src/Guzzle/Plugin/Cache/DefaultCacheStorage.php
protected function getBodyKey($url, EntityBodyInterface $body)
    {
        return $this->keyPrefix . md5($url) . $body->getContentMd5();
    }
protected function getBodyKey($url, EntityBodyInterface $body)
    {
        return $this->keyPrefix . md5($url) . $body->getContentMd5();
    }
protected function getBodyKey ( $ url , EntityBodyInterface $ body ) { return $ this -> keyPrefix . md5 ( $ url ) . $ body -> getContentMd5 ( ) ; }
Create a cache key for a response's body

@param string              $url  URL of the entry
@param EntityBodyInterface $body Response body

@return string
Create a cache key for a response s body