A small plugin which compares the set WP Tags with Shopware Product properties from XML-Export

WP-related-shopware-products.php

<?php
    if (has_tag()) {
      // Parse XML Feed from Shop
      $use_errors = libxml_use_internal_errors(TRUE);
      $wpTags = get_the_tags();

      $products = [];
      $tags = [];

      foreach ($wpTags as $wpTag) {
        $tagName = strtolower($wpTag->name);
        $tags[] = $tagName;
        $products[$tagName] = [];
      }

      $url = "http://www.example.com/backend/export/index/export.xml?feedID=17&hash=3a6ff2a4f921a10d33d9b9ec25529a5d";
      $xml = @simplexml_load_file($url);
      $items = $xml->channel->item;

      foreach ($items as $item) {
        $title = $item->title;
        $link = $item->link;
        $properties = strtolower($item->properties);
        $img = $item->description->a->img["src"];
        $formattedProperties = preg_replace('/\s+/', '', $properties);
        $propArray = explode(',', $formattedProperties);

        if ($productTags = array_intersect($tags, $propArray)) {
          $tagName = reset($productTags);
          $products[$tagName][] = "<a class='uk-panel related_product' href='$link' title='Zum Produkt $title'>
                             <span class='related_product__image' style='background-image: url($img)'></span>
                             <span class='related_product__spacer'>
                                 <h3 class='related_product__title'>$title</h3>
                             </span>
                         </a>";
        }
      }

      $html = "";
      foreach ($products as $tag => $taggedProducts) {
        $html .= implode('', $taggedProducts);
      }

      if (!empty($html)) {
        echo '<div class="related_products">';
        echo '<h2><strong>Produkte aus dem Shop</strong></h2>';
        echo '<div class="slider slider--related">' . $html . '</div>';
        echo '</div>';
      }

      libxml_clear_errors();
      libxml_use_internal_errors($use_errors);
    }
?>