alle metadaten im post-header

function art_get_post_title() {
    global $post;
    $post_title = get_the_title();
    $art_page_title_show = get_post_meta($post->ID, '_art_page_title_show', true);
    if ($art_page_title_show == 'false' || $post_title == ''){
        return '';
    }
    return art_parse_template("post_title", array(
      'post_link'       =>   get_permalink($post->ID),
        'post_link_title' =>   sprintf(__('Permanent Link to %s', THEME_NS), the_title_attribute('echo=0')),
        'post_title'      =>   get_the_title(),
        'template_url'    =>   get_bloginfo('template_url')
        ));
}


function art_get_post_icon($name){
    return art_parse(art_option('metadata.'.$name), array('template_url' => get_bloginfo('template_url')));
}


if (!function_exists('get_the_date')) {
    function get_the_date($format = 'F jS, Y') {
        return get_the_time(__($format, THEME_NS));
    }
}


function art_get_post_metadata($name) {
    global $post;
    $list = art_option('metadata.'.$name);
    $title = ($name == 'header' && art_option('metadata.title'));
    if (!$title && $list == "") return;
    $list_array =  explode(",", $list);
    $result = array();
    for($i = 0; $i < count($list_array); $i++){
        $icon = $list_array[$i];
        switch($icon){
            case 'date':
                if(is_page()) break;
                $result[] = art_get_post_icon($icon) . get_the_date();
            break;
            case 'author':
                 if(is_page()) break;
                 ob_start();
                 the_author_posts_link();
                 $result[] = art_get_post_icon($icon) . __('Author', THEME_NS) .' '. ob_get_clean();
            break;
            case 'category':
                if(is_page()) break;
                 $result[] = art_get_post_icon($icon) .sprintf(__('Kategorien %s', THEME_NS), get_the_category_list(', '));
            break;
            case 'tag':
                if(is_page() || !get_the_tags()) break;
                ob_start();
                the_tags(__('Tags:', THEME_NS) . ' ', ', ', ' ');
                $result[] = art_get_post_icon($icon) . ob_get_clean();
            break;
            case 'comments':
            if(is_page() || is_single()) break;
                ob_start();
                comments_popup_link(__('No Comments »', THEME_NS), __('1 Comment »', THEME_NS), __('% Comments »', THEME_NS), '', __('Comments Closed', THEME_NS) );
                $result[] = art_get_post_icon($icon) . ob_get_clean();
            break;
            case 'edit':
                if (!current_user_can('edit_post', $post->ID)) break;
                ob_start();
                 edit_post_link(__('Edit', THEME_NS), '');
                $result[] = art_get_post_icon($icon) . ob_get_clean();
            break;
        }
    }
    $post_title = art_get_post_title();
    if ( ($title && strlen($post_title) > 0) || count($result) > 0 )
        return art_parse_template("post_metadata".$name, array(
        'post_title'         =>   $post_title,
        'post'.$name.'icons' =>   implode(art_option('metadata.separator'), $result)));
    return  '';
}


function art_post(){
  the_post(); 
  $class = function_exists('get_post_class') ? implode(' ', get_post_class()) : '';
    $id = get_the_ID();
    if($id != ''){
    $id = 'post-' . $id;
    }
    art_post_box('', art_get_post_content(), $id, $class, array(
    'post_title'          =>   art_option('metadata.title') ? '' : art_get_post_title(),
      'post_thumbnail'      =>   art_get_post_thumbnail(),
        'post_metadataheader' =>   art_get_post_metadata('header'),
        'post_metadatafooter' =>   art_get_post_metadata('footer')
    ));
}


function art_post_box($title, $content, $id = '', $class = '', $args = array()){
  if ($title != "") {
        $title = '<h2 class="art-postheader">'. $title . '</h2>';
    }
    if (art_option('metadata.title')) {
        $content = $title . $content;
        $title = '';
    }
    if ($class != '') {
    $class = ' ' .$class;
    }
    if($id != ''){
    $id = 'id="' . $id. '"';
    }
    echo art_parse_template("post", array_merge(array(
        'post_class'          =>   $class,
        'post_id'             =>   $id,
        'post_thumbnail'      =>   '',
        'post_title'          =>   $title,
        'post_metadataheader' =>   '',
        'post_content'        =>   $content,
        'post_metadatafooter' =>   ''), $args));
}