Added MenuButton Objects

src/TgBotLib/Objects/MenuButton.php

@@ -0,0 +1,87 @@
+<?php
+
+    /** @noinspection PhpMissingFieldTypeInspection */
+
+    namespace TgBotLib\Objects;
+
+    use TgBotLib\Interfaces\ObjectTypeInterface;
+
+    class MenuButton implements ObjectTypeInterface
+    {
+        /**
+         * @var string
+         */
+        private $type;
+
+        /**
+         * @var string|null
+         */
+        private $text;
+
+        /**
+         * @var WebAppInfo|null
+         */
+        private $web_app;
+
+        /**
+         * Type of the button, must be web_app
+         *
+         * @return string
+         */
+        public function getType(): string
+        {
+            return $this->type;
+        }
+
+        /**
+         * Text on the button
+         *
+         * @return string|null
+         */
+        public function getText(): ?string
+        {
+            return $this->text;
+        }
+
+        /**
+         * Description of the Web App that will be launched when the user presses the button. The Web App will be able
+         * to send an arbitrary message on behalf of the user using the method answerWebAppQuery.
+         *
+         * @return WebAppInfo|null
+         */
+        public function getWebApp(): ?WebAppInfo
+        {
+            return $this->web_app;
+        }
+
+        /**
+         * Returns an array representation of the object
+         *
+         * @return array
+         */
+        public function toArray(): array
+        {
+            return [
+                'type' => $this->type,
+                'text' => $this->text,
+                'web_app' => ($this->web_app instanceof WebAppInfo) ? $this->web_app->toArray() : null
+            ];
+        }
+
+        /**
+         * Constructs object from an array representation
+         *
+         * @param array $data
+         * @return ObjectTypeInterface
+         */
+        public static function fromArray(array $data): ObjectTypeInterface
+        {
+            $object = new self();
+
+            $object->type = $data['type'];
+            $object->text = $data['text'] ?? null;
+            $object->web_app = ($data['web_app'] ?? null) ? WebAppInfo::fromArray($data['web_app']) : null;
+
+            return $object;
+        }
+    }