/**
* Outputs a response depending on the set cURL option.
*
* The response body can be written to a file, returned, echoed or
* passed to a custom function.
*
* The response header might be passed to a custom function.
*
* @param Response $response Response which contains the response body.
* @param array $curlOptions cURL options which are not stored within the Response.
* @param resource $ch cURL handle to add headers if needed.
*
* @return null|string
*/
public static function handleOutput(Response $response, array $curlOptions, $ch)
{
if (isset($curlOptions[CURLOPT_HEADERFUNCTION])) {
$headers = $response->getRawHeaders();
call_user_func($curlOptions[CURLOPT_HEADERFUNCTION], $ch, $headers);
}
$body = (string) $response->getBody(true);
if (!empty($curlOptions[CURLOPT_HEADER])) {
$body = $response->getRawHeaders() . $body;
}
if (isset($curlOptions[CURLOPT_WRITEFUNCTION])) {
call_user_func($curlOptions[CURLOPT_WRITEFUNCTION], $ch, $body);
} elseif (isset($curlOptions[CURLOPT_RETURNTRANSFER]) && $curlOptions[CURLOPT_RETURNTRANSFER] == true) {
return $body;
} elseif (isset($curlOptions[CURLOPT_FILE])) {
$fp = $curlOptions[CURLOPT_FILE];
fwrite($fp, $body);
fflush($fp);
} else {
echo $body;
}
}
/**
* Seeks to specific location in a stream.
*
* @param integer $offset The stream offset to seek to.
* @param integer $whence Possible values:
* SEEK_SET - Set position equal to offset bytes.
* SEEK_CUR - Set position to current location plus offset.
* SEEK_END - Set position to end-of-file plus offset.
* @return boolean Return TRUE if the position was updated, FALSE otherwise.
*/
public function stream_seek($offset, $whence)
{
switch ($whence) {
case SEEK_SET:
if ($offset < strlen($this->response->getBody()) && $offset >= 0) {
$this->position = $offset;
return true;
}
break;
case SEEK_CUR:
if ($offset >= 0) {
$this->position += $offset;
return true;
}
break;
case SEEK_END:
if (strlen($this->response->getBody()) + $offset >= 0) {
$this->position = strlen($this->response->getBody()) + $offset;
return true;
}
}
return false;
}
