src/Web/RequestHelper.php
public function getRawBody()
    {
        if ($this->_rawBody === null) {
            $this->_rawBody = $this->reactRequest->getBody();
        }

        return $this->_rawBody;
    }
public function getRawBody()
    {
        if ($this->_rawBody === null) {
            $this->_rawBody = $this->reactRequest->getBody();
        }

        return $this->_rawBody;
    }
Returns the raw HTTP request body.
@return string the request body