public function getPostedHash()
    {
        if ($signatureKey = $this->getSignatureKey()) {
            return strtoupper($this->httpRequest->request->get('x_SHA2_Hash'));
        }

        return strtolower($this->httpRequest->request->get('x_MD5_Hash'));
    }
public function getPostedHash()
    {
        if ($signatureKey = $this->getSignatureKey()) {
            return strtoupper($this->httpRequest->request->get('x_SHA2_Hash'));
        }

        return strtolower($this->httpRequest->request->get('x_MD5_Hash'));
    }
public function getPostedHash ( ) { if ( $ signatureKey = $ this -> getSignatureKey ( ) ) { return strtoupper ( $ this -> httpRequest -> request -> get ( 'x_SHA2_Hash' ) ) ; } return strtolower ( $ this -> httpRequest -> request -> get ( 'x_MD5_Hash' ) ) ; }
Get posted hash from the callback from the Authorize.Net gateway.

@return string|null
Get posted hash from the callback from the Authorize . Net gateway .