DakuTree / manga-tracker

		return $email;

	}

	public function get_user_by_username(string $username) {

		$user = NULL;

		$query = $this->db->select('*')

		                  ->from('auth_users')

		                  ->where('username', $username)

		                  ->get();

		if($query->num_rows() > 0) {

			$user = $query->row();

		}

		return $user;

	}

	public function get_gravatar_url($email = NULL, $size = NULL) : string {

		$email = $email ?? $this->email;

		return $api_key;

	}

	public function get_id_from_api_key(string $api_key) {

		$query = $this->db->select('id')

		                  ->from('auth_users')

		                  ->where('api_key', $api_key)

		                  ->get();

		if($query->num_rows() > 0) {

			$userID = $query->row('id');

		}

		return $userID ?? FALSE;

	}

	public function set_user_expire_time($remember) : int {

		$expire_time = 0;