RE: [PHP-DB] Use date in For Loop

-----BEGIN PGP SIGNED MESSAGE----- Hash: SHA1 Ignatius Reilly wrote: > I don't understand the design of your loop. > > I tried the following: > > $dt = '2003-04-22' ; > $to = '2003-04-30'; > > for ( $x = $dt; $x < $to ; ++$x ) > { > print $x."<br/>" ; > } > > which returns: > > 2003-04-22 > 2003-04-23 > 2003-04-24 > 2003-04-25 > 2003-04-26 > 2003-04-27 > 2003-04-28 > 2003-04-29 > > The comparison works allright because it will compare $dt and > $to as strings in the lexicographic order, whereby dates in > the YYY-MM-DD compare correctly. > True, that works with one less function call to make, but... > The increment also works allright, albeit I do not know why (?) > This wouldn't work for $dt = "2003-04-26" and $to = "2003-05-05" for example. Converting to a timestamp you could increment by 86400 to get the next day. Cheers, Greg. > HTH > Ignatius > ____________________________________________ > ----- Original Message ----- > From: "Greg Wiley" <greg@wileysworld.org> > To: "'Ramesh PAtel '" <ramesh@banas.guj.nic.in>; > <php-db@lists.php.net> > Sent: Thursday, May 01, 2003 1:40 PM > Subject: RE: [PHP-DB] Use date in For Loop > > >> Ramesh PAtel wrote: >>> Hi All >>> >>> please give one help >>> >>> I want to us date variable in for loop Condition. >>> >>> But it not working Properly. >>> $dt='2003-04-22' ; >>> $to='2003-04-30'; >>> >>> FOR ( $dt=$dt; $dt > $to ; ) >>> { >>> print "XYz"; >>> } >>> >> You can't do this. What you need to do is convert your date into a >> timestamp using mktime() and then do the comparison. >> >> Cheers, Greg. >> >> >> >> >> >> -- >> PHP Database Mailing List (http://www.php.net/) >> To unsubscribe, visit: http://www.php.net/unsub.php -----BEGIN PGP SIGNATURE----- Version: PGP 7.0 Comment: http://www.thus.co.uk/pgpinfo for more information iQA/AwUBPrESuCcZ9eykZgHcEQJaqgCgljZbbJvOhBM/oPZFsfMsKC6NVyAAn03m a6/5vsWwwB5e/pyEYxMKh/j/ =33WV -----END PGP SIGNATURE-----