Bastien Koert wrote: > On Wed, Feb 18, 2009 at 12:05 PM, PJ <af.gourmet@xxxxxxxxxxxx> wrote: > >> Stuart wrote: >>> 2009/2/18 PJ <af.gourmet@xxxxxxxxxxxx>: >>> >>>> 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 >>>> >>> 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 >>> >>> >> What confused me here is that often, in examples, there are all sorts of >> references to files and there seems to be no standard as to how to refer >> to them in non-scripts such as these e-mails. So, I thought that >> dirname(_FILE_) was a general reference to a directory name and a >> file... :-( >> I don't want to defend myself here, but I cannot be expected to know all >> functions and look up anything that might resemble a function... >> I still do not understand, and that is the keyword here, I am trying to >> understand things - what does /../header.php mean. I know the 2 dots >> mean a higher directory in Unix... but I understood that ../ would mean >> the root directory - so what is the / before the ../header.php mean? >> When including scripts or pages, i find that if I am referencing to the >> current directory, just the filename or /filename works. If the >> reference is up a level, ../ works >> >> e.g. to reference root/images/ from root/authors = ../images/file.ext >> from root = /images/file.ext or images/file.ext >> >> I haven't needed to go to a deeper level yet. >> >> -- >> >> Phil Jourdan --- pj@xxxxxxxxxxxxx >> http://www.ptahhotep.com >> http://www.chiccantine.com >> >> >> -- >> PHP General Mailing List (http://www.php.net/) >> To unsubscribe, visit: http://www.php.net/unsub.php >> >> > > ../../ means go up two directories from the current working directory that > your file is in Thanks, I know that.... it's the dirname and the _FILE_ that were not clear but why would I want to complicate things when my original works fine and adding dirname(_FILE_) is just extra typing. Original: include ("lib/header1.php"); change: include dirname(_FILE_)."/lib/header1.php"; works, but what have I gained? Maybe my application is just not sophisticated enough... -- Phil Jourdan --- pj@xxxxxxxxxxxxx http://www.ptahhotep.com http://www.chiccantine.com -- PHP General Mailing List (http://www.php.net/) To unsubscribe, visit: http://www.php.net/unsub.php
