Support for rename().
This file will not be renamed as this is a read-only stream wrapper.
string $from_uri,: The uri to the file to rename.
string $to_uri: The new uri for file.
bool FALSE as file will never be renamed.
Overrides PhpStreamWrapperInterface::rename
http://php.net/manual/en/streamwrapper.rename.php
public function rename($from_uri, $to_uri) {
trigger_error('rename() not supported for read-only stream wrappers', E_USER_WARNING);
return FALSE;
}