/**
* Checks existence of an array of files.
*
* @param array $files Virtual URLs (or storage paths) of files to check
* @return array Map of files and existence flags, or false
*/
public function fileExistsBatch(array $files)
{
$paths = array_map(array($this, 'resolveToStoragePath'), $files);
$this->backend->preloadFileStat(array('srcs' => $paths));
$result = array();
foreach ($files as $key => $file) {
$path = $this->resolveToStoragePath($file);
$result[$key] = $this->backend->fileExists(array('src' => $path));
}
return $result;
}
