__construct(array $contentTypes = array('text/html', 'text/xml', 'application/xhtml+xml', 'application/xml'))

Parameters

array

$contentTypes

An array of content-type that should be parsed for Surrogate information (default: text/html, text/xml, application/xhtml+xml, and application/xml)

ResponseCacheStrategyInterface createCacheStrategy()

Returns a new cache strategy instance.

Return Value

ResponseCacheStrategyInterface

A ResponseCacheStrategyInterface instance

bool hasSurrogateCapability(Request $request)

Checks that at least one surrogate has Surrogate capability.

Parameters

Request

$request

Return Value

bool	true if one surrogate has Surrogate capability, false otherwise

addSurrogateCapability(Request $request)

Adds Surrogate-capability to the given Request.

Parameters

Request

$request

bool needsParsing(Response $response)

Checks that the Response needs to be parsed for Surrogate tags.

Parameters

Response

$response

Return Value

bool	true if the Response needs to be parsed, false otherwise

string handle(HttpCache $cache, string $uri, string $alt, bool $ignoreErrors)

Handles a Surrogate from the cache.

Parameters

HttpCache	$cache	An HttpCache instance
string	$uri	The main URI
string	$alt	An alternative URI
bool	$ignoreErrors	Whether to ignore errors or not

Return Value

string

Exceptions

RuntimeException
Exception

protected removeFromControl(Response $response)

Remove the Surrogate from the Surrogate-Control header.

Parameters

Response

$response