'home', 'size' => '' ), $atts ) ); if ( $size ) { $size = ' fa-'.$size; } else{ $size = ''; } return ''; } add_shortcode( 'wpfa', 'wp_fa_shortcode' ); add_filter('wp_nav_menu_items', 'do_shortcode'); add_filter('widget_text', 'do_shortcode'); add_filter('widget_title', 'do_shortcode'); function wpfa_add_shortcode_to_title( $title ){ return do_shortcode($title); } add_filter( 'the_title', 'wpfa_add_shortcode_to_title' );