%1$s directory, but it needs to be placed in a directory named %2$s. Please rename the directory. This is important for WordPress plugin auto-updates.', 'amp' ),
$actual_slug,
'amp'
)
);
?>
endpoints as $index => $endpoint ) {
if ( amp_get_slug() === $endpoint[1] ) {
unset( $wp_rewrite->endpoints[ $index ] );
break;
}
}
flush_rewrite_rules();
}
/*
* Register AMP scripts regardless of whether AMP is enabled or it is the AMP endpoint
* for the sake of being able to use AMP components on non-AMP documents ("dirty AMP").
*/
add_action( 'wp_default_scripts', 'amp_register_default_scripts' );
// Ensure async and custom-element/custom-template attributes are present on script tags.
add_filter( 'script_loader_tag', 'amp_filter_script_loader_tag', PHP_INT_MAX, 2 );
// Ensure crossorigin=anonymous is added to font links.
add_filter( 'style_loader_tag', 'amp_filter_font_style_loader_tag_with_crossorigin_anonymous', 10, 4 );
/**
* Set up AMP.
*
* This function must be invoked through the 'after_setup_theme' action to allow
* the AMP setting to declare the post types support earlier than plugins/theme.
*
* @since 0.6
*/
function amp_after_setup_theme() {
amp_get_slug(); // Ensure AMP_QUERY_VAR is set.
/**
* Filters whether AMP is enabled on the current site.
*
* Useful if the plugin is network activated and you want to turn it off on select sites.
*
* @since 0.2
*/
if ( false === apply_filters( 'amp_is_enabled', true ) ) {
return;
}
add_action( 'init', 'amp_init', 0 ); // Must be 0 because widgets_init happens at init priority 1.
}
add_action( 'after_setup_theme', 'amp_after_setup_theme', 5 );
/**
* Init AMP.
*
* @since 0.1
*/
function amp_init() {
/**
* Triggers on init when AMP plugin is active.
*
* @since 0.3
*/
do_action( 'amp_init' );
add_rewrite_endpoint( amp_get_slug(), EP_PERMALINK );
add_filter( 'allowed_redirect_hosts', array( 'AMP_HTTP', 'filter_allowed_redirect_hosts' ) );
AMP_HTTP::purge_amp_query_vars();
AMP_HTTP::send_cors_headers();
AMP_HTTP::handle_xhr_request();
AMP_Theme_Support::init();
AMP_Validation_Manager::init();
AMP_Service_Worker::init();
add_action( 'init', array( 'AMP_Post_Type_Support', 'add_post_type_support' ), 1000 ); // After post types have been defined.
if ( defined( 'WP_CLI' ) && WP_CLI ) {
WP_CLI::add_command( 'amp', new AMP_CLI() );
}
add_filter( 'request', 'amp_force_query_var_value' );
add_action( 'admin_init', 'AMP_Options_Manager::register_settings' );
add_action( 'wp_loaded', 'amp_editor_core_blocks' );
add_action( 'wp_loaded', 'amp_post_meta_box' );
add_action( 'wp_loaded', 'amp_editor_core_blocks' );
add_action( 'wp_loaded', 'amp_add_options_menu' );
add_action( 'wp_loaded', 'amp_admin_pointer' );
add_action( 'parse_query', 'amp_correct_query_when_is_front_page' );
// Redirect the old url of amp page to the updated url.
add_filter( 'old_slug_redirect_url', 'amp_redirect_old_slug_to_new_url' );
if ( class_exists( 'Jetpack' ) && ! ( defined( 'IS_WPCOM' ) && IS_WPCOM ) && version_compare( JETPACK__VERSION, '6.2-alpha', '<' ) ) {
require_once AMP__DIR__ . '/jetpack-helper.php';
}
// Add actions for legacy post templates.
add_action( 'wp', 'amp_maybe_add_actions' );
/*
* Broadcast plugin updates.
* Note that AMP_Options_Manager::get_option( 'version', '0.0' ) cannot be used because
* version was new option added, and in that case default would never be used for a site
* upgrading from a version prior to 1.0. So this is why get_option() is currently used.
*/
$options = get_option( AMP_Options_Manager::OPTION_NAME, array() );
$old_version = isset( $options['version'] ) ? $options['version'] : '0.0';
if ( AMP__VERSION !== $old_version ) {
/**
* Triggers when after amp_init when the plugin version has updated.
*
* @param string $old_version Old version.
*/
do_action( 'amp_plugin_update', $old_version );
AMP_Options_Manager::update_option( 'version', AMP__VERSION );
}
}
/**
* Make sure the `amp` query var has an explicit value.
*
* This avoids issues when filtering the deprecated `query_string` hook.
*
* @since 0.3.3
*
* @param array $query_vars Query vars.
* @return array Query vars.
*/
function amp_force_query_var_value( $query_vars ) {
if ( isset( $query_vars[ amp_get_slug() ] ) && '' === $query_vars[ amp_get_slug() ] ) {
$query_vars[ amp_get_slug() ] = 1;
}
return $query_vars;
}
/**
* Conditionally add AMP actions or render the transitional mode template(s).
*
* If the request is for an AMP page and this is in 'canonical mode,' redirect to the non-AMP page.
* It won't need this plugin's template system, nor the frontend actions like the 'rel' link.
*
* @deprecated This function is not used when 'amp' theme support is added.
* @global WP_Query $wp_query
* @since 0.2
* @return void
*/
function amp_maybe_add_actions() {
// Short-circuit when theme supports AMP, as everything is handled by AMP_Theme_Support.
if ( current_theme_supports( AMP_Theme_Support::SLUG ) ) {
return;
}
// The remaining logic here is for transitional mode running in themes that don't support AMP, the template system in AMP<=0.6.
global $wp_query;
if ( ! ( is_singular() || $wp_query->is_posts_page ) || is_feed() ) {
return;
}
$is_amp_endpoint = is_amp_endpoint();
/**
* Queried post object.
*
* @var WP_Post $post
*/
$post = get_queried_object();
if ( ! post_supports_amp( $post ) ) {
if ( $is_amp_endpoint ) {
/*
* Temporary redirect is used for admin users because reader mode and AMP support can be enabled by user at any time,
* so they will be able to make AMP available for this URL and see the change without wrestling with the redirect cache.
*/
wp_safe_redirect( get_permalink( $post->ID ), current_user_can( 'manage_options' ) ? 302 : 301 );
exit;
}
return;
}
if ( $is_amp_endpoint ) {
// Prevent infinite URL space under /amp/ endpoint.
global $wp;
wp_parse_str( $wp->matched_query, $path_args );
if ( isset( $path_args[ amp_get_slug() ] ) && '' !== $path_args[ amp_get_slug() ] ) {
wp_safe_redirect( amp_get_permalink( $post->ID ), 301 );
exit;
}
amp_prepare_render();
} else {
amp_add_frontend_actions();
}
}
/**
* Fix up WP_Query for front page when amp query var is present.
*
* Normally the front page would not get served if a query var is present other than preview, page, paged, and cpage.
*
* @since 0.6
* @see WP_Query::parse_query()
* @link https://github.com/WordPress/wordpress-develop/blob/0baa8ae85c670d338e78e408f8d6e301c6410c86/src/wp-includes/class-wp-query.php#L951-L971
*
* @param WP_Query $query Query.
*/
function amp_correct_query_when_is_front_page( WP_Query $query ) {
$is_front_page_query = (
$query->is_main_query()
&&
$query->is_home()
&&
// Is AMP endpoint.
false !== $query->get( amp_get_slug(), false )
&&
// Is query not yet fixed uo up to be front page.
! $query->is_front_page()
&&
// Is showing pages on front.
'page' === get_option( 'show_on_front' )
&&
// Has page on front set.
get_option( 'page_on_front' )
&&
// See line in WP_Query::parse_query() at