Allow composite key for eloquent model

controller-update-create.php

<?php
ContentBlock::updateOrCreate([
	'alias' => $key,
	'section' => $section_snake,
], [
	'content' => $val,
]);

Eloquent-model-store-create-composite-key.php

<?php

namespace App;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Builder;

class ContentBlock extends Model
{
	// if set it doesn't allow keyBy() called on collection. And still the key is composite so we have to search by two params manually anyway
    //protected $primaryKey = 'alias';

    protected $fillable = ['content', 'alias', 'section'];

    /**
     * Set the composite keys for a save update query.
     *
     * @param  \Illuminate\Database\Eloquent\Builder  $query
     * @return \Illuminate\Database\Eloquent\Builder
     */
    protected function setKeysForSaveQuery(Builder $query)
    {
        $query
            ->where('alias', '=', $this->getAttribute('alias'))
            ->where('section', '=', $this->getAttribute('section'));
        return $query;
    }
}