<?php
$meseci = array("1"=>"31", "2"=>"28", "3"=>"31", "4"=>"30", "5"=>"31", "6"=>"30",
"7"=>"31", "8"=>"31", "9"=>"30", "10"=>"31", "11"=>"30", "12"=>"31");

$year = 1976;
$month = 12;
$day = 28;

$cDay = date(d);
$cMonth = date(m);
$cYear = date(Y);

if ($cDay < $day) {
$cDay = $cDay + $meseci[$month];
if ($cMonth == 1) {
$cMonth = 12;
--$cYear;
}
else {
--$cMonth;
};
};
$day = $cDay - $day;

if ($cMonth < $month) {
$cMonth = $cMonth + 12;
--$cYear;
}
$month = $cMonth - $month;

$year = $cYear - $year;

echo "Някой е на $year години, $month месеца и $day дни ;)";
?>