/**
* Finalize response for delivery to client
*
* Apply final preparations to the resposne object
* so that it is suitable for delivery to the client.
*
* @param \Slim\Interfaces\Http\RequestInterface $request
* @return \Slim\Interfaces\Http\Response Self
* @api
*/
public function finalize(\Slim\Interfaces\Http\RequestInterface $request)
{
$sendBody = true;
if (in_array($this->status, array(204, 304)) === true) {
$this->headers->remove('Content-Type');
$this->headers->remove('Content-Length');
$sendBody = false;
} else {
$size = @$this->getSize();
if ($size) {
$this->headers->set('Content-Length', $size);
}
}
// Serialize cookies into HTTP header
$this->cookies->setHeaders($this->headers);
// Remove body if HEAD request
if ($request->isHead() === true) {
$sendBody = false;
}
// Truncate body if it should not be sent with response
if ($sendBody === false) {
$this->body->close();
$this->body = new \Guzzle\Stream\Stream(fopen('php://temp', 'r+'));
}
return $this;
}
/**
* Delete HTTP cookie header
*
* This method will construct and set the HTTP `Set-Cookie` header to invalidate
* a client-side HTTP cookie. If a cookie with the same name (and, optionally, domain)
* is already set in the HTTP response, it will also be removed. Slim uses this method
* instead of PHP's native `setcookie` method. This allows more control of the HTTP header
* irrespective of PHP's native implementation's dependency on PHP versions.
*
* This method accepts the \Slim\Http\Headers object by reference as its
* first argument; this method directly modifies this object instead of
* returning a value.
*
* @param \Slim\Interfaces\Http\HeadersInterface $headers
* @param string $name
* @param array $value
* @api
*/
public function deleteHeader(HeadersInterface &$headers, $name, $value = array())
{
$crumbs = $headers->has('Set-Cookie') ? explode("\n", $headers->get('Set-Cookie')) : array();
$cookies = array();
foreach ($crumbs as $crumb) {
if (isset($value['domain']) && $value['domain']) {
$regex = sprintf('@%s=.*domain=%s@', urlencode($name), preg_quote($value['domain']));
} else {
$regex = sprintf('@%s=@', urlencode($name));
}
if (preg_match($regex, $crumb) === 0) {
$cookies[] = $crumb;
}
}
if (!empty($cookies)) {
$headers->set('Set-Cookie', implode("\n", $cookies));
} else {
$headers->remove('Set-Cookie');
}
$this->setHeader($headers, $name, array_merge(array('value' => '', 'path' => null, 'domain' => null, 'expires' => time() - 100), $value));
}
/**
* Remove header
*
* @param string $name
* @api
*/
public function removeHeader($name)
{
$this->headers->remove($name);
}
