Date Time Php

function GetTimeStamp($MySqlDate)
{
/*
Take a date in yyyy-mm-dd format and return it to the user
in a PHP timestamp
Robin 06/10/1999
*/
$date_array = explode("-",$MySqlDate); // split the array
$var_year = $date_array[0];
$var_month = $date_array[1];
$var_day = $date_array[2];
$var_timestamp = mktime(0,0,0,$var_month,$var_day,$var_year);
return($var_timestamp); // return it to the user
}
function GetDayDiff($ts_1, $ts_2)
{
/*
This will return the difference in days between two PHP timestamps
Robin 06/10/1999
*/
// calculate which is the larger so we never get negative answers
if ($ts_1 > $ts_2) {
// $ts_1 is larger
$var_days = ($ts_1 - $ts_2) / 86400; /// 60 / 60 / 24;
} elseif ($ts_1 < $ts_2) {
// $ts_1 is smaller
$var_days = ($ts_2 - $ts_1) / 86400; /// 60 / 60 / 24;
} else {
// they must be equal
$var_days = 0;
}
return($var_days); //return the value
}
?>