Automattic / jetpack

	 *

	 * @return void

	 */

	public function setup_filters() {

		add_filter( 'the_content', array( $this, 'add_image_placeholders' ), PHP_INT_MAX ); // Run this later, so other content filters have run, including image_add_wh on WP.com.

		add_filter( 'post_thumbnail_html', array( $this, 'add_image_placeholders' ), PHP_INT_MAX );

		add_filter( 'get_avatar', array( $this, 'add_image_placeholders' ), PHP_INT_MAX );

		add_filter( 'widget_text', array( $this, 'add_image_placeholders' ), PHP_INT_MAX );

		add_filter( 'get_image_tag', array( $this, 'add_image_placeholders' ), PHP_INT_MAX );

		add_filter( 'wp_get_attachment_image_attributes', array( __CLASS__, 'process_image_attributes' ), PHP_INT_MAX );

	}

	/**

	 * Remove filters.

	 *

	 * @return void

	 */

	public function remove_filters() {

		remove_filter( 'the_content', array( $this, 'add_image_placeholders' ), PHP_INT_MAX );

		remove_filter( 'post_thumbnail_html', array( $this, 'add_image_placeholders' ), PHP_INT_MAX );

		remove_filter( 'get_avatar', array( $this, 'add_image_placeholders' ), PHP_INT_MAX );

		remove_filter( 'widget_text', array( $this, 'add_image_placeholders' ), PHP_INT_MAX );

		remove_filter( 'get_image_tag', array( $this, 'add_image_placeholders' ), PHP_INT_MAX );

		remove_filter( 'wp_get_attachment_image_attributes', array( __CLASS__, 'process_image_attributes' ), PHP_INT_MAX );

	}

	/**

	 * Ensure that our lazy image attributes are not filtered out of image tags.