Expiry functionality in Flash?

[FONT=Times New Roman][SIZE=3]Hello,[/SIZE][/FONT]
[FONT=Times New Roman][SIZE=3]I would like to find out whether there is a time-out or expiry functionality in Flash, a kind of counter that determines when the [/SIZE][/FONT]
[FONT=Times New Roman][SIZE=3]Flash file (either .swf or .exe ) was first opened and then counts down a number of days, at the end of which the files are disabled?[/SIZE][/FONT]
[FONT=Times New Roman][SIZE=3] [/SIZE][/FONT]
[FONT=Times New Roman][SIZE=3]It would be great is someone could point me in the right direction, thanks![/SIZE][/FONT]
[FONT=Times New Roman][SIZE=3]midi[/SIZE][/FONT]

You could use php to check the date on the server, like this:

$timestamp = time();