phpugph-1

<?php 

function test($string)
{
	$alpha = range('A', 'Z');

	$years = range(2013, 2012 + count($alpha));

	$array = array_combine($years, $alpha);

	list($year, $week) = str_split($string, 4);

	return $array[$year] . ' = '. $week;
}

echo test(201335);

?>