string renderIncludeTag(string $uri, string $alt = null, bool $ignoreErrors = true, string $comment = '') Renders a Surrogate tag. Parameters string $uri A URI string $alt An alternate URI bool $ignoreErrors Whether to ignore errors or not string $comment A comment to add as an esi:include tag Return Value string

class SsiFragmentRenderer extends AbstractSurrogateFragmentRenderer Implements the SSI rendering strategy. Methods setFragmentPath(string $path) Sets the fragment path that triggers the fragment listener. from RoutableFragmentRenderer __construct(SurrogateInterface $surrogate = null, FragmentRendererInterface $inlineStrategy, UriSigner $signer = null) Constructor. from AbstractSurrogateFragmentRenderer Response render(string|ControllerReference $uri, Request $request, array $opti

bool hasSurrogateCapability(Request $request) Checks that at least one surrogate has Surrogate capability. Parameters Request $request A Request instance Return Value bool true if one surrogate has Surrogate capability, 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

bool needsParsing(Response $response) Checks that the Response needs to be parsed for Surrogate tags. Parameters Response $response A Response instance Return Value bool true if the Response needs to be parsed, false otherwise

string getName() Returns surrogate name. Return Value string

Response process(Request $request, Response $response) Replaces a Response Surrogate tags with the included resource content. Parameters Request $request A Request instance Response $response A Response instance Return Value Response

ResponseCacheStrategyInterface createCacheStrategy() Returns a new cache strategy instance. Return Value ResponseCacheStrategyInterface A ResponseCacheStrategyInterface instance

addSurrogateCapability(Request $request) Adds Surrogate-capability to the given Request. Parameters Request $request A Request instance

addSurrogateControl(Response $response) Adds HTTP headers to specify that the Response needs to be parsed for Surrogate. This method only adds an Surrogate HTTP header if the Response has some Surrogate tags. Parameters Response $response A Response instance