how to change title tag of widget in wordpress
function my_custom_widget_title_tag( $params ) {
$params[0]['before_title'] = '<h4 class="widget-title widgettitle">' ;
$params[0]['after_title'] = '</h4>' ;
return $params;
}
add_filter( 'dynamic_sidebar_params' , 'my_custom_widget_title_tag' );