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<?php
namespace Spatie\GoogleTagManager;
class DataLayer
{
/**
* @var array
*/
protected $data;
public function __construct($data = [])
$this->data = $data;
}
* Add data to the data layer. Supports dot notation.
* Inspired by laravel's config repository class.
*
* @param array|string $key
* @param mixed $value
public function set($key, $value = null)
if (is_array($key)) {
foreach ($key as $innerKey => $innerValue) {
array_set($this->data, $innerKey, $innerValue);
return;
array_set($this->data, $key, $value);
* Empty the data layer.
public function clear()
$this->data = [];
* Return a json representation of the data layer.
* @return string
public function toJson()
return empty($this->data) ? null : json_encode($this->data);
spatie /
laravel4-googletagmanager
