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<?php |
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/** |
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* Jetpack_Google_Analytics_Universal hooks and and enqueues support for analytics.js |
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* https://developers.google.com/analytics/devguides/collection/analyticsjs/ |
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* https://developers.google.com/analytics/devguides/collection/analyticsjs/enhanced-ecommerce |
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* |
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* @author allendav |
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*/ |
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/** |
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* Bail if accessed directly |
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*/ |
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if ( ! defined( 'ABSPATH' ) ) { |
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exit; |
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} |
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class Jetpack_Google_Analytics_Universal { |
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public function __construct() { |
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add_filter( 'jetpack_wga_universal_commands', array( $this, 'maybe_anonymize_ip' ) ); |
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add_filter( 'jetpack_wga_universal_commands', array( $this, 'maybe_track_purchases' ) ); |
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add_action( 'wp_head', array( $this, 'wp_head' ), 999999 ); |
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// For attaching to a button click on a single product view |
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add_action( 'woocommerce_after_add_to_cart_button', array( $this, 'add_to_cart' ) ); |
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// For attaching to button clicks on multi-product views |
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add_action( 'wp_footer', array( $this, 'loop_add_to_cart' ) ); |
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add_action( 'wp_footer', array( $this, 'wp_footer' ) ); |
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} |
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public function wp_head() { |
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$tracking_code = Jetpack_Google_Analytics_Options::get_tracking_code(); |
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if ( empty( $tracking_code ) ) { |
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echo "<!-- No tracking ID configured for Jetpack Google Analytics -->\r\n"; |
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return; |
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} |
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// If we're in the admin_area, return without inserting code. |
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if ( is_admin() ) { |
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return; |
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} |
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/** |
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* Allow for additional elements to be added to the universal Google Analytics queue (ga) array |
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* |
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* @since 5.6.0 |
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* |
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* @param array $custom_vars Array of universal Google Analytics queue elements |
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*/ |
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$universal_commands = apply_filters( 'jetpack_wga_universal_commands', array() ); |
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$async_code = " |
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<!-- Jetpack Google Analytics --> |
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<script> |
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window.ga = window.ga || function(){ ( ga.q = ga.q || [] ).push( arguments ) }; ga.l=+new Date; |
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ga( 'create', '%tracking_id%', 'auto' ); |
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ga( 'require', 'ec' ); |
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%universal_commands% |
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</script> |
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<script async src='https://www.google-analytics.com/analytics.js'></script> |
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<!-- End Jetpack Google Analytics --> |
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"; |
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$async_code = str_replace( '%tracking_id%', $tracking_code, $async_code ); |
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$universal_commands_string = implode( "\r\n", $universal_commands ); |
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$async_code = str_replace( '%universal_commands%', $universal_commands_string, $async_code ); |
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echo "$async_code\r\n"; |
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} |
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public function maybe_anonymize_ip( $command_array ) { |
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if ( Jetpack_Google_Analytics_Options::anonymize_ip_is_enabled() ) { |
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array_push( $command_array, "ga( 'set', 'anonymizeIp', true );" ); |
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} |
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return $command_array; |
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} |
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public function maybe_track_purchases( $command_array ) { |
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global $wp; |
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if ( ! Jetpack_Google_Analytics_Options::track_purchases_is_enabled() ) { |
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return $command_array; |
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} |
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if ( ! class_exists( 'WooCommerce' ) ) { |
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return $command_array; |
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} |
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$minimum_woocommerce_active = class_exists( 'WooCommerce' ) && version_compare( WC_VERSION, '3.0', '>=' ); |
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if ( ! $minimum_woocommerce_active ) { |
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return $command_array; |
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} |
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if ( ! is_order_received_page() ) { |
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return $command_array; |
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} |
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$order_id = isset( $wp->query_vars['order-received'] ) ? $wp->query_vars['order-received'] : 0; |
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if ( 0 == $order_id ) { |
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return $command_array; |
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} |
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// A 1 indicates we've already tracked this order - don't do it again |
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if ( 1 == get_post_meta( $order_id, '_ga_tracked', true ) ) { |
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return $command_array; |
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} |
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$order = new WC_Order( $order_id ); |
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$order_currency = $order->get_currency(); |
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$command = "ga( 'set', '&cu', '" . esc_js( $order_currency ) . "' );"; |
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array_push( $command_array, $command ); |
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// Order items |
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if ( $order->get_items() ) { |
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foreach ( $order->get_items() as $item ) { |
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$product = $order->get_product_from_item( $item ); |
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$sku_or_id = $product->get_sku() ? $product->get_sku() : '#' . $product->get_id(); |
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$item_details = array( |
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'id' => $sku_or_id, |
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'name' => $item['name'], |
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'category' => Jetpack_Google_Analytics_Utils::get_product_categories_concatenated( $product ), |
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'price' => $order->get_item_total( $item ), |
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'quantity' => $item['qty'], |
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); |
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$command = "ga( 'ec:addProduct', " . wp_json_encode( $item_details ) . " );"; |
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array_push( $command_array, $command ); |
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} |
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} |
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// Order summary |
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$summary = array( |
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'id' => $order->get_order_number(), |
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'affiliation' => get_bloginfo( 'name' ), |
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'revenue' => $order->get_total(), |
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'tax' => $order->get_total_tax(), |
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'shipping' => $order->get_total_shipping() |
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); |
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$command = "ga( 'ec:setAction', 'purchase', " . wp_json_encode( $summary ) . " );"; |
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array_push( $command_array, $command ); |
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update_post_meta( $order_id, '_ga_tracked', 1 ); |
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return $command_array; |
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} |
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public function add_to_cart() { |
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if ( ! Jetpack_Google_Analytics_Options::track_add_to_cart_is_enabled() ) { |
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return; |
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} |
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if ( ! is_single() ) { |
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return; |
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} |
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global $product; |
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$product_sku_or_id = $product->get_sku() ? $product->get_sku() : '#' . $product->get_id(); |
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$selector = ".single_add_to_cart_button"; |
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wc_enqueue_js( |
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"jQuery( function( $ ) { |
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$( '" . esc_js( $selector ) . "' ).click( function() { |
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var productDetails = { |
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'id': '" . esc_js( $product_sku_or_id ) . "', |
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'name' : '" . esc_js( $product->get_title() ) . "', |
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'quantity': $( 'input.qty' ).val() ? $( 'input.qty' ).val() : '1', |
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}; |
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ga( 'ec:addProduct', productDetails ); |
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ga( 'ec:setAction', 'add' ); |
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ga( 'send', 'event', 'UX', 'click', 'add to cart' ); |
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} ); |
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} );" |
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); |
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} |
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public function loop_add_to_cart() { |
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if ( ! Jetpack_Google_Analytics_Options::track_add_to_cart_is_enabled() ) { |
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return; |
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} |
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if ( ! class_exists( 'WooCommerce' ) ) { |
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return; |
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} |
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$minimum_woocommerce_active = class_exists( 'WooCommerce' ) && version_compare( WC_VERSION, '3.0', '>=' ); |
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if ( ! $minimum_woocommerce_active ) { |
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return; |
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} |
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$selector = ".add_to_cart_button:not(.product_type_variable, .product_type_grouped)"; |
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wc_enqueue_js( |
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"jQuery( function( $ ) { |
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$( '" . esc_js( $selector ) . "' ).click( function() { |
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var productSku = $( this ).data( 'product_sku' ); |
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var productID = $( this ).data( 'product_id' ); |
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var productDetails = { |
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'id': productSku ? productSku : '#' + productID, |
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'quantity': $( this ).data( 'quantity' ), |
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}; |
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ga( 'ec:addProduct', productDetails ); |
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ga( 'ec:setAction', 'add' ); |
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ga( 'send', 'event', 'UX', 'click', 'add to cart' ); |
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} ); |
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} );" |
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); |
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} |
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public function wp_footer() { |
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if ( ! Jetpack_Google_Analytics_Options::has_tracking_code() ) { |
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return; |
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} |
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if ( is_admin() ) { |
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return; |
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} |
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$async_code = " |
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<!-- Jetpack Google Analytics --> |
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<script> |
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ga( 'send', 'pageview' ); |
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</script> |
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<!-- End Jetpack Google Analytics --> |
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"; |
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echo "$async_code\r\n"; |
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} |
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} |
Automattic /
jetpack
