/**
* Changes prefix for all entries given key prefix
*
* @param string $sourcePrefix
* @param string $targetPrefix
*
* @return bool true if successful
*/
public function changePrefix($sourcePrefix, $targetPrefix)
{
$sourceCachePath = $this->createCachePath($sourcePrefix, true);
if (!$this->backend->hasDirectory($sourceCachePath)) {
return false;
}
$targetCachePath = $this->createCachePath($targetPrefix, true);
return $this->backend->rename($sourceCachePath, $targetCachePath);
}
/**
* Saves the resized image in backend
*
* @return bool true if saved successfully
*/
public function save()
{
if (!$this->backend->hasDirectory($this->getDirectory())) {
$this->backend->createDir($this->getDirectory());
}
$saved = $this->backend->put($this->getFilePath(), $this->resizedImageData);
if ($saved) {
$this->timestamp = time();
}
return $saved;
}