src/Web/RequestHelper.php
public function getQueryParams()
    {
        if (!isset($this->_queryParams)) {
            $this->_queryParams = $this->reactRequest->getQueryParams();
        }
        return $this->_queryParams;
    }
public function getQueryParams()
    {
        if (!isset($this->_queryParams)) {
            $this->_queryParams = $this->reactRequest->getQueryParams();
        }
        return $this->_queryParams;
    }
Returns the request parameters given in the [[queryString]].

This method will return the contents of `$_GET` if params where not explicitly set.
@return array the request GET parameter values.
@see setQueryParams()