0, 'max' => 10, 'step' => 1 ); $args = wp_parse_args( $args, $defaults ); $this->min = $args['min']; $this->max = $args['max']; $this->step = $args['step']; } public function render_content() { ?> label ); ?> link(); ?> value="value() ); ?>" oninput="jQuery(this).next('input').val( jQuery(this).val() )">