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A PHP Error was encountered

Severity: Notice

Message: Undefined index: userid

Filename: views/question.php

Line Number: 191


File: /home/prodcxja/public_html/questions/application/views/question.php
Line: 191
Function: _error_handler

File: /home/prodcxja/public_html/questions/application/controllers/Questions.php
Line: 433
Function: view

File: /home/prodcxja/public_html/questions/index.php
Line: 315
Function: require_once

I've run into this problem a couple of times. You need to override some properties:

protected $primaryKey = ['user_id', 'stock_id'];
public $incrementing = false;

and methods (credit):

 * Set the keys for a save update query.
 * @param  \Illuminate\Database\Eloquent\Builder  $query
 * @return \Illuminate\Database\Eloquent\Builder
protected function setKeysForSaveQuery(Builder $query)
    $keys = $this->getKeyName();
        return parent::setKeysForSaveQuery($query);

    foreach($keys as $keyName){
        $query->where($keyName, '=', $this->getKeyForSaveQuery($keyName));

    return $query;

 * Get the primary key value for a save query.
 * @param mixed $keyName
 * @return mixed
protected function getKeyForSaveQuery($keyName = null)
        $keyName = $this->getKeyName();

    if (isset($this->original[$keyName])) {
        return $this->original[$keyName];

    return $this->getAttribute($keyName);

Remember this code needs to reference Eloquent Builder class with

use Illuminate\Database\Eloquent\Builder;

I suggest putting those methods in a HasCompositePrimaryKey Trait so you can just use it in any of your models that need it.

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      • 1
    • Added this to a model and it is failing. It appears something is calling getKey() in IlluminateDatabaseEloquentModel before it calls either of the functions listed in this example, resulting in an error to be thrown since it isn't expecting an array for the attributes.
    • Okay your right, I was using a differnet builder! I corrected it but its still not working: Declaration of AppLookupCountryStats::setKeysForSaveQuery(Illu??minateDatabaseEloq??uentBuilder $query) should be compatible with IlluminateDatabaseEloquentModel::setKeysForSaveQuery(IlluminateDatabaseEloquentBuilder $query). I don't understand why because it has same parameter and visibility as the method in Model. I also noticed that setKeysForSaveQuery has no input parameter in Model.

Warm tip !!!

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