/** * Get the absolute path of the filesystem object. * A canonicalized version of the absolute path will be returned if the filesystem object exists. * * @return string|null Absolute path of the filesystem object or null on failure. */ public function getAbsolutePath() { // Return the absolute path if it's cached if ($this->cache->has(self::CACHE_ABSOLUTE_PATH)) { return $this->cache->get(self::CACHE_ABSOLUTE_PATH, $this->path); } // Get the absolute path $path = FilesystemObjectHelper::getAbsolutePath($this); // Cache and return the absolute path $this->cache->set(self::CACHE_ABSOLUTE_PATH, $path); return $path; }