WordPress - add meta box and save it to post

        add_meta_box('nme_pro_reviews_box', 'Property Reviews', 'nme_pro_reviews_box', 'property', 'normal', 'high');








            function nme_pro_reviews_box() {

                global $post;

                $_nme_pro_review_1 = get_post_meta( $post->ID, '_nme_pro_review_1', true );
                $_nme_pro_review_2 = get_post_meta( $post->ID, '_nme_pro_review_2', true );
                $_nme_pro_review_3 = get_post_meta( $post->ID, '_nme_pro_review_3', true );



                    ?>

                    <div class="nme_pro_reviews_section">

                        <p>
                            Review 1: <br />
                            <textarea style="width:100%; height: 80px;" name="_nme_pro_review_1"/><?php echo esc_attr($_nme_pro_review_1); ?></textarea>
                        </p>
                        <p>
                            Review 2: <br />
                            <textarea style="width:100%; height: 80px;" name="_nme_pro_review_2"/><?php echo esc_attr($_nme_pro_review_2); ?></textarea>
                        </p>
                        <p>
                            Review 3: <br />
                            <textarea style="width:100%; height: 80px;" name="_nme_pro_review_3"/><?php echo esc_attr($_nme_pro_review_3); ?></textarea>
                        </p>

                    </div>

                    <?php



            }



            add_action('save_post', 'wpt_save_pro_reviews', 1, 2);



            function wpt_save_pro_reviews($post_id, $post) {

                if (defined('DOING_AUTOSAVE') && DOING_AUTOSAVE)

                    return $post->ID;


                if (!current_user_can('edit_post', $post->ID))

                    return $post->ID;


                update_post_meta( $post->ID, '_nme_pro_review_1', $_POST['_nme_pro_review_1'] );
                update_post_meta( $post->ID, '_nme_pro_review_2', $_POST['_nme_pro_review_2'] );
                update_post_meta( $post->ID, '_nme_pro_review_3', $_POST['_nme_pro_review_3'] );

            }