private function addFromString($filename, $content)
    {
        $this->repository->addFromString($this->getInternalPath().$filename, $content);
    }
private function addFromString($filename, $content)
    {
        $this->repository->addFromString($this->getInternalPath().$filename, $content);
    }
private function addFromString ( $ filename , $ content ) { $ this -> repository -> addFromString ( $ this -> getInternalPath ( ) . $ filename , $ content ) ; }
Add the file to the zip from content

@param $filename
@param $content
Add the file to the zip from content