erstes wort bold in der navigation

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<?php
// a hack to style a page list // alchymyth 2010 
// allows to style first word in page name different, i.e. bold; 
// only level one, no child pages
// has class 'current_page_item' 
$list = wp_list_pages('echo=0&title_li=&depth=1'); // page list as string
$list = explode('</a></li>',$list); // break into individual elements
$length = count($list);
foreach($list as $list_element) {
  $list_element = explode('page-item-',$list_element); 
  $p_id = explode('">',$list_element[1]); // extract the page id from the list element
  $p_name = $p_id[2]; // extract page name from the list element
  $p_name_1 = explode(' ',$p_name); // extract first word from page name
  if($p_name == $p_name_1[0]) {  
    $p_name = '<strong>'.$p_name.'</strong>';
    // assign 'bold' to the first word of the page name, if it is only one word; re-assemble page name
  } else { 
    $p_name = '<strong>' . str_replace($p_name_1[0].' ',$p_name_1[0].' </strong>',$p_name);  
    // assign 'bold' to the first word of page name; re-assemble page name
  }
  $list_item = $list_element[0].' page-'.$p_id[0].'">'.$p_id[1].'">'.$p_name.$p_id[3].'</a></li>'; // re-assemble list element
  $length--; if($length == 0) { continue; } // skip empty last element
  echo $list_item; // output list element
} // end of foreach loop
?>
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