Excerpt in Wordpress integrieren - Hilfe!

<?php
 // Whether current WordPress query has results to loop over
 if ( have_posts() ) {
  
  do_action( 'MEINTHEME_search_query_result' );
  
  $defaults = array(
   'tag'        => 'header',
   'class'      => 'page-header',
   'before_txt' => '<h1 class="page_title">',
   'txt'        => sprintf( 
    __( 'Suchergebnis für: %s', 'MEINTHEME' ),
    '<span class="suchbegriff">' . get_search_query() . '</span>'
   ),
   'after_txt'  => '</h1>'
  );
  
  $args = wp_parse_args( $args = array(), apply_filters( 'MEINTHEME_search_title', $defaults ) );
  
  // check for class param
  if ( ! empty( $args['class'] ) )
   $class = ' class="' . $args['class'] . '"';
  
  // check for param tag, if empty, don't generate markup
  if ( ! empty( $args['tag'] ) ) {
   $title = '<' . $args['tag'] . $class . '>' . $args['before_txt'] . $args['txt'] . $args['after_txt'] . '</' . $args['tag'] . '>';
  } else {
   $title = $args['before_txt'] . $args['txt'] . $args['after_txt'];
  }
  
  echo $title;
  
  /* Start the Loop */
  while ( have_posts() ) : 
   the_post();
   
   /**
    * If you want to overload this in a child theme then include a file
    * called content-search.php and that will be used instead.
    */
   get_template_part( 'parts/content', 'search' );
   
  endwhile;
 
 // if the loop has no results
 } else {
  /**
   * Include the template for the loop dosn't find and result
   * If you will overwrite this in in a child theme the include a file
   * called no-results-search.php and that will be used instead.
   */
  get_template_part( 'parts/no-results', 'search' );
  
 } // endif
 ?>
 
  </div> <?php // end #content ?>
 </section> <?php // end section #primary
 
 do_action( 'MEINTHEME_search_after_content' );
 ?>

<?php
 
 do_action( 'MEINTHEME_index_before_content' );
 
 // Whether current WordPress query has results to loop over
 if ( have_posts() ) {
 
  /* Start the Loop */
  while ( have_posts() ) : 
   the_post();
   
   /**
    * Include the Post-Format-specific template for the content.
    * If you want to overload this in a child theme then include a file
    * called content-___.php (where ___ is the Post Format name) and that will be used instead.
    */
   get_template_part( 'parts/content', get_post_format() );
   
  endwhile;
 
 // if the loop has no results
 } else {
  /**
   * Include the template for the loop dosn't find and result
   * If you will overwrite this in in a child theme the include a file
   * called no-results-index.php and that will be used instead.
   */
  get_template_part( 'parts/no-results', 'index' );
  
 } // endif
 
 do_action( 'wp_MEINTHEME_index_after_content' );
?>

<?php
/**
 * The default content template file
 */
?>
<?php
/**
 * The <article> element can be used to enclose content 
 * that still makes sense on its own and is therefore "reusable"
 */
?>
<article id="post-<?php the_ID(); ?>" <?php post_class(); ?>>
 <?php
 /**
  * A <header> element is required 
  * here is the heading contains often a <h1> element in Loop
  */
 ?>
 <header>
  <h1><a href="<?php the_permalink() ?>" rel="bookmark"><?php the_title(); ?></a></h1>
 </header>
 
 <div class="entry-content">
   
   <?php
   the_content(
    the_title( '', '', FALSE ) . ' ' . __( 'read more &raquo;', 'MEINETHEME' )
   );
   wp_link_pages(
    array(
     'before' => '<nav class="page-link">' . __( '<span>Pages:</span>', 'MEINETHEME' ),
     'after' => '</nav>'
    )
   );
   
   do_action( 'MEINETHEME_content_after_content' );
   ?>
   
   <footer class="entry-meta">
   <?php if ( 'post' == $post->post_type ) : // Hide category and tag text for pages on Search ?>
    <span class="cat-links"><?php _e( 'Posted in', 'MEINETHEME' ); ?> <?php the_category( ', ' ); ?></span>
    <?php the_tags( '<span class="sep"> &middot; </span> <span class="tag-links"><span class="entry-utility-prep entry-utility-prep-tag-links">' . __( 'Tagged', 'MEINETHEME' ) . '</span> ', ', ', '</span>' ); ?>
   <?php endif; ?>
   
   <?php if ( comments_open() ) : ?>
    <span class="sep"> &nbsp; </span>
    <span class="comments-link"><?php comments_popup_link( __( '<span class="leave-reply">Beitrag kommentieren</span>', 'MEINETHEME' ), __( '<b>1</b> Antwort', 'MEINETHEME' ), __( '<b>%</b> Antworten', 'MEINETHEME' ) ); ?></span>
   <?php endif; ?>
   
   <?php edit_post_link( __( 'Seite Bearbeiten', 'MEINETHEME' ), '<span class="sep"> &nbsp; </span> <span class="edit-link">', '</span>' ); ?>
   </footer> <?php // end .entry-meta ?>
   
 </div> <?php // end .entry-content ?>
 
</article>