bool isLocked(Request $request)

addSurrogateCapability(Request $request)

string renderIncludeTag(string $uri, string $alt = null, bool $ignoreErrors = true, string $comment = '')

interface SurrogateInterface Methods string

string getName() Returns surrogate name.

class Ssi implements

addSurrogateControl(Response $response)

update(Response $response)

terminate(Request $request,

bool needsParsing(Response $response)