$today = date("Ymd");
if($input_date > $today)
{ echo "Date must be before today!"; }It looks like you're dealing with MySQL dates. There are a ton of useful functions you can use in your queries that make any time manipulation in PHP unnecessary. Chapter 6, Date and Time Functions of the MySQL manual. ---John Holmes... > -----Original Message----- > From: Timothy J. Luoma [mailto:[EMAIL PROTECTED]] > Sent: Sunday, June 30, 2002 10:31 PM > To: PHP Mailing List > Subject: [PHP] checking date is not greater than today > > > I am trying to compare a given date string (i.e. June 30, 2002 is > 20020630). I want to make sure that the input string that is given is not > greater than today (i.e. if today is June 30, and you ask for 20020701, I > want to be able to throw an error). > > I'm a newbie, so I'm not sure the best way to do this. My thought was > that if I take the year (YYYY) and add on the day-of-year (i.e. Feb 10 = > 041) then I would be able to compare them as you would any other numbers. > > The problem I have then run into is that strftime and date seem to have > different opinions as to what day of the year it is. > > date > z - day of the year; i.e. "0" to "365" > > strftime > %j - day of the year as a decimal number (range 001 to 366) > > > I have these variables defined > > $SEARCHYEAR = YYYY > i.e 2002 > > $SEARCHMONTH = MM > i.e. 06 > > $SEARCHDAY = DD > i.e. 30 > > > $TODAYCMP=date ("Yz"); > > $SEARCHCMP=strftime("%Y%j",mktime(0,0,0,$SEARCHMONTH,$SEARCHDAY,$SEARCHY EA > R)); > > and then I tried it for today and got > > echo "<!-- TODAY is $TODAYCMP SEARCHCMP is $SEARCHCMP --> "; > > as a result I get > > <!-- TODAY is 2002180 SEARCHCMP is 2002181 --> > > > So I'm trying to figure out: > > A) Why strftime and date don't handle leap years the same way > > and (more importantly) > > B) The best way to make sure a given date YYYYMMDD is not greater than > "today" > > I did some googling & php.net searching without luck. > > Thanks > TjL > > > > > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
