=', Auth::user()->id)->get();
        print_r($genre_user);die;
    }

After this query I have this array

Illuminate\Support\Collection Object
(
[items:protected] => Array
    (
        [0] => stdClass Object
            (
                [name] => Drama
            )

        [1] => stdClass Object
            (
                [name] => Action
            )

        [2] => stdClass Object
            (
                [name] => Crime
            )

        [3] => stdClass Object
            (
                [name] => Drama
            )

        [4] => stdClass Object
            (
                [name] => Action & Adventure
            )

        [5] => stdClass Object
            (
                [name] => Drama
            )
    )

)

I would like to count the number of each values in this array. To do that i know the array_count_values() fonction but it doesn't work on my result array. The problem come from this line :

$counts = array_count_values($genre_user);

What is the problem? Please give the error you are experiencing. — Aaron
– Aaron, Commented Jan 1, 2017 at 19:57

Praveen Kumar Purushothaman · Accepted Answer · 2017-01-01 18:41:00Z

2

You can't do it. The function array_count_values works only for string or integer:

Throws E_WARNING for every element which is not string or integer.

For complex objects like this, you need to take a different method. Since your PHP doesn't output the warning messages, it is not getting displayed. If you want, you can do something like a transformation.

$finalItems = array();
// Loop through the items of the object and push the names into the array.
// ... Logic ...
// And finally do:
array_count_values($finalItems);

answered Jan 1, 2017 at 18:41

Praveen Kumar Purushothaman

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