3 declare(strict_types=1);
63 if (is_null($this->cartId)) {
65 $data = $this->
raw(self::FIELD_CART_ID);
69 $this->cartId = (string) $data;
83 if (is_null($this->cartVersion)) {
85 $data = $this->
raw(self::FIELD_CART_VERSION);
89 $this->cartVersion = (int) $data;
103 if (is_null($this->comment)) {
105 $data = $this->
raw(self::FIELD_COMMENT);
106 if (is_null($data)) {
109 $this->comment = (string) $data;