Artikelanzahl in Kategorie erhöhen

<?php
/**
 * The template for displaying Category Archive pages.
 *
 * @package WordPress
 * @subpackage Twenty_Ten
 * @since Twenty Ten 1.0
 */


get_header(); ?>


        <div id="container">
            <div id="content-archiv" role="main">
                <?php
                    $category_description = category_description();
                    if ( ! empty( $category_description ) )
                        echo '<div class="archive-meta">' . $category_description . '</div>';


                /* Run the loop for the category page to output the posts.
                 * If you want to overload this in a child theme then include a file
                 * called loop-category.php and that will be used instead.
                 */
                get_template_part( 'loop', 'category' );
                ?>
                
               


            </div><!-- #content -->
        </div><!-- #container -->








<?php get_footer(); ?>

// Filter hinzufügen
add_filter('request', 'set_post_per_page_for_cat');


function set_post_per_page_for_cat($vars) {


    // ID der Kategorie, bei der und deren Unterkategorien posts_per_page geändert werden sollen
    $cat = 1;


    // Anzahl der Posts
    $post_count = 10;


    // Aktuelle Kategorie
    $cur_category_slug = get_term_by( 'slug', $vars['category_name'], 'category' );
    $cur_category = $cur_category_slug->term_id;
    if ( $cat == $cur_category ) {
        // Wenn die Kategorie die zu Ändernde ist
        $vars['posts_per_archive_page'] = $post_count;
        return $vars;
    } else {
        $subcats=explode('/',get_category_children($cat));
        if( in_array($cur_category, $subcats) ){
            // Wenn die Kategorie eine Unterkategorie der zu Ändernden ist
            $vars['posts_per_archive_page'] = $post_count;
            return $vars;
        }
    }


    $vars['posts_per_archive_page']=get_option('posts_per_page');
    return $vars;
}