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function __destruct() {
	$this->purgeTempFiles();
}

// public:
function purgeTempFiles() {
	foreach ($this->tempFilesToDelete as $tempFileToDelete) {
		if (file_exists($tempFileToDelete)) {
			$this->DebugMessage('Deleting temp file "'.$tempFileToDelete.'"', __FILE__, __LINE__);
			@unlink($tempFileToDelete);
		}
	}
	$this->tempFilesToDelete = array();
	return true;
}