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Hi,
I have a loop like this;
foreach($data['cevaplayanlar'] as $user)
<div class="flex justify-between my-1">
<p>{{ $user->name }}</p><p>Puan: {{ $data['quiz']->getUserScore($user->id) }}</p>
</div>
endforeach
I have a user collection in $data['cevaplayanlar'] And I want to loop through this collection[.] For every data, I get that users ID and calculate his score with fuction getUserScore based on the ID of the quiz[.] But that function needs the ID of the user[.] So I can't use it outside of loop[.]
So there is a function that uses a function from Quiz model (getUserScore(userid)) I want to sort the data by getUserScore return value Is it possible? How can I do that?
If I understand you correctly, you want to sort the users inside $data['cevaplayanlar'] by their score?
$sortedUsers = collect($data['cevaplayanlar'])->sortBy(function ($user) use ($data) {
return $data['quiz']->getUserScore($user->id);
})
Kind of[.] I have a user collection in $data['cevaplayanlar'] And I want to loop through this collection[.] For every data, I get that users ID and calculate his score with fuction getUserScore based on the ID of the quiz[.] But that function needs the ID of the user[.] So I can't use it outside of loop[.] Is it too much to ask :)
I mean you could save the score of each user for each quiz inside a database table and sort them when querying the database. That way you don't have to "loop" over them another time to sort by score.
I want them to be dynamic[.] So if I want to change the calculation system, I don't want to edit all scores all over[.]
Where do you get the data from?
If it's the database you should do the calculation and the sorting there.
Yeah but it's a bit complicated[.] I have a table holding the answers (Cols; id, userid, questionid, answer)[.] And another table holding the questions (it has the id of the quiz it belongs to)[.] When I'm fetching users checking the answers questions, then checking that questions if it's quiz id is the same with specified quiz[.] And the grouping the results by userID[.] This is the way how i create collection[.] After that I make a loop in the collection, and check the users answers (from answers table), and then compare that answer with the correct answer column in questions table[.] (Hope I was clear :/)
Not really but all of that is doable in SQL.
If you do not do the job in the db, either you have the right associative array or first you construct it
Then the easiest way to do a simple sort on an associative array is to use
asort : to sort by value
ksort : to sort by key
then you can foreach ...
and if you need to reverse key/value you can use array_flip
I solved it by automica's answer[.] (I think he was deleted the answer).
Solution:
First, in the controller, I've put every data in array in a new array with foreach;
$userData = [];
foreach($data['cevaplayanlar'] as $index => $user) {
$userData[$index]['id']= $user->id;
$userData[$index]['name']= $user->name;
$userData[$index]['score'] = $data['quiz']->getUserScore($user->id);
};
and then sort it the way I want;
$sorted = Arr::sort($userData, function($user)
{
return $user['score'];
});
And sent that array to view[.] And used it in a foreach like the first one[.] And everything's perfect!
Thank you guys for your help[.] I appreciate it[.]
It's exactly the same as @nimrod gave you.
$sortedUsers = collect($data['cevaplayanlar'])->sortBy(function ($user) use ($data) {
return $data['quiz']->getUserScore($user->id);
})->toArray();
@michaloravec Thanks for adding the missing use. ;-)
Oh! I have tried that but faced some errors[.] Probably missed something[.] Now i checked again and worked well[.] Sorry dude[.] Thanks again!
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