";
private static $pixelFbqCodeWithoutScript = "
fbq('%s', '%s'%s%s);
";
private static $pixelNoscriptCode = "
![\"fbpx\"](\"https://www.facebook.com/tr?id=%s&ev=%s%s&noscript=1\")
";
public static function initialize($pixel_id = '') {
self::$pixelId = $pixel_id;
}
/**
* Gets FB pixel ID
*/
public static function getPixelId() {
return self::$pixelId;
}
/**
* Sets FB pixel ID
*/
public static function setPixelId($pixel_id) {
self::$pixelId = $pixel_id;
}
/**
* Gets FB pixel base code
*/
public static function getPixelBaseCode() {
return self::$pixelBaseCode;
}
/**
* Gets FB pixel init code
*/
public static function getPixelInitCode($agent_string, $param = array(), $with_script_tag = true) {
if (empty(self::$pixelId)) {
return;
}
$code = $with_script_tag
? ""
: self::$pixelFbqCodeWithoutScript;
$param_str = $param;
if (is_array($param)) {
$param_str = json_encode($param, JSON_PRETTY_PRINT);
}
$agent_param = array('agent' => $agent_string);
return sprintf(
$code,
'init',
self::$pixelId,
', ' . $param_str,
', ' . json_encode($agent_param, JSON_PRETTY_PRINT));
}
/**
* Gets FB pixel track code
* $param is the parameter for the pixel event.
* If it is an array, FB_INTEGRATION_TRACKING_KEY parameter with $tracking_name value will automatically
* be added into the $param. If it is a string, please append the FB_INTEGRATION_TRACKING_KEY parameter
* with its tracking name into the JS Parameter block
*/
public static function getPixelTrackCode($event, $param = array(), $tracking_name = '', $with_script_tag = true) {
if (empty(self::$pixelId)) {
return;
}
$code = $with_script_tag
? ""
: self::$pixelFbqCodeWithoutScript;
$param_str = $param;
if (is_array($param)) {
if (!empty($tracking_name)) {
$param[self::FB_INTEGRATION_TRACKING_KEY] = $tracking_name;
}
$param_str = json_encode($param, JSON_PRETTY_PRINT);
}
$class = new \ReflectionClass(__CLASS__);
return sprintf(
$code,
$class->getConstant(strtoupper($event)) !== false ? 'track' : 'trackCustom',
$event,
', ' . $param_str,
'');
}
/**
* Gets FB pixel noscript code
*/
public static function getPixelNoscriptCode($event = 'PageView', $cd = array(), $tracking_name = '') {
if (empty(self::$pixelId)) {
return;
}
$data = '';
foreach ($cd as $k => $v) {
$data .= '&cd[' . $k . ']=' . $v;
}
if (!empty($tracking_name)) {
$data .= '&cd[' . self::FB_INTEGRATION_TRACKING_KEY . ']=' . $tracking_name;
}
return sprintf(
self::$pixelNoscriptCode,
self::$pixelId,
$event,
$data);
}
/**
* Gets FB pixel AddToCart code
*/
public static function getPixelAddToCartCode($param = array(), $tracking_name = '', $with_script_tag = true) {
return self::getPixelTrackCode(
self::ADDTOCART,
$param,
$tracking_name,
$with_script_tag);
}
/**
* Gets FB pixel InitiateCheckout code
*/
public static function getPixelInitiateCheckoutCode($param = array(), $tracking_name = '', $with_script_tag = true) {
return self::getPixelTrackCode(
self::INITIATECHECKOUT,
$param,
$tracking_name,
$with_script_tag);
}
/**
* Gets FB pixel Lead code
*/
public static function getPixelLeadCode($param = array(), $tracking_name = '', $with_script_tag = true) {
return self::getPixelTrackCode(
self::LEAD,
$param,
$tracking_name,
$with_script_tag);
}
/**
* Gets FB pixel PageView code
*/
public static function getPixelPageViewCode($param = array(), $tracking_name = '', $with_script_tag = true) {
return self::getPixelTrackCode(
self::PAGEVIEW,
$param,
$tracking_name,
$with_script_tag);
}
/**
* Gets FB pixel Purchase code
*/
public static function getPixelPurchaseCode($param = array(), $tracking_name = '', $with_script_tag = true) {
return self::getPixelTrackCode(
self::PURCHASE,
$param,
$tracking_name,
$with_script_tag);
}
/**
* Gets FB pixel ViewContent code
*/
public static function getPixelViewContentCode($param = array(), $tracking_name = '', $with_script_tag = true) {
return self::getPixelTrackCode(
self::VIEWCONTENT,
$param,
$tracking_name,
$with_script_tag);
}
}