Random ordering query scope

Random.php

<?php

namespace App\Scopes;

use Illuminate\Database\MySqlConnection;
use Illuminate\Database\Eloquent\Builder;

trait Random
{
    /**
     * Random ordering query scope.
     *
     * @param Illuminate\Database\Eloquent\Builder $q
     * @return Illuminate\Database\Eloquent\Builder
     */
    public function scopeRand(Builder $q)
    {
        $connection = $q->getQuery()->getConnection();
        
        if ($connection instanceof MySqlConnection) {
            return $q->orderByRaw('RAND()');
        }
    }
}