Re: Full versus relative URLs

----------------------------------------------------------------------- Use FreeOpenSourceSoftwares, Stop piracy, Let the developers live. Get a Free CD of Ubuntu mailed to your door without any cost. Visit : www.ubuntu.com ---------------------------------------------------------------------- On Wed, Feb 18, 2009 at 8:02 PM, Stuart <stuttle@gmail.com> wrote: > 2009/2/18 PJ <af.gourmet@videotron.ca>: > > Stuart wrote: > >>>> <?php include dirname(__FILE__)."/../header.php"; ?> > > This generates a Fatal error: Cal to undefined function dirname() .... > ???? > > The dirname function is present in both PHP 4 and 5 and does not rely > on any external libraries. Are you sure you're spelling it right? > > http://php.net/dirname > > > I must be really dense... > > What I don't understand in the above is this - dirname refers to what > > directory? -- the directory of the file that is including? what if the > > directory is the root directory of the site? > > > > (_FILE_) = what? - (_filename.ext_) or (filename.ext) --- what file is > > this, the file which is including the file header.php? > > The __FILE__ (note 2 _'s either side) constant is the full path and > filename to the current script. The dirname function knocks the > filename off it to give you the directory the current script is in. > You can then append a / and then the relative path to the script you > want to include. By doing this you're ensuring that all includes are > relative to the current script and are not affected by ini settings or > anything else. > > > and what does the . mean and then "/../header.php" --- I don't > > understand what to enter here > . (dot) is string concatenator/concatenation operator. And .. (double dot) used in a path is a shorthand for parent directory. Goto your command console . ie. CMD or Command.com or linux console type cd .. and press enter it will take you to one level up. also in this shorthand . (a single dot) means current directory/folder (please dont mixup with concatenation operator) > > > The . is the string append operator. I tend to assume the most basic > level of PHP knowledge from users of this list and I include the > string append operator in that set. You might want to find a beginners > tutorial for PHP and work through that to give you a solid foundation > before attempting to work with multiple scripts. > > -Stuart > > -- > http://stut.net/ > > -- > PHP General Mailing List (http://www.php.net/) > To unsubscribe, visit: http://www.php.net/unsub.php > >