public function equals(PrincipalInterface $another)
{
// query whether or not another principal has been passed
if ($another instanceof PrincipalInterface) {
$anotherName = $another->getName();
$equals = false;
if ($this->name == null) {
$equals = $anotherName == null;
} else {
$equals = $this->name->equals($anotherName);
}
// return the flag if the both are equal
return $equals;
}
// return FALSE if they are not equal
return false;
}