getPK()}:{$this->getID()}:{$this->getTitle()},{$this->getRole()}}"; } public function getPK(): int { return $this->attributes[UserModel::PK]; } public function getTitle(): string { return $this->attributes[UserModel::TITLE]; } public function setTitle(string $title): void { $this->attributes[UserModel::TITLE] = $title; } //Common Function public function getID(): string { return $this->attributes['id']; } public function getRole(): string { return $this->attributes['role']; } }