protected function escapekeys($response = array())
{
if (is_array($response)) {
$escaped_response = array();
foreach ($response as $key => $value) {
if (is_integer($key)) {
$key = " " . $key;
}
if (is_array($value)) {
$value = $this->escapekeys($value);
}
$escaped_response[$key] = $value;
}
return $escaped_response;
}
return $response;
}