View file File name : CallbackCanCacheStrategy.php Content :<?php namespace Guzzle\Plugin\Cache; use Guzzle\Common\Exception\InvalidArgumentException; use Guzzle\Http\Message\RequestInterface; use Guzzle\Http\Message\Response; /** * Determines if a request can be cached using a callback */ class CallbackCanCacheStrategy extends DefaultCanCacheStrategy { /** @var callable Callback for request */ protected $requestCallback; /** @var callable Callback for response */ protected $responseCallback; /** * @param \Closure|array|mixed $requestCallback Callable method to invoke for requests * @param \Closure|array|mixed $responseCallback Callable method to invoke for responses * * @throws InvalidArgumentException */ public function __construct($requestCallback = null, $responseCallback = null) { if ($requestCallback && !is_callable($requestCallback)) { throw new InvalidArgumentException('Method must be callable'); } if ($responseCallback && !is_callable($responseCallback)) { throw new InvalidArgumentException('Method must be callable'); } $this->requestCallback = $requestCallback; $this->responseCallback = $responseCallback; } public function canCacheRequest(RequestInterface $request) { return $this->requestCallback ? call_user_func($this->requestCallback, $request) : parent::canCacheRequest($request); } public function canCacheResponse(Response $response) { return $this->responseCallback ? call_user_func($this->responseCallback, $response) : parent::canCacheResponse($response); } }