Twelve month historical reference (month/year) (non-rolling)

<?php
$format = "\M\o\\n\\t\h=n&\a\m\p;\Y\e\a\\r=Y"; //OUTPUT FORMAT  
$m = date('m');
$y = date('Y');
$dates = array();
for ($i = 1; $i < 13; ++$i) {
    if ($i == $m + 1)
        --$y;
    $dates[] = date($format, mktime(12, 0, 0, $i, 1, $y));
} 
/*
WHEN YOU PARSE THE ARRAY YOULL GET A LISTING OF MONTHS (JAN-DEC)
WHERE BY THE CURRENT MONTH BACK TO JAN ARE OF THE CURRENT YEAR
AND WHEREBY THE NEXT MONTH TO DEC ARE OF THE PREVIOUS YEAR
E.G
TODAY: JAN 2010
OUTPUT:
Month=1&Year=2010
Month=2&Year=2009
Month=3&Year=2009
Month=4&Year=2009
Month=5&Year=2009
Month=6&Year=2009
Month=7&Year=2009
Month=8&Year=2009
Month=9&Year=2009
Month=10&Year=2009
Month=11&Year=2009
Month=12&Year=2009

E.G 
TODAY: NOV 2010
OUTPUT:
Month=1&Year=2010
Month=2&Year=2010
Month=3&Year=2010
Month=4&Year=2010
Month=5&Year=2010
Month=6&Year=2010
Month=7&Year=2010
Month=8&Year=2010
Month=9&Year=2010
Month=10&Year=2010
Month=11&Year=2010
Month=12&Year=2009
*/
?>