FileData::getSrc

public function getSrc($getFromFileIfPossible = true)
{
	if(!$this->src && $getFromFileIfPossible && $this->file instanceof File)
	{
		$fileArray = CFile::makeFileArray($this->file->getFileId());
		if(!is_array($fileArray))
		{
			return null;
		}
		$this->src = $fileArray['tmp_name'];
	}
	return $this->src;
}