laravel_role.php

<?php
    public function hasAnyRole($roles)
    {
        return null !== $this->roles()->whereIn('name', $roles)->first();
    }

    public function hasRole($role)
    {
        return null !== $this->roles()->where('name', $role)->first();
    }

    public function isSubscriber()
    {
        foreach ($this->roles()->get() as $role)
        {
            if ($role->name == 'Subscriber')
            {
                return true;
            }
        }
    }

    public function is($roleName)
    {
        foreach ($this->roles()->get() as $role)
        {
            if ($role->name == $roleName)
            {
                return true;
            }
        }

        return false;
    }