'', 'title_center' => '', 'perpage' => '4', ), $atts)); $args = array( 'post_type' => 'post', 'posts_per_page' => $perpage, ); $loop = new WP_Query( $args); wp_reset_postdata(); if ($title_center == "title_center") { $class_extra = "book-center"; }else{ $class_extra = ""; } ?>

have_posts()) {?>

'; } ?>