/**
* @param string[]|false $headers
* @return string
*/
public static function headerToReason($headers)
{
if (!empty($headers)) {
$parsedHeaders = \GuzzleHttp\Psr7\parse_header($headers);
foreach ($parsedHeaders as $value) {
if (isset($value['error'])) {
return $value['error'];
}
}
}
return null;
}
/**
* Loads all links from a REST API response and entity object, whether from the header, response body, or any other properties available to extract useful links for this state instance.
*
* @return array
*/
protected function loadLinks()
{
$links = array();
//if there's a location, we'll consider it a "self" link.
$myLocation = $this->response->getHeader('Location');
if (isset($myLocation[0])) {
$links['self'] = new Link();
$links['self']->setRel('self');
$links['self']->setHref($myLocation[0]);
}
//load link headers
$linkHeaders = \GuzzleHttp\Psr7\parse_header($this->response->getHeader('Link'));
foreach ($linkHeaders as $linkHeader) {
$linkHeader['href'] = trim($linkHeader[0], '<>');
if (isset($linkHeader['rel'])) {
$link = new Link($linkHeader);
$links[$linkHeader['rel']] = $link;
}
}
//load links from the entity.
if (isset($this->entity) && $this->entity->getLinks() != null) {
$links = array_merge($links, $this->entity->getLinks());
}
$scope = $this->getScope();
if (isset($scope) && is_object($scope)) {
$links = array_merge($links, $scope->getLinks());
}
return $links;
}
/**
* @return array
*/
public function getLastLinks()
{
return \GuzzleHttp\Psr7\parse_header($this->lastResponse->getHeader('Link'));
}