PayPal\Core\PayPalHttpConfig::getHeaders PHP Method

    public function getHeaders()
    {
        return $this->headers;
    }

 /**
  * Gets all Http Headers
  *
  * @return array
  */
 private function getHttpHeaders()
 {
     $ret = array();
     foreach ($this->httpConfig->getHeaders() as $k => $v) {
         $ret[] = "{$k}: {$v}";
     }
     return $ret;
 }