Show recent posts from rss feeds on another website

<?php 
                            $rss = fetch_feed('Your_Website_Rss_Url_Here'); // eg http://anujsubedi.com.np/blog/feed
                            if (!is_wp_error( $rss ) ) : 
                            $maxitems = $rss->get_item_quantity(4); // increase items quantity eg. 6
                            $rss_items = $rss->get_items(0, $maxitems); 
                             endif;
?>

<?php
                            function shorten($string, $length)
                            {
                                $suffix = '&hellip;';
                             
                            $short_desc = trim(str_replace(array("/r", "/n", "/t"), ' ', strip_tags($string)));
                                $desc = trim(substr($short_desc, 0, $length));
                                $lastchar = substr($desc, -1, 1);
                                 if ($lastchar == '.' || $lastchar == '!' || $lastchar == '?') $suffix='';
                             $desc .= $suffix;
                             return $desc;
                            }
?>
    <div class="blog_rolls_items_wrapper">
    <div class="row">

                            <?php 
                             if ($maxitems == 0) echo '<li>No items.</li>';
                             else 
                             foreach ( $rss_items as $item ) : 
                            ?>
            <div class="col-lg-6 col-md-6 col-sm-6 col-xs-12">
                <div class="blog_items">
                    <h3 class="your_class">
                    <a target="_blank" href='<?php echo esc_url( $item->get_permalink() ); ?>' title='<?php echo esc_html( $item->get_title() ); ?>'> <?php echo esc_html( $item->get_title() ); ?></a>
                    </h3>
                    <p>
                        <?php echo shorten($item-> get_description(),'215'); // you may change the length of desc ?>
                    </p>
                    <a href="<?php echo esc_url( $item->get_permalink() ); ?>" target="_blank">Read More</a>
                </div>

            </div>
            <?php endforeach; ?>
            </div>
            </div>