14 use Twig\Cache\CacheInterface;
15 use Twig\Cache\FilesystemCache;
16 use Twig\Cache\NullCache;
55     protected $cache;  variable in Twig\\Environment
101      *  * cache: An absolute path where to store the compiled templates,
102      *           a \Twig\Cache\CacheInterface implementation,
103      *           or false to disable compilation cache (default).
137             'cache' => false,
147         $this->setCache($options['cache']);
276      * Gets the current cache implementation.
278      * @param bool $original Whether to return the original cache option or the real cache instance
280      * @return CacheInterface|string|false A Twig\Cache\CacheInterface implementation,
282      *                                     or false to disable cache
286         return $original ? $this->originalCache : $this->cache;
290      * Sets the current cache implementation.
292      * @param CacheInterface|string|false $cache A Twig\Cache\CacheInterface implementation,
294      *                                           or false to disable cache
296     public function setCache($cache)  argument
298         if (\is_string($cache)) {
299             $this->originalCache = $cache;
300             $this->cache = new FilesystemCache($cache);
301         } elseif (false === $cache) {
302             $this->originalCache = $cache;
303             $this->cache = new NullCache();
304         } elseif (null === $cache) {
305 …@trigger_error('Using "null" as the cache strategy is deprecated since version 1.23 and will be re…
307             $this->cache = new NullCache();
308         } elseif ($cache instanceof CacheInterface) {
309             $this->originalCache = $this->cache = $cache;
311 …throw new \LogicException(sprintf('Cache can only be a string, false, or a \Twig\Cache\CacheInterf…
316      * Gets the cache filename for a given template.
320      * @return string|false The cache file name or false when caching is disabled
328         $key = $this->cache->generateKey($name, $this->getTemplateClass($name));
338      *  * The cache key for the given template;
409      * @throws RuntimeError When a previously generated cache is corrupted
439      * @throws RuntimeError When a previously generated cache is corrupted
467                 $key = $this->cache->generateKey($name, $mainCls);
470 …   if (!$this->isAutoReload() || $this->isTemplateFresh($name, $this->cache->getTimestamp($key))) {
471                 $this->cache->load($key);
487                     $this->cache->write($key, $content);
488                     $this->cache->load($key);
493                      * $this->cache is implemented as a no-op or we have a race condition
494                      * where the cache was cleared between the above calls to write to and load from
495                      * the cache.
502 … new RuntimeError(sprintf('Failed to load Twig template "%s", index "%s": cache might be corrupted…
632      * Clears the internal template cache.
644      * Clears the template cache files on the filesystem.
1626         $this->cache->write($file, $content);