Gallery mit Artikelverlinkung gesucht

$childcategories = get_categories('child_of=' . $cat . '&hide_empty=1');
foreach ($childcategories as $childcategory) {
   if (in_category($childcategory)) {
      echo bloginfo('url'). '/category/'.$cat_id->category_nicename.$childcategory->category_nicename .' URL<br>';
      echo $childcategory->cat_name . ' NAME<br>';
      echo $childcategory->category_description.' BILD<br>';


      ?>


      <div class="article-wrapper">
         <article id="cat-<?php $childcategory->cat_ID; ?>" class="homepage-article cat-<?php $childcategory->cat_ID; ?> post type-post status-publish format-standard has-post-thumbnail hentry category-<?php $childcategory->cat_name; ?>">




            <div class="featured-image">
               <a href="<?php bloginfo('url'). '/category/'.$cat_id->category_nicename.$childcategory->category_nicename; ?>"><img width="240" height="145" src="<?php $childcategory->category_description; ?>" class="attachment-homepage-thumb size-homepage-thumb wp-post-image" alt="<?php$childcategory->cat_name?>" /></a>


            </div>


            <header class="entry-header">


               <h1 class="entry-title"><a href="<?php bloginfo('url'). '/category/'.$cat_id->category_nicename.$childcategory->category_nicename; ?>" rel="bookmark">
                     <?php $childcategory->cat_name; ?> </a></h1>
            </header><!-- .entry-header -->


         </article><!-- #post-## -->
      </div>


      <?php
   }
}

<?phpget_header(); ?>


   <div id="primary-home" class="content-area">
      <h2 id="page-title"><?php single_cat_title(); ?></h2>
         <main id="main" class="site-main" role="main">


            <?php while ( have_posts() ) : the_post(); ?>


               <?php get_template_part( 'content', 'home' ); ?>


               <?php
                  // If comments are open or we have at least one comment, load up the comment template
                  if ( comments_open() || '0' != get_comments_number() )
                     comments_template();
               ?>


            <?php endwhile; // end of the loop. ?>


            <?php sixteen_pagination(); ?>
         </main><!-- #main -->
   </div><!-- #primary-home-->


<?php


$childcategories = get_categories('child_of=' . $cat . '&hide_empty=1');
foreach ($childcategories as $childcategory) {
   if (in_category($childcategory)) {
      echo '<div class="article-wrapper">
         <article id="cat-'.$childcategory->cat_ID.'" class="homepage-article cat-'.$childcategory->cat_ID.' post type-post status-publish format-standard has-post-thumbnail hentry category-'.$childcategory->cat_name.'">




            <div class="featured-image">
               <a href="'.bloginfo('url'). '/category/'.$cat_id->category_nicename.$childcategory->category_nicename.'"><img width="240" height="145" src="'.$childcategory->category_description.'" class="attachment-homepage-thumb size-homepage-thumb wp-post-image" alt="'.$childcategory->cat_name.'" /></a>


            </div>


            <header class="entry-header">


               <h1 class="entry-title"><a href="'.bloginfo('url'). '/category/'.$cat_id->category_nicename.$childcategory->category_nicename.'" rel="bookmark">
                     '.$childcategory->cat_name.'   </a></h1>
            </header><!-- .entry-header -->


         </article><!-- #post-## -->
      </div>';




   }


}
?>






<?php get_sidebar('footer'); ?>
<?php get_footer(); ?>

<?phpget_header(); ?>
<?php


$childcategories = get_categories('child_of=' . $cat . '&hide_empty=1');
foreach ($childcategories as $childcategory) {
   if (in_category($childcategory)) {
      echo '<div class="article-wrapper">
         <article id="cat-'.$childcategory->cat_ID.'" class="homepage-article cat-'.$childcategory->cat_ID.' post type-post status-publish format-standard has-post-thumbnail hentry category-'.$childcategory->cat_name.'">




            <div class="featured-image">
               <a href="'.bloginfo('url'). '/category/'.$cat_id->category_nicename.$childcategory->category_nicename.'"><img width="240" height="145" src="'.$childcategory->category_description.'" class="attachment-homepage-thumb size-homepage-thumb wp-post-image" alt="'.$childcategory->cat_name.'" /></a>


            </div>


            <header class="entry-header">


               <h1 class="entry-title"><a href="'.bloginfo('url'). '/category/'.$cat_id->category_nicename.$childcategory->category_nicename.'" rel="bookmark">
                     '.$childcategory->cat_name.'   </a></h1>
            </header><!-- .entry-header -->


         </article><!-- #post-## -->
      </div>';
   }
}


function check_cat_children() {
   global $wpdb;
   $term = get_queried_object();
   $check = $wpdb->get_results(" SELECT * FROM rs789_term_taxonomy WHERE parent = '$term->term_id' ");
   if ($check) {
      return true;
   } else {
      return false;
   }
}




if (!check_cat_children()) {
   ?>
   <div id="primary-home" class="content-area">
      <h2 id="page-title"><?php single_cat_title(); ?></h2>
         <main id="main" class="site-main" role="main">


            <?php while ( have_posts() ) : the_post(); ?>


               <?php get_template_part( 'content', 'home' ); ?>


               <?php
                  // If comments are open or we have at least one comment, load up the comment template
                  if ( comments_open() || '0' != get_comments_number() )
                     comments_template();
               ?>


            <?php endwhile; // end of the loop. ?>


            <?php sixteen_pagination(); ?>
         </main>
   </div>


      <?PHP
}


?>






<?php get_sidebar('footer'); ?>
<?php get_footer(); ?>