On Fri, Mar 6, 2009 at 08:53, Stuart <[email protected]> wrote:
>>
>> 1.) We use regular open tags to be compatible with all stock
>> PHP configurations.
>> 2.) We echo out the response from dirname() so that it's
>> output to the HTML source.
>> 3.) We use dirname() twice, so it gives the dirname() of the
>> dirname(), rather than '..'.
>> 4.) There are double underscores around FILE. The same is
>> true with LINE, FUNCTION, etc.
>
> 5.) dirname() gives you the full path on disk, not the URL. Usually you can
> just remove the document root path to get the URL. This could be in
> $_SERVER['DOCUMENT_ROOT'] but you can't rely on that between servers or when
> the config changes.
6.) When used in conjunction with realpath()[1], it will
resolve the absolute local pathname.
^1: http://php.net/realpath
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