Data Layer generator
composer require zdenekgebauer/google-tag-manager
$event = new EventShare();
$event->method = 'Twitter';
$event->contentType = 'image';
$event->itemId = 'C_12345';
echo ((new DataLayer($event))->render()); // window.dataLayer.push({"event":"share","content_type":"image","item_id":"C_12345"});
$event = new EventPurchase();
$event->transactionId = '1234';
$event->value = '9.99';
$event->currency = 'USD';
$item = new Item('SKU12', 'Some gadget', 9.99, 1);
$item->brand = 'Acme';
$item->category = 'Cool Gadgets';
$event->addItem($item);
echo ((new DataLayer($event))->render());
class MyDataLayerContent extends DataLayerContent
{
public ?string $requiredProperty = null;
public ?string $optionalProperty = null;
public function __construct()
{
$this->requiredProperties = ['requiredProperty'];
}
/**
* @throws Exception
*/
public function assertValid(): void
{
parent::assertValid(); // check required properties
// .... some additional check
}
public function jsonSerialize(): stdClass
{
$result = new stdClass();
$result->required_property = $this->requiredProperty;
Utils::addProperty($result, 'optional', $this->optionalProperty);
return $result;
}
}
$content = new MyDataLayerContent();
$content->requiredProperty = 'some';
echo ((new DataLayer($content))->render()); // window.dataLayer.push({"required_property":"some"});
[Google Analytics 4 events] https://developers.google.com/analytics/devguides/collection/ga4/reference/events
[Google Analytics 4 events for ecommerce] https://developers.google.com/analytics/devguides/collection/ga4/ecommerce?client_type=gtm
Released under the WTFPL license http://www.wtfpl.net/about/.