PHP - Locate current directory from url

I need to be able locate the last directory of a domain, for example:

http://www.mydomain.com/mypage.php or http://mydomain.com

$currentdir = ''

or

http://www.mydomain/dir1/dir2/index.php

$currentdir ='dir2'

Example code would be much appreciated.

Thanks in advance.
Luv2MuffAsked:
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steelseth12Commented:
$path =  dirname($_SERVER['PHP_SELF']);


$getslash = strrpos($path,"/");

$directory = substr($path,$getslash+1);

print $directory;
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TomeeboyCommented:
This should work for you.  Be sure to change the $base_dir to whatever your base path is for your web directory.

<?php

$base_dir = "/your/base/web/directory";
$script_dir = getcwd();

if ($script_dir == $base_dir) {
     $current_dir = "";
} else {
     $current_dir = array_pop(explode($script_dir, "/"));
}

?>

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TomeeboyCommented:
If your file is in the base directory of your web site, I don't think steelseth12's method would work.  In that scenario, I think $_SERVER['PHP_SELF'] would return just the name of the file, which would then result in the $directory variable being set to that file name (minus the first character).
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TomeeboyCommented:
Actually, I think I overlooked something in steelseth12's solution.  Because of the use of dirname(), you may end up with just a slash or a dot as the path.  If that were to happen, then substr is going to return FALSE to the $directory variable.  Technically, I think it would still work, though I'm not sure if it's really the best way to do it.  I don't know if that would be the most reliable, or safe, method of getting the current directory (especially since I don't know what you're using this for).
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Luv2MuffAuthor Commented:
I accepted the answer from steelseth12

It was the first answer in, I have tested to 1 directory deep, and it seems to work perfectly.

Many, many thanks for all your help.

Luv2.
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TomeeboyCommented:
Ouch, 65 minutes vs. 66 minutes :)  Oh well, glad it works for you.  If you run into any issues, the answer I submitted should work without any problems.
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