<?php
/*     
PHP function to record a datetimestamp as a human-readable
long number and read it back in a different format.

Variables:
        $year   4 digit year (1900-3000)
        $mon    2 digit month (01-12)
        $day    2 digit day (01-31)
        $hour   2 digit hour (00-23)
        $min    2 digit hour (00-59)
        $sec    2 digit second (00-59)
*/


// Initialize
$datetimestamp = date('YmdHis',time());
$year = substr($datetimestamp,0,4);
$mon = substr($datetimestamp,4,2);
$day = substr($datetimestamp,6,2);
$hour = substr($datetimestamp,8,2);
$min = substr($datetimestamp,10,2);
$sec = substr($datetimestamp,12,2);
$datetime = mktime($hour,$min,$sec,$mon,$day,$year);


// Debug
echo "datetimestamp: ".$datetimestamp."<br />";
echo "year: ".$year."<br />";
echo "mon: ".$mon."<br />";
echo "day: ".$day."<br />";
echo "hour: ".$hour."<br />";
echo "min: ".$min."<br />";
echo "sec: ".$sec."<br />";


// Examples
$longdatetime = date("l, F d, Y g:i:s a",$datetime);
echo "longdatetime: ".$longdatetime."<br />";

$shortdatetime = date("D M d",$datetime);
echo "shortdatetime: ".$shortdatetime."<br />";

$numdatetime = date("Y-m-d H:i:s",$datetime);
echo "numdatetime: ".$numdatetime."<br />";

?>