PO::poify( string $string )

	public static function poify($string) {
		$quote = '"';
		$slash = '\\';
		$newline = "\n";

		$replaces = array(
			"$slash" 	=> "$slash$slash",
			"$quote"	=> "$slash$quote",
			"\t" 		=> '\t',
		);

		$string = str_replace(array_keys($replaces), array_values($replaces), $string);

		$po = $quote.implode("${slash}n$quote$newline$quote", explode($newline, $string)).$quote;
		// add empty string on first line for readbility
		if (false !== strpos($string, $newline) &&
				(substr_count($string, $newline) > 1 || !($newline === substr($string, -strlen($newline))))) {
			$po = "$quote$quote$newline$po";
		}
		// remove empty strings
		$po = str_replace("$newline$quote$quote", '', $po);
		return $po;
	}