Model/Query.php
public function __isset($name): bool {
		if(strrpos($name, 'facet_', -strlen($name)) !== false) {
			return true;
		}

		return false;
	}
public function __isset($name): bool {
		if(strrpos($name, 'facet_', -strlen($name)) !== false) {
			return true;
		}

		return false;
	}
Checks whether the given property is set or not

@param string $name
@return boolean