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PiwikTracker.php
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PiwikTracker.php
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<?php
/**
* Piwik - free/libre analytics platform
*
* For more information, see README.md
*
* @license released under BSD License http://www.opensource.org/licenses/bsd-license.php
* @link http://piwik.org/docs/tracking-api/
*
* @category Piwik
* @package PiwikTracker
*/
/**
* PiwikTracker implements the Matomo Tracking Web API.
*
* For more information, see: https://github.com/matomo-org/matomo-php-tracker/
*
* @package PiwikTracker
* @api
*/
class PiwikTracker
{
/**
* Piwik base URL, for example http://example.org/piwik/
* Must be set before using the class by calling
* PiwikTracker::$URL = 'http://yourwebsite.org/piwik/';
*
* @var string
*/
static public $URL = '';
/**
* API Version
*
* @ignore
* @var int
*/
const VERSION = 1;
/**
* @ignore
*/
public $DEBUG_APPEND_URL = '';
/**
* Visitor ID length
*
* @ignore
*/
const LENGTH_VISITOR_ID = 16;
/**
* Charset
* @see setPageCharset
* @ignore
*/
const DEFAULT_CHARSET_PARAMETER_VALUES = 'utf-8';
/**
* See piwik.js
*/
const FIRST_PARTY_COOKIES_PREFIX = '_pk_';
/**
* Ecommerce item page view tracking stores item's metadata in these Custom Variables slots.
*/
const CVAR_INDEX_ECOMMERCE_ITEM_PRICE = 2;
const CVAR_INDEX_ECOMMERCE_ITEM_SKU = 3;
const CVAR_INDEX_ECOMMERCE_ITEM_NAME = 4;
const CVAR_INDEX_ECOMMERCE_ITEM_CATEGORY = 5;
/**
* Defines how many categories can be used max when calling addEcommerceItem().
* @var int
*/
const MAX_NUM_ECOMMERCE_ITEM_CATEGORIES = 5;
const DEFAULT_COOKIE_PATH = '/';
/**
* Builds a PiwikTracker object, used to track visits, pages and Goal conversions
* for a specific website, by using the Piwik Tracking API.
*
* @param int $idSite Id site to be tracked
* @param string $apiUrl "http://example.org/piwik/" or "http://piwik.example.org/"
* If set, will overwrite PiwikTracker::$URL
*/
public function __construct($idSite, $apiUrl = '')
{
$this->ecommerceItems = array();
$this->attributionInfo = false;
$this->eventCustomVar = false;
$this->forcedDatetime = false;
$this->forcedNewVisit = false;
$this->generationTime = false;
$this->pageCustomVar = false;
$this->customParameters = array();
$this->customData = false;
$this->hasCookies = false;
$this->token_auth = false;
$this->userAgent = false;
$this->country = false;
$this->region = false;
$this->city = false;
$this->lat = false;
$this->long = false;
$this->width = false;
$this->height = false;
$this->plugins = false;
$this->localHour = false;
$this->localMinute = false;
$this->localSecond = false;
$this->idPageview = false;
$this->idSite = $idSite;
$this->urlReferrer = !empty($_SERVER['HTTP_REFERER']) ? $_SERVER['HTTP_REFERER'] : false;
$this->pageCharset = self::DEFAULT_CHARSET_PARAMETER_VALUES;
$this->pageUrl = self::getCurrentUrl();
$this->ip = !empty($_SERVER['REMOTE_ADDR']) ? $_SERVER['REMOTE_ADDR'] : false;
$this->acceptLanguage = !empty($_SERVER['HTTP_ACCEPT_LANGUAGE']) ? $_SERVER['HTTP_ACCEPT_LANGUAGE'] : false;
$this->userAgent = !empty($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] : false;
if (!empty($apiUrl)) {
self::$URL = $apiUrl;
}
// Life of the visitor cookie (in sec)
$this->configVisitorCookieTimeout = 33955200; // 13 months (365 + 28 days)
// Life of the session cookie (in sec)
$this->configSessionCookieTimeout = 1800; // 30 minutes
// Life of the session cookie (in sec)
$this->configReferralCookieTimeout = 15768000; // 6 months
// Visitor Ids in order
$this->userId = false;
$this->forcedVisitorId = false;
$this->cookieVisitorId = false;
$this->randomVisitorId = false;
$this->setNewVisitorId();
$this->configCookiesDisabled = false;
$this->configCookiePath = self::DEFAULT_COOKIE_PATH;
$this->configCookieDomain = '';
$this->currentTs = time();
$this->createTs = $this->currentTs;
$this->visitCount = 0;
$this->currentVisitTs = false;
$this->lastVisitTs = false;
$this->ecommerceLastOrderTimestamp = false;
// Allow debug while blocking the request
$this->requestTimeout = 600;
$this->doBulkRequests = false;
$this->storedTrackingActions = array();
$this->sendImageResponse = true;
$this->visitorCustomVar = $this->getCustomVariablesFromCookie();
$this->outgoingTrackerCookies = array();
$this->incomingTrackerCookies = array();
}
/**
* By default, Piwik expects utf-8 encoded values, for example
* for the page URL parameter values, Page Title, etc.
* It is recommended to only send UTF-8 data to Piwik.
* If required though, you can also specify another charset using this function.
*
* @param string $charset
* @return $this
*/
public function setPageCharset($charset = '')
{
$this->pageCharset = $charset;
return $this;
}
/**
* Sets the current URL being tracked
*
* @param string $url Raw URL (not URL encoded)
* @return $this
*/
public function setUrl($url)
{
$this->pageUrl = $url;
return $this;
}
/**
* Sets the URL referrer used to track Referrers details for new visits.
*
* @param string $url Raw URL (not URL encoded)
* @return $this
*/
public function setUrlReferrer($url)
{
$this->urlReferrer = $url;
return $this;
}
/**
* Sets the time that generating the document on the server side took.
*
* @param int $timeMs Generation time in ms
* @return $this
*/
public function setGenerationTime($timeMs)
{
$this->generationTime = $timeMs;
return $this;
}
/**
* @deprecated
* @ignore
*/
public function setUrlReferer($url)
{
$this->setUrlReferrer($url);
return $this;
}
/**
* Sets the attribution information to the visit, so that subsequent Goal conversions are
* properly attributed to the right Referrer URL, timestamp, Campaign Name & Keyword.
*
* This must be a JSON encoded string that would typically be fetched from the JS API:
* piwikTracker.getAttributionInfo() and that you have JSON encoded via JSON2.stringify()
*
* If you call enableCookies() then these referral attribution values will be set
* to the 'ref' first party cookie storing referral information.
*
* @param string $jsonEncoded JSON encoded array containing Attribution info
* @return $this
* @throws Exception
* @see function getAttributionInfo() in https://github.com/piwik/piwik/blob/master/js/piwik.js
*/
public function setAttributionInfo($jsonEncoded)
{
$decoded = json_decode($jsonEncoded, $assoc = true);
if (!is_array($decoded)) {
throw new Exception("setAttributionInfo() is expecting a JSON encoded string, $jsonEncoded given");
}
$this->attributionInfo = $decoded;
return $this;
}
/**
* Sets Visit Custom Variable.
* See http://piwik.org/docs/custom-variables/
*
* @param int $id Custom variable slot ID from 1-5
* @param string $name Custom variable name
* @param string $value Custom variable value
* @param string $scope Custom variable scope. Possible values: visit, page, event
* @return $this
* @throws Exception
*/
public function setCustomVariable($id, $name, $value, $scope = 'visit')
{
if (!is_int($id)) {
throw new Exception("Parameter id to setCustomVariable should be an integer");
}
if ($scope == 'page') {
$this->pageCustomVar[$id] = array($name, $value);
} elseif ($scope == 'event') {
$this->eventCustomVar[$id] = array($name, $value);
} elseif ($scope == 'visit') {
$this->visitorCustomVar[$id] = array($name, $value);
} else {
throw new Exception("Invalid 'scope' parameter value");
}
return $this;
}
/**
* Returns the currently assigned Custom Variable.
*
* If scope is 'visit', it will attempt to read the value set in the first party cookie created by Piwik Tracker
* ($_COOKIE array).
*
* @param int $id Custom Variable integer index to fetch from cookie. Should be a value from 1 to 5
* @param string $scope Custom variable scope. Possible values: visit, page, event
*
* @throws Exception
* @return mixed An array with this format: array( 0 => CustomVariableName, 1 => CustomVariableValue ) or false
* @see Piwik.js getCustomVariable()
*/
public function getCustomVariable($id, $scope = 'visit')
{
if ($scope == 'page') {
return isset($this->pageCustomVar[$id]) ? $this->pageCustomVar[$id] : false;
} elseif ($scope == 'event') {
return isset($this->eventCustomVar[$id]) ? $this->eventCustomVar[$id] : false;
} else {
if ($scope != 'visit') {
throw new Exception("Invalid 'scope' parameter value");
}
}
if (!empty($this->visitorCustomVar[$id])) {
return $this->visitorCustomVar[$id];
}
$cookieDecoded = $this->getCustomVariablesFromCookie();
if (!is_int($id)) {
throw new Exception("Parameter to getCustomVariable should be an integer");
}
if (!is_array($cookieDecoded)
|| !isset($cookieDecoded[$id])
|| !is_array($cookieDecoded[$id])
|| count($cookieDecoded[$id]) != 2
) {
return false;
}
return $cookieDecoded[$id];
}
/**
* Clears any Custom Variable that may be have been set.
*
* This can be useful when you have enabled bulk requests,
* and you wish to clear Custom Variables of 'visit' scope.
*/
public function clearCustomVariables()
{
$this->visitorCustomVar = array();
$this->pageCustomVar = array();
$this->eventCustomVar = array();
}
/**
* Sets a custom tracking parameter. This is useful if you need to send any tracking parameters for a 3rd party
* plugin that is not shipped with Piwik itself. Please note that custom parameters are cleared after each
* tracking request.
*
* @param string $trackingApiParameter The name of the tracking API parameter, eg 'dimension1'
* @param string $value Tracking parameter value that shall be sent for this tracking parameter.
* @return $this
* @throws Exception
*/
public function setCustomTrackingParameter($trackingApiParameter, $value)
{
$this->customParameters[$trackingApiParameter] = $value;
return $this;
}
/**
* Clear / reset all previously set custom tracking parameters.
*/
public function clearCustomTrackingParameters()
{
$this->customParameters = array();
}
/**
* Sets the current visitor ID to a random new one.
* @return $this
*/
public function setNewVisitorId()
{
$this->randomVisitorId = substr(md5(uniqid(rand(), true)), 0, self::LENGTH_VISITOR_ID);
$this->forcedVisitorId = false;
$this->cookieVisitorId = false;
return $this;
}
/**
* Sets the current site ID.
*
* @param int $idSite
* @return $this
*/
public function setIdSite($idSite)
{
$this->idSite = $idSite;
return $this;
}
/**
* Sets the Browser language. Used to guess visitor countries when GeoIP is not enabled
*
* @param string $acceptLanguage For example "fr-fr"
* @return $this
*/
public function setBrowserLanguage($acceptLanguage)
{
$this->acceptLanguage = $acceptLanguage;
return $this;
}
/**
* Sets the user agent, used to detect OS and browser.
* If this function is not called, the User Agent will default to the current user agent.
*
* @param string $userAgent
* @return $this
*/
public function setUserAgent($userAgent)
{
$this->userAgent = $userAgent;
return $this;
}
/**
* Sets the country of the visitor. If not used, Piwik will try to find the country
* using either the visitor's IP address or language.
*
* Allowed only for Admin/Super User, must be used along with setTokenAuth().
* @param string $country
* @return $this
*/
public function setCountry($country)
{
$this->country = $country;
return $this;
}
/**
* Sets the region of the visitor. If not used, Piwik may try to find the region
* using the visitor's IP address (if configured to do so).
*
* Allowed only for Admin/Super User, must be used along with setTokenAuth().
* @param string $region
* @return $this
*/
public function setRegion($region)
{
$this->region = $region;
return $this;
}
/**
* Sets the city of the visitor. If not used, Piwik may try to find the city
* using the visitor's IP address (if configured to do so).
*
* Allowed only for Admin/Super User, must be used along with setTokenAuth().
* @param string $city
* @return $this
*/
public function setCity($city)
{
$this->city = $city;
return $this;
}
/**
* Sets the latitude of the visitor. If not used, Piwik may try to find the visitor's
* latitude using the visitor's IP address (if configured to do so).
*
* Allowed only for Admin/Super User, must be used along with setTokenAuth().
* @param float $lat
* @return $this
*/
public function setLatitude($lat)
{
$this->lat = $lat;
return $this;
}
/**
* Sets the longitude of the visitor. If not used, Piwik may try to find the visitor's
* longitude using the visitor's IP address (if configured to do so).
*
* Allowed only for Admin/Super User, must be used along with setTokenAuth().
* @param float $long
* @return $this
*/
public function setLongitude($long)
{
$this->long = $long;
return $this;
}
/**
* Enables the bulk request feature. When used, each tracking action is stored until the
* doBulkTrack method is called. This method will send all tracking data at once.
*
*/
public function enableBulkTracking()
{
$this->doBulkRequests = true;
}
/**
* Enable Cookie Creation - this will cause a first party VisitorId cookie to be set when the VisitorId is set or reset
*
* @param string $domain (optional) Set first-party cookie domain.
* Accepted values: example.com, *.example.com (same as .example.com) or subdomain.example.com
* @param string $path (optional) Set first-party cookie path
*/
public function enableCookies($domain = '', $path = '/')
{
$this->configCookiesDisabled = false;
$this->configCookieDomain = self::domainFixup($domain);
$this->configCookiePath = $path;
}
/**
* If image response is disabled Piwik will respond with a HTTP 204 header instead of responding with a gif.
*/
public function disableSendImageResponse()
{
$this->sendImageResponse = false;
}
/**
* Fix-up domain
*/
protected static function domainFixup($domain)
{
if (strlen($domain) > 0) {
$dl = strlen($domain) - 1;
// remove trailing '.'
if ($domain[$dl] === '.') {
$domain = substr($domain, 0, $dl);
}
// remove leading '*'
if (substr($domain, 0, 2) === '*.') {
$domain = substr($domain, 1);
}
}
return $domain;
}
/**
* Get cookie name with prefix and domain hash
* @param string $cookieName
* @return string
*/
protected function getCookieName($cookieName)
{
// NOTE: If the cookie name is changed, we must also update the method in piwik.js with the same name.
$hash = substr(
sha1(
($this->configCookieDomain == '' ? self::getCurrentHost() : $this->configCookieDomain) . $this->configCookiePath
),
0,
4
);
return self::FIRST_PARTY_COOKIES_PREFIX . $cookieName . '.' . $this->idSite . '.' . $hash;
}
/**
* Tracks a page view
*
* @param string $documentTitle Page title as it will appear in the Actions > Page titles report
* @return mixed Response string or true if using bulk requests.
*/
public function doTrackPageView($documentTitle)
{
$this->generateNewPageviewId();
$url = $this->getUrlTrackPageView($documentTitle);
return $this->sendRequest($url);
}
private function generateNewPageviewId()
{
$this->idPageview = substr(md5(uniqid(rand(), true)), 0, 6);
}
/**
* Tracks an event
*
* @param string $category The Event Category (Videos, Music, Games...)
* @param string $action The Event's Action (Play, Pause, Duration, Add Playlist, Downloaded, Clicked...)
* @param string|bool $name (optional) The Event's object Name (a particular Movie name, or Song name, or File name...)
* @param float|bool $value (optional) The Event's value
* @return mixed Response string or true if using bulk requests.
*/
public function doTrackEvent($category, $action, $name = false, $value = false)
{
$url = $this->getUrlTrackEvent($category, $action, $name, $value);
return $this->sendRequest($url);
}
/**
* Tracks a content impression
*
* @param string $contentName The name of the content. For instance 'Ad Foo Bar'
* @param string $contentPiece The actual content. For instance the path to an image, video, audio, any text
* @param string|bool $contentTarget (optional) The target of the content. For instance the URL of a landing page.
* @return mixed Response string or true if using bulk requests.
*/
public function doTrackContentImpression($contentName, $contentPiece = 'Unknown', $contentTarget = false)
{
$url = $this->getUrlTrackContentImpression($contentName, $contentPiece, $contentTarget);
return $this->sendRequest($url);
}
/**
* Tracks a content interaction. Make sure you have tracked a content impression using the same content name and
* content piece, otherwise it will not count. To do so you should call the method doTrackContentImpression();
*
* @param string $interaction The name of the interaction with the content. For instance a 'click'
* @param string $contentName The name of the content. For instance 'Ad Foo Bar'
* @param string $contentPiece The actual content. For instance the path to an image, video, audio, any text
* @param string|bool $contentTarget (optional) The target the content leading to when an interaction occurs. For instance the URL of a landing page.
* @return mixed Response string or true if using bulk requests.
*/
public function doTrackContentInteraction(
$interaction,
$contentName,
$contentPiece = 'Unknown',
$contentTarget = false
)
{
$url = $this->getUrlTrackContentInteraction($interaction, $contentName, $contentPiece, $contentTarget);
return $this->sendRequest($url);
}
/**
* Tracks an internal Site Search query, and optionally tracks the Search Category, and Search results Count.
* These are used to populate reports in Actions > Site Search.
*
* @param string $keyword Searched query on the site
* @param string $category (optional) Search engine category if applicable
* @param bool|int $countResults (optional) results displayed on the search result page. Used to track "zero result" keywords.
*
* @return mixed Response or true if using bulk requests.
*/
public function doTrackSiteSearch($keyword, $category = '', $countResults = false)
{
$url = $this->getUrlTrackSiteSearch($keyword, $category, $countResults);
return $this->sendRequest($url);
}
/**
* Records a Goal conversion
*
* @param int $idGoal Id Goal to record a conversion
* @param float $revenue Revenue for this conversion
* @return mixed Response or true if using bulk request
*/
public function doTrackGoal($idGoal, $revenue = 0.0)
{
$url = $this->getUrlTrackGoal($idGoal, $revenue);
return $this->sendRequest($url);
}
/**
* Tracks a download or outlink
*
* @param string $actionUrl URL of the download or outlink
* @param string $actionType Type of the action: 'download' or 'link'
* @return mixed Response or true if using bulk request
*/
public function doTrackAction($actionUrl, $actionType)
{
// Referrer could be udpated to be the current URL temporarily (to mimic JS behavior)
$url = $this->getUrlTrackAction($actionUrl, $actionType);
return $this->sendRequest($url);
}
/**
* Adds an item in the Ecommerce order.
*
* This should be called before doTrackEcommerceOrder(), or before doTrackEcommerceCartUpdate().
* This function can be called for all individual products in the cart (or order).
* SKU parameter is mandatory. Other parameters are optional (set to false if value not known).
* Ecommerce items added via this function are automatically cleared when doTrackEcommerceOrder() or getUrlTrackEcommerceOrder() is called.
*
* @param string $sku (required) SKU, Product identifier
* @param string $name (optional) Product name
* @param string|array $category (optional) Product category, or array of product categories (up to 5 categories can be specified for a given product)
* @param float|int $price (optional) Individual product price (supports integer and decimal prices)
* @param int $quantity (optional) Product quantity. If not specified, will default to 1 in the Reports
* @throws Exception
* @return $this
*/
public function addEcommerceItem($sku, $name = '', $category = '', $price = 0.0, $quantity = 1)
{
if (empty($sku)) {
throw new Exception("You must specify a SKU for the Ecommerce item");
}
$price = $this->forceDotAsSeparatorForDecimalPoint($price);
$this->ecommerceItems[] = array($sku, $name, $category, $price, $quantity);
return $this;
}
/**
* Tracks a Cart Update (add item, remove item, update item).
*
* On every Cart update, you must call addEcommerceItem() for each item (product) in the cart,
* including the items that haven't been updated since the last cart update.
* Items which were in the previous cart and are not sent in later Cart updates will be deleted from the cart (in the database).
*
* @param float $grandTotal Cart grandTotal (typically the sum of all items' prices)
* @return mixed Response or true if using bulk request
*/
public function doTrackEcommerceCartUpdate($grandTotal)
{
$url = $this->getUrlTrackEcommerceCartUpdate($grandTotal);
return $this->sendRequest($url);
}
/**
* Sends all stored tracking actions at once. Only has an effect if bulk tracking is enabled.
*
* To enable bulk tracking, call enableBulkTracking().
*
* @throws Exception
* @return string Response
*/
public function doBulkTrack()
{
if (empty($this->storedTrackingActions)) {
throw new Exception(
"Error: you must call the function doTrackPageView or doTrackGoal from this class,
before calling this method doBulkTrack()"
);
}
$data = array('requests' => $this->storedTrackingActions);
// token_auth is not required by default, except if bulk_requests_require_authentication=1
if (!empty($this->token_auth)) {
$data['token_auth'] = $this->token_auth;
}
$postData = json_encode($data);
$response = $this->sendRequest($this->getBaseUrl(), 'POST', $postData, $force = true);
$this->storedTrackingActions = array();
return $response;
}
/**
* Tracks an Ecommerce order.
*
* If the Ecommerce order contains items (products), you must call first the addEcommerceItem() for each item in the order.
* All revenues (grandTotal, subTotal, tax, shipping, discount) will be individually summed and reported in Piwik reports.
* Only the parameters $orderId and $grandTotal are required.
*
* @param string|int $orderId (required) Unique Order ID.
* This will be used to count this order only once in the event the order page is reloaded several times.
* orderId must be unique for each transaction, even on different days, or the transaction will not be recorded by Piwik.
* @param float $grandTotal (required) Grand Total revenue of the transaction (including tax, shipping, etc.)
* @param float $subTotal (optional) Sub total amount, typically the sum of items prices for all items in this order (before Tax and Shipping costs are applied)
* @param float $tax (optional) Tax amount for this order
* @param float $shipping (optional) Shipping amount for this order
* @param float $discount (optional) Discounted amount in this order
* @return mixed Response or true if using bulk request
*/
public function doTrackEcommerceOrder(
$orderId,
$grandTotal,
$subTotal = 0.0,
$tax = 0.0,
$shipping = 0.0,
$discount = 0.0
)
{
$url = $this->getUrlTrackEcommerceOrder($orderId, $grandTotal, $subTotal, $tax, $shipping, $discount);
return $this->sendRequest($url);
}
/**
* Sends a ping request.
*
* Ping requests do not track new actions. If they are sent within the standard visit length (see global.ini.php),
* they will extend the existing visit and the current last action for the visit. If after the standard visit length,
* ping requests will create a new visit using the last action in the last known visit.
*
* @return mixed Response or true if using bulk request
*/
public function doPing()
{
$url = $this->getRequest($this->idSite);
$url .= '&ping=1';
return $this->sendRequest($url);
}
/**
* Sets the current page view as an item (product) page view, or an Ecommerce Category page view.
*
* This must be called before doTrackPageView() on this product/category page.
* It will set 3 custom variables of scope "page" with the SKU, Name and Category for this page view.
* Note: Custom Variables of scope "page" slots 3, 4 and 5 will be used.
*
* On a category page, you may set the parameter $category only and set the other parameters to false.
*
* Tracking Product/Category page views will allow Piwik to report on Product & Categories
* conversion rates (Conversion rate = Ecommerce orders containing this product or category / Visits to the product or category)
*
* @param string $sku Product SKU being viewed
* @param string $name Product Name being viewed
* @param string|array $category Category being viewed. On a Product page, this is the product's category.
* You can also specify an array of up to 5 categories for a given page view.
* @param float $price Specify the price at which the item was displayed
* @return $this
*/
public function setEcommerceView($sku = '', $name = '', $category = '', $price = 0.0)
{
if (!empty($category)) {
if (is_array($category)) {
$category = json_encode($category);
}
} else {
$category = "";
}
$this->pageCustomVar[self::CVAR_INDEX_ECOMMERCE_ITEM_CATEGORY] = array('_pkc', $category);
if (!empty($price)) {
$price = (float)$price;
$price = $this->forceDotAsSeparatorForDecimalPoint($price);
$this->pageCustomVar[self::CVAR_INDEX_ECOMMERCE_ITEM_PRICE] = array('_pkp', $price);
}
// On a category page, do not record "Product name not defined"
if (empty($sku) && empty($name)) {
return $this;
}
if (!empty($sku)) {
$this->pageCustomVar[self::CVAR_INDEX_ECOMMERCE_ITEM_SKU] = array('_pks', $sku);
}
if (empty($name)) {
$name = "";
}
$this->pageCustomVar[self::CVAR_INDEX_ECOMMERCE_ITEM_NAME] = array('_pkn', $name);
return $this;
}
/**
* Force the separator for decimal point to be a dot. See https://github.com/piwik/piwik/issues/6435
* If for instance a German locale is used it would be a comma otherwise.
*
* @param float|string $value
* @return string
*/
private function forceDotAsSeparatorForDecimalPoint($value)
{
if (null === $value || false === $value) {
return $value;
}
return str_replace(',', '.', $value);
}
/**
* Returns URL used to track Ecommerce Cart updates
* Calling this function will reinitializes the property ecommerceItems to empty array
* so items will have to be added again via addEcommerceItem()
* @ignore
*/
public function getUrlTrackEcommerceCartUpdate($grandTotal)
{
$url = $this->getUrlTrackEcommerce($grandTotal);
return $url;
}
/**
* Returns URL used to track Ecommerce Orders
* Calling this function will reinitializes the property ecommerceItems to empty array
* so items will have to be added again via addEcommerceItem()
* @ignore
*/
public function getUrlTrackEcommerceOrder(
$orderId,
$grandTotal,
$subTotal = 0.0,
$tax = 0.0,
$shipping = 0.0,
$discount = 0.0
)
{
if (empty($orderId)) {
throw new Exception("You must specifiy an orderId for the Ecommerce order");
}
$url = $this->getUrlTrackEcommerce($grandTotal, $subTotal, $tax, $shipping, $discount);
$url .= '&ec_id=' . urlencode($orderId);
$this->ecommerceLastOrderTimestamp = $this->getTimestamp();
return $url;
}
/**
* Returns URL used to track Ecommerce orders
*
* Calling this function will reinitializes the property ecommerceItems to empty array
* so items will have to be added again via addEcommerceItem()
*
* @ignore
*/
protected function getUrlTrackEcommerce($grandTotal, $subTotal = 0.0, $tax = 0.0, $shipping = 0.0, $discount = 0.0)
{
if (!is_numeric($grandTotal)) {
throw new Exception("You must specifiy a grandTotal for the Ecommerce order (or Cart update)");
}
$url = $this->getRequest($this->idSite);
$url .= '&idgoal=0';
if (!empty($grandTotal)) {
$grandTotal = $this->forceDotAsSeparatorForDecimalPoint($grandTotal);
$url .= '&revenue=' . $grandTotal;
}
if (!empty($subTotal)) {
$subTotal = $this->forceDotAsSeparatorForDecimalPoint($subTotal);
$url .= '&ec_st=' . $subTotal;
}
if (!empty($tax)) {
$tax = $this->forceDotAsSeparatorForDecimalPoint($tax);
$url .= '&ec_tx=' . $tax;
}
if (!empty($shipping)) {
$shipping = $this->forceDotAsSeparatorForDecimalPoint($shipping);
$url .= '&ec_sh=' . $shipping;
}
if (!empty($discount)) {
$discount = $this->forceDotAsSeparatorForDecimalPoint($discount);
$url .= '&ec_dt=' . $discount;
}
if (!empty($this->ecommerceItems)) {
$url .= '&ec_items=' . urlencode(json_encode($this->ecommerceItems));
}
$this->ecommerceItems = array();
return $url;
}
/**
* Builds URL to track a page view.
*
* @see doTrackPageView()
* @param string $documentTitle Page view name as it will appear in Piwik reports
* @return string URL to piwik.php with all parameters set to track the pageview
*/
public function getUrlTrackPageView($documentTitle = '')
{
$url = $this->getRequest($this->idSite);
if (strlen($documentTitle) > 0) {
$url .= '&action_name=' . urlencode($documentTitle);
}
return $url;
}
/**
* Builds URL to track a custom event.
*
* @see doTrackEvent()
* @param string $category The Event Category (Videos, Music, Games...)
* @param string $action The Event's Action (Play, Pause, Duration, Add Playlist, Downloaded, Clicked...)
* @param string|bool $name (optional) The Event's object Name (a particular Movie name, or Song name, or File name...)
* @param float|bool $value (optional) The Event's value
* @return string URL to piwik.php with all parameters set to track the pageview
* @throws
*/
public function getUrlTrackEvent($category, $action, $name = false, $value = false)
{
$url = $this->getRequest($this->idSite);
if (strlen($category) == 0) {
throw new Exception("You must specify an Event Category name (Music, Videos, Games...).");
}
if (strlen($action) == 0) {
throw new Exception("You must specify an Event action (click, view, add...).");
}
$url .= '&e_c=' . urlencode($category);
$url .= '&e_a=' . urlencode($action);
if (strlen($name) > 0) {
$url .= '&e_n=' . urlencode($name);
}
if (strlen($value) > 0) {
$value = $this->forceDotAsSeparatorForDecimalPoint($value);
$url .= '&e_v=' . $value;
}
return $url;
}
/**
* Builds URL to track a content impression.
*
* @see doTrackContentImpression()
* @param string $contentName The name of the content. For instance 'Ad Foo Bar'
* @param string $contentPiece The actual content. For instance the path to an image, video, audio, any text
* @param string|false $contentTarget (optional) The target of the content. For instance the URL of a landing page.
* @throws Exception In case $contentName is empty