# activitypub/9.2.2/integration/load.php

ActivityPub, version 9.2.2. 226 lines.

- Page: https://pluginprobe.com/plugins/activitypub/9.2.2/code/integration/load.php
- Raw: https://pluginprobe.com/plugins/activitypub/9.2.2/raw/integration/load.php
- Modified: 2026-07-31T14:59:10+00:00

Line numbers below start at 1. Link to a line or a range by appending a fragment to the
page URL, for example `https://pluginprobe.com/plugins/activitypub/9.2.2/code/integration/load.php#L10-L20`.

```php
<?php
/**
 * Load the ActivityPub integrations.
 *
 * @package Activitypub
 */

namespace Activitypub\Integration;

use Activitypub\Autoloader;

use function Activitypub\site_supports_blocks;

Autoloader::register_path( __NAMESPACE__, __DIR__ );

/**
 * Initialize the ActivityPub integrations.
 */
function plugin_init() {
	/**
	 * Adds Akismet support.
	 *
	 * This class handles the compatibility with the Akismet plugin.
	 *
	 * @see https://wordpress.org/plugins/akismet/
	 */
	if ( \defined( 'AKISMET_VERSION' ) ) {
		Akismet::init();
	}

	/**
	 * Adds Classic Editor support.
	 *
	 * This class handles the compatibility with the Classic Editor plugin
	 * and sites without block editor support.
	 *
	 * @see https://wordpress.org/plugins/classic-editor/
	 */
	if ( \class_exists( '\Classic_Editor' ) || \function_exists( 'classicpress_version' ) || ! site_supports_blocks() ) {
		Classic_Editor::init();
	}

	/**
	 * Adds Enable Mastodon Apps support.
	 *
	 * This class handles the compatibility with the Enable Mastodon Apps plugin.
	 *
	 * @see https://wordpress.org/plugins/enable-mastodon-apps/
	 */
	if ( \defined( 'ENABLE_MASTODON_APPS_VERSION' ) ) {
		Enable_Mastodon_Apps::init();
	}

	/**
	 * Adds Jetpack support.
	 *
	 * This class handles the compatibility with Jetpack.
	 *
	 * @see https://jetpack.com/
	 */
	if ( \defined( 'JETPACK__VERSION' ) ) {
		Jetpack::init();
	}

	/**
	 * Adds LiteSpeed Cache support.
	 *
	 * The check for whether LiteSpeed Cache is loaded and initialized happens inside Litespeed_Cache::init().
	 *
	 * @see https://wordpress.org/plugins/litespeed-cache/
	 */
	Litespeed_Cache::init();

	/**
	 * Adds Multisite Language Switcher support.
	 *
	 * This class handles the compatibility with the Multisite Language Switcher plugin.
	 *
	 * @see https://wordpress.org/plugins/multisite-language-switcher/
	 */
	if ( \defined( 'MSLS_PLUGIN_VERSION' ) ) {
		Multisite_Language_Switcher::init();
	}

	/**
	 * Adds NodeInfo (plugin) support.
	 *
	 * This class handles the compatibility with the NodeInfo plugin
	 * and coordinates the internal NodeInfo implementation.
	 *
	 * @see https://wordpress.org/plugins/nodeinfo/
	 */
	Nodeinfo::init();

	/**
	 * Adds OpenGraph support.
	 *
	 * This class handles the compatibility with the OpenGraph plugin.
	 *
	 * @see https://wordpress.org/plugins/opengraph/
	 */
	if ( '1' === \get_option( 'activitypub_use_opengraph', '1' ) ) {
		Opengraph::init();
	}

	/**
	 * Adds Podlove Podcast Publisher support.
	 *
	 * This class handles the compatibility with Podlove Podcast Publisher.
	 *
	 * @see https://wordpress.org/plugins/podlove-podcasting-plugin-for-wordpress/
	 */
	if ( \defined( 'Podlove\PLUGIN_FILE' ) ) {
		// Enable ActivityPub support for the podcast post type.
		\add_post_type_support( 'podcast', 'activitypub' );

		\add_filter(
			'activitypub_transformer',
			static function ( $transformer, $data, $object_class ) {
				if (
					'WP_Post' === $object_class &&
					'podcast' === $data->post_type &&
					\Podlove\Model\Episode::find_one_by_post_id( $data->ID )
				) {
					return new Podlove_Podcast_Publisher( $data );
				}
				return $transformer;
			},
			10,
			3
		);
	}

	/**
	 * Adds Seriously Simple Podcasting support.
	 *
	 * This class handles the compatibility with Seriously Simple Podcasting.
	 *
	 * @see https://wordpress.org/plugins/seriously-simple-podcasting/
	 */
	if ( \defined( 'SSP_VERSION' ) ) {
		\add_filter(
			'activitypub_transformer',
			static function ( $transformer, $data, $object_class ) {
				if (
					'WP_Post' === $object_class &&
					\get_post_meta( $data->ID, 'audio_file', true )
				) {
					return new Seriously_Simple_Podcasting( $data );
				}
				return $transformer;
			},
			10,
			3
		);
	}

	/**
	 * Adds Stream support.
	 *
	 * This class handles the compatibility with the Stream plugin.
	 *
	 * @see https://wordpress.org/plugins/stream/
	 */
	Stream\Stream::init();

	/**
	 * Adds Surge support.
	 *
	 * Only load code that needs Surge to run once Surge is loaded and initialized.
	 *
	 * @see https://wordpress.org/plugins/surge/
	 */
	Surge::init();

	/**
	 * Adds WebFinger (plugin) support.
	 *
	 * This class handles the compatibility with the WebFinger plugin
	 * and coordinates the internal WebFinger implementation.
	 *
	 * @see https://wordpress.org/plugins/webfinger/
	 */
	Webfinger::init();

	/**
	 * Adds WPML Multilingual CMS (plugin) support.
	 *
	 * This class handles the compatibility with the WPML plugin.
	 *
	 * @see https://wpml.org/
	 */
	if ( \defined( 'ICL_SITEPRESS_VERSION' ) ) {
		WPML::init();
	}

	/**
	 * Adds Yoast SEO support.
	 *
	 * This class handles the compatibility with Yoast SEO.
	 *
	 * @see https://wordpress.org/plugins/wordpress-seo/
	 */
	if ( \defined( 'WPSEO_VERSION' ) ) {
		Yoast_Seo::init();
	}
}
\add_action( 'plugins_loaded', __NAMESPACE__ . '\plugin_init' );

// Register activation and deactivation hooks for Surge integration.
\register_activation_hook( ACTIVITYPUB_PLUGIN_FILE, array( __NAMESPACE__ . '\Surge', 'add_cache_config' ) );
\register_deactivation_hook( ACTIVITYPUB_PLUGIN_FILE, array( __NAMESPACE__ . '\Surge', 'remove_cache_config' ) );

// Register activation and deactivation hooks for LiteSpeed Cache integration.
\register_activation_hook( ACTIVITYPUB_PLUGIN_FILE, array( __NAMESPACE__ . '\LiteSpeed_Cache', 'add_htaccess_rules' ) );
\register_deactivation_hook( ACTIVITYPUB_PLUGIN_FILE, array( __NAMESPACE__ . '\LiteSpeed_Cache', 'remove_htaccess_rules' ) );

/**
 * Load the BuddyPress integration.
 *
 * Only load code that needs BuddyPress to run once BP is loaded and initialized.
 *
 * @see https://buddypress.org/
 */
\add_action( 'bp_include', array( __NAMESPACE__ . '\Buddypress', 'init' ), 0 );

```