note 24819 deleted from function.strtotime by vincent

Note Submitter: jc@myrealbox.com ---- The code snippet given for validating date input does not work in all cases! Beware ... strtotime will not check to see if the date passed in is valid before trying to return a timestamp. This means that some inputs, like "1970-1-222" will return valid timestamps even though they are invalid dates. Use checkdate() to validate a date before passing it to the strtotime().