: str_replace(): Passing null to parameter #2 ($replace) of type array|string is deprecated in
namespace AMPforWP\AMPVendor;
if ( ! defined( 'ABSPATH' ) ) {
add_action( 'pre_amp_render_post', 'AMPforWP\\AMPVendor\\amp_jetpack_mods' );
* Disable Jetpack features that are not compatible with AMP.
function amp_jetpack_mods() {
if ( class_exists('Jetpack') ) {
if ( \Jetpack::is_module_active( 'stats' ) ) {
add_action( 'amp_post_template_footer', 'AMPforWP\\AMPVendor\\jetpack_amp_add_stats_pixel' );
amp_jetpack_disable_sharing();
amp_jetpack_disable_related_posts();
function amp_jetpack_disable_sharing() {
add_filter( 'sharing_show', '__return_false', 100 );
* Remove the Related Posts placeholder and headline that gets hooked into the_content
* That placeholder is useless since we can't ouput, and don't want to output Related Posts in AMP.
function amp_jetpack_disable_related_posts() {
if ( class_exists( 'Jetpack_RelatedPosts' ) ) {
$jprp = \Jetpack_RelatedPosts::init();
remove_filter( 'the_content', array( $jprp, 'filter_add_target_to_dom' ), 40 );
function jetpack_amp_add_stats_pixel( $amp_template ) {
if ( ! has_action( 'wp_footer', array( 'Automattic\Jetpack\Stats\Tracking_Pixel', 'add_amp_pixel' ) ) ) {
<amp-pixel src="<?php echo esc_url( jetpack_amp_build_stats_pixel_url() ); ?>"></amp-pixel>
* Generate the stats pixel.
* https://pixel.wp.com/g.gif?v=ext&j=1%3A3.9.1&blog=1234&post=5678&tz=-4&srv=example.com&host=example.com&ref=&rand=0.4107963021218808
function jetpack_amp_build_stats_pixel_url() {
if ( method_exists('Automattic\Jetpack\Stats\Tracking_Pixel', 'build_view_data') ) {
$data = \Automattic\Jetpack\Stats\Tracking_Pixel::build_view_data();
$blog = \Jetpack_Options::get_option( 'id' );
$tz = get_option( 'gmt_offset' );
$blog_url = parse_url( site_url() );
$srv = $blog_url['host'];
$j = sprintf( '%s:%s', JETPACK__API_VERSION, JETPACK__VERSION );
$post = $wp_the_query->get_queried_object_id();
$data = compact( 'v', 'j', 'blog', 'post', 'tz', 'srv' );
$data['host'] = rawurlencode( AMPFROWP_HOST_NAME );
$data['rand'] = 'RANDOM'; // amp placeholder
$data['ref'] = 'DOCUMENT_REFERRER'; // amp placeholder
$data = array_map( 'rawurlencode' , $data );
return add_query_arg( $data, 'https://pixel.wp.com/g.gif' );