$permission = 'admin'; $members = $this->memberRepository->get_members_by_permission($permission); foreach($members as $member) { echo $member->username . "\n"; }In this example, we are passing the permission "admin" to the get_members_by_permission method, and it will return all members with the permission "admin". We then loop through the members and print out their usernames. This method is commonly found in PHP packages related to user management or access control, such as Laravel's built-in User model or the Symfony Security Component.