WP_Widget_Block::update() WordPress Method

The WP_Widget_Block::update() method is responsible for saving the widget block settings. This method is called when the widget block is first created and whenever the settings are updated. The settings are saved as an array in the database.

WP_Widget_Block::update( array $new_instance, array $old_instance ) #

	public function update( $new_instance, $old_instance ) {
		$instance = array_merge( $this->default_instance, $old_instance );

		if ( current_user_can( 'unfiltered_html' ) ) {
			$instance['content'] = $new_instance['content'];
		} else {
			$instance['content'] = wp_kses_post( $new_instance['content'] );
		}

		return $instance;
	}