<!DOCTYPE html>
<html>
<body>

<?php
// Prints: October 3, 1975 was on a Friday
echo "Oct 3, 1975 was on a ".date("l", mktime(0,0,0,10,3,1975)) . " ";

//The mktime() function is useful for doing date arithmetic and validation.
//It will automatically calculate the correct value for out-of-range input:
echo date("M-d-Y",mktime(0,0,0,12,36,2001)) . " ";
echo date("M-d-Y",mktime(0,0,0,14,1,2001)) . " ";
echo date("M-d-Y",mktime(0,0,0,1,1,2001)) . " ";
echo date("M-d-Y",mktime(0,0,0,1,1,99)) . " ";
?>

</body>
</html>