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<?php
/**
* Copyright (c) Bytedance, Inc. and its affiliates. All Rights Reserved
*
* This source code is licensed under the license found in the
* LICENSE file in the root directory of this source tree.
*
* @package TikTok
*/
if ( ! defined( 'ABSPATH' ) ) {
die;
}
require_once __DIR__ . '/../utils/utilities.php';
class Tt4b_Pixel_Class {
// TTCLID Cookie name
const TTCLID_COOKIE = 'tiktok_ttclid';
const TTP_COOKIE = '_ttp';
private static $events = [];
/**
* Fires the view content event
*
* @return void
*/
public static function inject_view_content_event() {
// do not fire without woocommerce
if ( ! did_action( 'woocommerce_loaded' ) > 0 ) {
return;
}
$event = 'ViewContent';
$logger = new Logger();
$logger->log( __METHOD__, "hit $event" );
$mapi = new Tt4b_Mapi_Class( $logger );
global $post;
if ( ! isset( $post->ID ) ) {
return;
}
$fields = self::pixel_event_tracking_field_track( __METHOD__ );
if ( 0 === count( $fields ) ) {
return;
}
$product = wc_get_product( $post->ID );
$content_id = (string) $product->get_sku();
if ( '' === $content_id ) {
$content_id = (string) $product->get_id();
}
$content_type = 'product';
if ( $product->is_type( 'variable' ) ) {
$content_type = 'product_group';
}
$event_id = self::get_event_id( $content_id );
$content = self::get_properties_from_product( $product, 1, 0, Method::VIEWCONTENT );
$properties = [
'contents' => [
$content,
],
'content_type' => $content_type,
'currency' => get_woocommerce_currency(),
'value' => (float) $product->get_price(),
'event_trigger_source' => 'WooCommerce',
];
$user = self::get_user();
$hashed_email = $user['email'];
$hashed_phone = $user['phone'];
$url = '';
if ( isset( $_SERVER['HTTP_HOST'] ) && isset( $_SERVER['REQUEST_URI'] ) ) {
$url = esc_url_raw( wp_unslash( $_SERVER['HTTP_HOST'] ) . wp_unslash( $_SERVER['REQUEST_URI'] ) );
}
$page = [
'url' => $url,
];
$data = [
[
'event' => $event,
'event_id' => $event_id,
'event_time' => time(),
'user' => $user,
'properties' => $properties,
'page' => $page,
],
];
$params = [
'partner_name' => 'WooCommerce',
'event_source' => 'web',
'event_source_id' => $fields['pixel_code'],
'data' => $data,
];
// events API track
$mapi->mapi_post( 'event/track/', $fields['access_token'], $params, 'v1.3' );
// js pixel track
self::add_event( $event, $fields['pixel_code'], $properties, $hashed_email, $hashed_phone, $event_id );
}
/**
* Fires the add to cart event
*
* @param string $cart_item_key The cart item id
* @param string $product_id The product id
* @param string $quantity The quantity of products
* @param string $variation_id The variant id
*
* @return void
*/
public static function inject_add_to_cart_event( $cart_item_key, $product_id, $quantity, $variation_id ) {
// do not fire without woocommerce
if ( ! did_action( 'woocommerce_loaded' ) > 0 ) {
return;
}
$event = 'AddToCart';
$logger = new Logger();
$logger->log( __METHOD__, "hit $event" );
$mapi = new Tt4b_Mapi_Class( $logger );
$product = wc_get_product( $product_id );
$fields = self::pixel_event_tracking_field_track( __METHOD__ );
if ( 0 === count( $fields ) ) {
return;
}
$content_id = (string) $product->get_sku();
if ( '' === $content_id ) {
$content_id = (string) $product->get_id();
}
$content_type = 'product';
$content = self::get_properties_from_product( $product, 1, $variation_id, Method::ADDTOCART );
$event_id = self::get_event_id( $content_id );
$properties = [
'contents' => [
$content,
],
'content_type' => $content_type,
'currency' => get_woocommerce_currency(),
'value' => ( $content['price'] * (float) $quantity ),
'event_trigger_source' => 'WooCommerce',
];
$user = self::get_user();
$hashed_email = $user['email'];
$hashed_phone = $user['phone'];
$url = '';
if ( isset( $_SERVER['HTTP_HOST'] ) && isset( $_SERVER['REQUEST_URI'] ) ) {
$url = esc_url_raw( wp_unslash( $_SERVER['HTTP_HOST'] ) . wp_unslash( $_SERVER['REQUEST_URI'] ) );
}
$page = [
'url' => $url,
];
$data = [
[
'event' => $event,
'event_id' => $event_id,
'event_time' => time(),
'user' => $user,
'properties' => $properties,
'page' => $page,
],
];
$params = [
'partner_name' => 'WooCommerce',
'event_source' => 'web',
'event_source_id' => $fields['pixel_code'],
'data' => $data,
];
// events API track
$mapi->mapi_post( 'event/track/', $fields['access_token'], $params, 'v1.3' );
// js pixel track
self::add_event( $event, $fields['pixel_code'], $properties, $hashed_email, $hashed_phone, $event_id );
}
/**
* Fires the start checkout event
*
* @return void
*/
public static function inject_initiate_checkout_event() {
// do not fire without woocommerce
if ( ! did_action( 'woocommerce_loaded' ) > 0 ) {
return;
}
$event = 'InitiateCheckout';
$logger = new Logger();
$logger->log( __METHOD__, "hit $event" );
$mapi = new Tt4b_Mapi_Class( $logger );
// if registration required, and can't register in checkout and user not logged in, don't fire event
if ( ! WC()->checkout()->is_registration_enabled()
&& WC()->checkout()->is_registration_required()
&& ! is_user_logged_in()
) {
return;
}
$fields = self::pixel_event_tracking_field_track( __METHOD__ );
if ( 0 === count( $fields ) ) {
return;
}
$event_contents = [];
$value = 0;
$event_id = self::get_event_id( '' );
$content_type = 'product';
foreach ( WC()->cart->get_cart() as $cart_item ) {
$product = $cart_item['data'];
$quantity = (int) $cart_item['quantity'];
$variation_id = isset( $cart_item['variation_id'] ) ? $cart_item['variation_id'] : 0;
$content = self::get_properties_from_product( $product, $quantity, $variation_id, Method::STARTCHECKOUT );
$value += $content['price'] * $content['quantity'];
array_push( $event_contents, $content );
}
$user = self::get_user();
$hashed_email = $user['email'];
$hashed_phone = $user['phone'];
$url = '';
if ( isset( $_SERVER['HTTP_HOST'] ) && isset( $_SERVER['REQUEST_URI'] ) ) {
$url = esc_url_raw( wp_unslash( $_SERVER['HTTP_HOST'] ) . wp_unslash( $_SERVER['REQUEST_URI'] ) );
}
$page = [
'url' => $url,
];
$properties = [
'contents' => $event_contents,
'content_type' => $content_type,
'currency' => get_woocommerce_currency(),
'value' => $value,
'event_trigger_source' => 'WooCommerce',
];
$data = [
[
'event' => $event,
'event_id' => $event_id,
'event_time' => time(),
'user' => $user,
'properties' => $properties,
'page' => $page,
],
];
$params = [
'partner_name' => 'WooCommerce',
'event_source' => 'web',
'event_source_id' => $fields['pixel_code'],
'data' => $data,
];
// events API track
$mapi->mapi_post( 'event/track/', $fields['access_token'], $params, 'v1.3' );
// js pixel track
self::add_event( $event, $fields['pixel_code'], $properties, $hashed_email, $hashed_phone, $event_id );
}
/**
* Fires the purchase event
*
* @param string $order_id the order id
*
* @return void
*/
public static function inject_purchase_event( $order_id ) {
// do not fire without woocommerce
if ( ! did_action( 'woocommerce_loaded' ) > 0 ) {
return;
}
$event = 'Purchase';
$logger = new Logger();
$logger->log( __METHOD__, "hit $event" );
$mapi = new Tt4b_Mapi_Class( $logger );
$fields = self::pixel_event_tracking_field_track( __METHOD__ );
if ( 0 === count( $fields ) ) {
return;
}
$order = wc_get_order( $order_id );
if ( ! $order ) {
return;
}
// format of js and s2s payloads differ
$event_contents = [];
$value = 0;
$event_id = self::get_event_id( '' );
$content_type = 'product';
foreach ( $order->get_items() as $item ) {
$product = $item->get_product();
$quantity = $item->get_quantity();
$parent_product_id = $product->get_parent_id();
$content = self::get_properties_from_product( $product, $quantity, $parent_product_id, Method::PURCHASE );
$value += $content['price'] * $content['quantity'];
array_push( $event_contents, $content );
}
$user = self::get_user();
$hashed_email = $user['email'];
$hashed_phone = $user['phone'];
$url = '';
if ( isset( $_SERVER['HTTP_HOST'] ) && isset( $_SERVER['REQUEST_URI'] ) ) {
$url = esc_url_raw( wp_unslash( $_SERVER['HTTP_HOST'] ) . wp_unslash( $_SERVER['REQUEST_URI'] ) );
}
$page = [
'url' => $url,
];
$properties = [
'contents' => $event_contents,
'content_type' => $content_type,
'currency' => get_woocommerce_currency(),
'value' => $value,
'event_trigger_source' => 'WooCommerce',
];
$data = [
[
'event' => $event,
'event_id' => $event_id,
'event_time' => time(),
'user' => $user,
'properties' => $properties,
'page' => $page,
],
];
$params = [
'partner_name' => 'WooCommerce',
'event_source' => 'web',
'event_source_id' => $fields['pixel_code'],
'data' => $data,
];
// events API track
$mapi->mapi_post( 'event/track/', $fields['access_token'], $params, 'v1.3' );
// js pixel track
self::add_event( $event, $fields['pixel_code'], $properties, $hashed_email, $hashed_phone, $event_id );
}
/**
* Gets product property meta data.
*
* @param object $product the product.
* @param int $quantity the quantity.
* @param int $variation_id the variation_id.
* @param string $method the method.
*/
public static function get_properties_from_product( $product, $quantity, $variation_id, $method ) {
$content_id = (string) $product->get_sku();
if ( '' === $content_id ) {
$content_id = (string) $product->get_id();
}
if ( Method::PURCHASE === $method && $variation_id > 0 ) {
$parent_product = wc_get_product( $variation_id );
// check if parent_id matches variation id, update content_id according to method used in catalog sync.
$parent_id = $parent_product->get_sku();
if ( '' === $parent_id ) {
$parent_id = $parent_product->get_id();
}
$content_id = variation_content_id_helper( $method, $parent_id, $content_id, $product->get_id() );
}
$price = $product->get_price();
if ( Method::STARTCHECKOUT === $method ) {
$price = self::get_product_subtotal_as_float( $product );
}
$sale_price = $product->get_sale_price();
if ( '0' === $sale_price || '' === $sale_price ) {
$sale_price = $price;
}
$availability = 'IN_STOCK';
$stock_status = $product->is_in_stock();
if ( false === $stock_status ) {
$availability = 'OUT_OF_STOCK';
}
// variation_id will be > 0 if product variation is added, variation_id is post ID.
if ( Method::PURCHASE !== $method && Method::VIEWCONTENT !== $method && $variation_id > 0 ) {
$variation = wc_get_product( $variation_id );
// if variation sku is same as parent product id, update content_id to match synced SKU_ID synced during catalog sync.
$content_id = variation_content_id_helper( $method, $content_id, $variation->get_sku(), $variation_id );
// use variation price.
$price = $variation->get_price();
$sale_price = $variation->get_sale_price();
if ( Method::STARTCHECKOUT === $method ) {
WC()->cart->get_subtotal();
$price = self::get_product_subtotal_as_float( $variation );
}
if ( '0' === $sale_price || '' === $sale_price ) {
$sale_price = $price;
}
}
$content = [
'price' => (float) $price,
'quantity' => $quantity,
'content_id' => $content_id,
'content_name' => $product->get_name(),
'description' => $product->get_short_description(),
'availability' => $availability,
'sale_price' => (float) $sale_price,
'on_sale' => $product->is_on_sale(),
];
$review_count = $product->get_review_count();
if ( $review_count > 0 ) {
$content['review_count'] = $review_count;
$content['average_rating'] = (float) $product->get_average_rating();
}
$weight = $product->get_weight();
if ( '' !== $weight ) {
$content['weight'] = (float) $weight;
$content['weight_unit'] = 'KG';
}
return $content;
}
/**
* Gets the user param needed for view content, add to cart, start checkout, complete payment.
*/
public static function get_user() {
$pixel_obj = new Tt4b_Pixel_Class();
$current_user = wp_get_current_user();
$email = $current_user->user_email;
$external_id = (string) $current_user->ID;
$customer = new WC_Customer();
$phone_number = $customer->get_billing_phone();
$hashed_email = $pixel_obj->get_advanced_matching_hashed_info( $email );
// set empty hashed email / phone to empty string instead of hash of empty string
if ( '' === $email ) {
$hashed_email = '';
}
$hashed_phone = $pixel_obj->get_advanced_matching_hashed_info( $phone_number );
if ( '' === $phone_number ) {
$hashed_phone = '';
}
$ipaddress = WC_Geolocation::get_ip_address();
$user_agent = '';
if ( isset( $_SERVER['HTTP_USER_AGENT'] ) ) {
$user_agent = sanitize_text_field( wp_unslash( $_SERVER['HTTP_USER_AGENT'] ) );
}
$user = [
'phone' => $hashed_phone,
'email' => $hashed_email,
'ip' => $ipaddress,
'user_agent' => $user_agent,
'locale' => strtok( get_locale(), '_' ),
'external_id' => $external_id,
];
if ( isset( $_COOKIE[ self::TTCLID_COOKIE ] ) ) {
$user['ttclid'] = sanitize_text_field( $_COOKIE[ self::TTCLID_COOKIE ] );
}
if ( isset( $_COOKIE[ self::TTP_COOKIE ] ) ) {
$user['ttp'] = sanitize_text_field( wp_unslash( $_COOKIE[ self::TTP_COOKIE ] ) );
}
return $user;
}
public static function get_event_id( $content_id ) {
$external_business_id = get_option( 'tt4b_external_business_id' );
$unique_id = uniqid();
if ( '' !== $content_id ) {
return sprintf( '%s_%s_%s', $unique_id, $external_business_id, $content_id );
}
return sprintf( '%s_%s', $unique_id, $external_business_id );
}
/**
* Gets all pixels associated to an ad account.
*
* @param string $access_token The MAPI issued access token.
* @param string $advertiser_id The users advertiser id.
* @param string $pixel_code The users pixel code.
*/
public function get_pixels( $access_token, $advertiser_id, $pixel_code ) {
// returns a raw API response from TikTok pixel/list/ endpoint
$params = [
'advertiser_id' => $advertiser_id,
'code' => $pixel_code,
];
$url = 'https://business-api.tiktok.com/open_api/v1.3/pixel/list/?' . http_build_query( $params );
$args = [
'method' => 'GET',
'headers' => [
'Access-Token' => $access_token,
'Content-Type' => 'application/json',
],
];
$logger = new Logger();
$logger->log_request( $url, $args );
$result = wp_remote_get( $url, $args );
$logger->log_response( __METHOD__, $result );
return wp_remote_retrieve_body( $result );
}
/**
* Gets whether advanced matching is enabled for the user.
*
* @param string $info The users email or phone
*
* @return false|string
*/
public function get_advanced_matching_hashed_info( $info ) {
// returns the SHA256 encrypted email if advanced_matching is enabled. If advanced_matching is not
// enabled, then return an empty string
$advanced_matching = get_option( 'tt4b_advanced_matching' );
$hashed_info = '';
if ( $advanced_matching ) {
$hashed_info = hash( 'SHA256', strtolower( $info ) );
}
return $hashed_info;
}
/**
* Preprocess to ensure we have the required fields to call the event track API
*
* @param string $method The hook that is executed.
*
* @return array
*/
public static function pixel_event_tracking_field_track( $method ) {
$logger = new Logger();
try {
$access_token = self::get_and_validate_option( 'access_token' );
$pixel_code = self::get_and_validate_option( 'pixel_code' );
$advertiser_id = self::get_and_validate_option( 'advertiser_id' );
} catch ( Exception $e ) {
$logger->log( $method, $e->getMessage() );
return [];
}
return [
'access_token' => $access_token,
'advertiser_id' => $advertiser_id,
'pixel_code' => $pixel_code,
];
}
/**
* Validates to ensure tt4b options are stored, and return the option if it is.
*
* @param string $option_name The tt4b data option
* @param bool $default The default option boolean
*
* @return string
* @throws Exception Throws exception when the given option is missing.
*/
protected static function get_and_validate_option( $option_name, $default = false ) {
$option = get_option( "tt4b_{$option_name}", $default );
if ( false === $option ) {
throw new Exception( sprintf( 'Missing option "%s"', $option_name ) );
}
return $option;
}
/**
* Checks to see whether to track events s2s
*
* @param string $access_token The access token
* @param string $advertiser_id The advertiser_id
* @param string $pixel_code The pixel_code
*
* @return bool
*/
public function confirm_to_send_s2s_events( $access_token, $advertiser_id, $pixel_code ) {
$should_send_events = get_option( 'tt4b_should_send_s2s_events' );
if ( false === $should_send_events ) {
$pixel_obj = new Tt4b_Pixel_Class();
$pixel_rsp = $pixel_obj->get_pixels(
$access_token,
$advertiser_id,
$pixel_code
);
$pixel = json_decode( $pixel_rsp, true );
// case 1: always send events for woo_commerce pixels
update_option( 'tt4b_should_send_s2s_events', 'YES' );
if ( '' !== $pixel ) {
$connected_pixel = $pixel['data']['pixels'][0];
$partner = $connected_pixel['partner_name'];
if ( 'WOO_COMMERCE' !== $partner ) {
update_option( 'tt4b_should_send_s2s_events', 'NO' );
// case 2: if the pixel is not a partner pixel, send events if no recent activity
if ( 'ACTIVE' !== $connected_pixel['activity_status'] ) {
update_option( 'tt4b_should_send_s2s_events', 'YES' );
}
}
}
}
$should_send_event_data = get_option( 'tt4b_should_send_s2s_events' );
if ( 'NO' === $should_send_event_data ) {
return false;
}
return true;
}
/**
* Grab ttclid from URL and set cookie for 30 days
*/
public static function set_ttclid() {
if ( isset( $_GET['ttclid'] ) ) {
setcookie( self::TTCLID_COOKIE, sanitize_text_field( $_GET['ttclid'] ), time() + 30 * 86400, '/' );
}
}
/**
* Add ajax event tracking
*/
public static function add_ajax_snippet() {
$pixel_code = get_option( 'tt4b_pixel_code' );
if ( ! $pixel_code ) {
return;
}
$currency = '';
if ( did_action( 'woocommerce_loaded' ) > 0 ) {
$currency = get_woocommerce_currency();
}
$country = get_option( 'tt4b_user_country' );
$advanced_matching = get_option( 'tt4b_advanced_matching' );
wp_register_script( 'tt4b_ajax_script', plugins_url( '/admin/js/ajaxSnippet.js', dirname( __DIR__ ) . '/tiktok-for-woocommerce.php' ), [ 'jquery' ], 'v1', false );
wp_enqueue_script( 'tt4b_ajax_script' );
wp_localize_script(
'tt4b_ajax_script',
'tt4b_script_vars',
[
'pixel_code' => $pixel_code,
'currency' => $currency,
'country' => $country,
'advanced_matching' => $advanced_matching,
]
);
}
/**
* Get cart subtotal for a product with tax if appropriate
*
* @param WC_Product $product the product to calculate row subtotal
* @param int $quantity quantity of product being purchase
*
* @return int the appropriate price with tax for the product row subtotal
*/
protected static function get_product_subtotal_as_float( $product ) {
$row_price = $product->get_price();
if ( $product->is_taxable() ) {
if ( WC()->cart->display_prices_including_tax() ) {
$row_price = wc_get_price_including_tax( $product, [ 'qty' => 1 ] );
} else {
$row_price = wc_get_price_excluding_tax( $product, [ 'qty' => 1 ] );
}
}
return (float) $row_price;
}
/**
* Prints the given event.
*
* @param string $event The event's type.
* @param string $pixel_code The pixel code.
* @param array $properties The data to be passed to the JS function.
* @param string $hashed_email The hashed email.
* @param string $hashed_phone The hashed phone.
* @param string $event_id The unique id for the event.
*
* @return void
*/
public static function add_event( $event, $pixel_code, $properties, $hashed_email, $hashed_phone, $event_id ) {
self::enqueue_event( $event, $pixel_code, $properties, $hashed_email, $hashed_phone, $event_id );
}
/**
* Gets the event's JS code to be enqueued or printed.
*
* @param string $event The event's type.
* @param string $pixel_code The pixel code
* @param array $data The data to be passed to the JS function.
* @param string $event_id The unique id corresponding to the event.
*
* @return string
*/
private static function prepare_event_code( $event, $pixel_code, $data, $event_id ) {
$data_string = empty( $data ) ? null : wp_json_encode( $data );
return sprintf(
'ttq.instance(\'%s\').track(\'%s\', %s, {\'event_id\': \'%s\'})',
$pixel_code,
$event,
$data_string,
$event_id
);
}
/**
* Gets the AM to be enqueued or printed.
*
* @param string $pixel_code The pixel code.
* @param string $hashed_email The hashed email
*
* @return string
*/
private static function prepare_advanced_matching( $pixel_code, $hashed_email, $hashed_phone ) {
return sprintf(
'ttq.instance(\'%s\').identify({
email: \'%s\', phone_number: \'%s\'})',
$pixel_code,
$hashed_email,
$hashed_phone
);
}
/**
* Prints the given event.
*
* @param string $event The event's type.
* @param string $pixel_code The pixel code.
* @param array $data The data to be passed to the JS function.
* @param string $hashed_email The hashed email.
* @param string $hashed_phone The hashed phone.
*
* @return void
*/
private static function print_event( $event, $pixel_code, $data, $hashed_email, $hashed_phone, $event_id ) {
wp_register_script( 'tiktok-tracking-handle-header', '', '', 'v1' );
wp_enqueue_script( 'tiktok-tracking-handle-header' );
$event_code_script = '<script>' . self::prepare_event_code( $event, $pixel_code, $data, $event_id ) . '</script>';
wp_add_inline_script( 'tiktok-tracking-handle-header', $event_code_script );
$advanced_matching_script = '<script>' . self::prepare_advanced_matching( $pixel_code, $hashed_email, $hashed_phone ) . '</script>';
wp_add_inline_script( 'tiktok-tracking-handle-header', $advanced_matching_script );
}
/**
* Enqueues the given event.
*
* @param string $event The event's type.
* @param string $pixel_code The pixel code.
* @param array $data The data to be passed to the JS function.
* @param string $hashed_email The hashed email.
* @param string $hashed_phone The hashed phone.
*
* @return void
*/
private static function enqueue_event( $event, $pixel_code, $data, $hashed_email, $hashed_phone, $event_id ) {
self::$events[ self::prepare_event_code( $event, $pixel_code, $data, $event_id ) ] = self::prepare_advanced_matching( $pixel_code, $hashed_email, $hashed_phone );
}
/**
* Prints the enqueued base code and events snippets.
* Meant to be used in wp_head.
*
* @return void
*/
public static function print_script() {
$pixel_code = get_option( 'tt4b_pixel_code' );
if ( ! $pixel_code ) {
return;
}
$script = '!function (w, d, t) {
w.TiktokAnalyticsObject=t;var ttq=w[t]=w[t]||[];ttq.methods=["page","track","identify","instances","debug","on","off","once","ready","alias","group","enableCookie","disableCookie"],ttq.setAndDefer=function(t,e){t[e]=function(){t.push([e].concat(Array.prototype.slice.call(arguments,0)))}};for(var i=0;i<ttq.methods.length;i++)ttq.setAndDefer(ttq,ttq.methods[i]);ttq.instance=function(t){for(var e=ttq._i[t]||[],n=0;n<ttq.methods.length;n++)ttq.setAndDefer(e,ttq.methods[n]);return e},ttq.load=function(e,n){var i="https://analytics.tiktok.com/i18n/pixel/events.js";ttq._i=ttq._i||{},ttq._i[e]=[],ttq._i[e]._u=i,ttq._t=ttq._t||{},ttq._t[e]=+new Date,ttq._o=ttq._o||{},ttq._o[e]=n||{},ttq._partner=ttq._partner||"WooCommerce";var o=document.createElement("script");o.type="text/javascript",o.async=!0,o.src=i+"?sdkid="+e+"&lib="+t;var a=document.getElementsByTagName("script")[0];a.parentNode.insertBefore(o,a)};
ttq.load(';
$script = $script . "'$pixel_code'";
$script = $script . ');
ttq.page();
}(window, document, \'ttq\');';
wp_register_script( 'tiktok-pixel-tracking-handle-header', '', '', 'v1' );
wp_enqueue_script( 'tiktok-pixel-tracking-handle-header' );
wp_add_inline_script( 'tiktok-pixel-tracking-handle-header', $script );
if ( ! empty( self::$events ) ) {
foreach ( self::$events as $key => $value ) {
// register a dummy script to add small inline snippet
wp_register_script( 'tiktok-tracking-handle-header', '', '', 'v1' );
wp_enqueue_script( 'tiktok-tracking-handle-header' );
wp_add_inline_script( 'tiktok-tracking-handle-header', $key );
wp_add_inline_script( 'tiktok-tracking-handle-header', $value );
}
self::$events = [];
}
}
public function get_key( $key ) {
return $key;
}
/**
* Filter the "Add to cart" button attributes to include more data.
*
* @see woocommerce_template_loop_add_to_cart()
*
* @since 1.0.11
*
* @param array $args The arguments used for the Add to cart button.
* @param WC_Product $product The product object.
*
* @return array The filtered arguments for the Add to cart button.
*/
public static function filter_add_to_cart_attributes( array $args, WC_Product $product ) {
$attributes = [
'data-product_name' => $product->get_name(),
'data-price' => $product->get_price(),
];
$args['attributes'] = array_merge( $args['attributes'], $attributes );
return $args;
}
}