Which function in PHP gives us absolute path of a file on the server?

<?php
$p = getcwd();
echo $p;
?>

Ans: getcwd()

Here I have stored my files under httdocs (using php5,i haven't checked under php4) so I get the output as C:\apache2triad\htdocs
you may get your path information while runnings the above code. :)

$_SERVER['DOCUMENT_ROOT']

Submitted by Sanil Shet (not verified) on Sat, 12/26/2009 - 17:39.

$_SERVER['DOCUMENT_ROOT'] returns the file system path to your root directory

or why not use the magic

Submitted by Anonymous (not verified) on Mon, 12/21/2009 - 15:25.

or why not use the magic constant __FILE__?

$doc_root = dirname(__FILE__);
?>

we can use

Submitted by narmada (not verified) on Mon, 07/27/2009 - 17:16.

we can use $_SERVER['DOCUMENT_ROOT'] for getting absolute path, but what was asked in the question is the FUNCTION in php to get the absolute path so getcwd() is the ans

we can't use

Submitted by kiran (not verified) on Fri, 01/01/2010 - 16:55.

we can use $_SERVER['DOCUMENT_ROOT'] for getting absolute path, because it gives path only up to document root
for eg:
suppose your file is in C:/wamp/www/sample
$_SERVER['DOCUMENT_ROOT'] will give only C:/wamp/www/
but getcwd() will give C:/wamp/www/sample

Why do not use

Submitted by ramesh (not verified) on Wed, 05/13/2009 - 16:45.

Why do not use $_SERVER['DOCUMENT_ROOT'] for getting absolute path>

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