stats = array(); add_action( 'pre_get_posts', array( $this, 'begin_log_query' ), 10, 1 ); add_action( 'did_jetpack_search_query', array( $this, 'log_jetpack_search_query' ) ); add_filter( 'found_posts', array( $this, 'log_mysql_query' ), 10, 2 ); add_action( 'wp_footer', array( $this, 'print_stats' ) ); } public function begin_log_query( $query ) { if ( $this->should_log_query( $query ) ) { $this->query_started = microtime( true ); $this->current_query = $query; } } public function log_mysql_query( $found_posts, $query ) { if ( $this->current_query === $query ) { $duration = microtime( true ) - $this->query_started; if ( $duration < 60 ) { // eliminate outliers, likely tracking errors $this->record_query_time( $duration, false ); } $this->reset_query_state(); } return $found_posts; } public function log_jetpack_search_query() { $duration = microtime( true ) - $this->query_started; if ( $duration < 60 ) { // eliminate outliers, likely tracking errors $this->record_query_time( $duration, true ); } $this->reset_query_state(); } private function reset_query_state() { $this->query_started = null; $this->current_query = null; } private function should_log_query( $query ) { return $query->is_main_query() && $query->is_search(); } private function record_query_time( $duration, $was_jetpack_search ) { $this->stats[] = array( $was_jetpack_search, intval( $duration * 1000 ) ); } public function print_stats() { $beacons = array(); if ( ! empty( $this->stats ) ) { foreach( $this->stats as $stat ) { $search_type = $stat[0] ? 'es' : 'mysql'; $beacons[] = "%22jetpack.search.{$search_type}.duration:{$stat[1]}|ms%22"; } $encoded_json = '{%22beacons%22:[' . implode(',', $beacons ) . ']}'; $encoded_site_url = urlencode( site_url() ); $url = "https://pixel.wp.com/boom.gif?v=0.9&u={$encoded_site_url}&json={$encoded_json}"; echo ''; } } }