/**
* 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;
}
