name : AugmentedVariables.php <?php namespace Statamic\Globals; use Statamic\Data\AbstractAugmented; class AugmentedVariables extends AbstractAugmented { private $cachedKeys; public function keys() { if ($this->cachedKeys) { return $this->cachedKeys; } return $this->cachedKeys = $this->data->values()->keys() ->merge($this->blueprintFields()->keys()) ->unique()->sort()->values()->all(); } public function site() { if ($site = $this->data->value('site')) { return $this->wrapValue($site, 'site'); } } public function title() { if ($title = $this->data->value('title')) { return $this->wrapValue($title, 'title'); } } }