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<?
function date_sort($a, $b) {
list($a_month, $a_day, $a_year) = explode('/', $a);
list($b_month, $b_day, $b_year) = explode('/', $b);
if ($a_year > $b_year ) return 1;
if ($a_year < $b_year ) return -1;
if ($a_month > $b_month) return 1;
if ($a_month < $b_month) return -1;
if ($a_day > $b_day ) return 1;
if ($a_day < $b_day ) return -1;
return 0;
}
$dates = array('12/14/2000', '08/10/2001', '08/07/1999');
usort($dates, 'date_sort');
?>
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