Getting root directory name from a directory string - PHP

Question

I have a variable like

$dir = "dir1/dir2/dir3"etc..etc..

I want to extract dir1 from this string, which is the root directory name. How can I do this using PHP?

possible duplicate of Remove root directory from a directory path string - PHP - Please do not create pairing questions which are actually a duplicate. Also you are invited to use the search of this website. — hakre
– hakre, Commented Jul 1, 2012 at 14:46

Overkillica · Accepted Answer · 2012-03-14 05:28:23Z

4

Try this:

$dirArr = explode('/', $dir);
$rootDir = $dirArr[0];

answered Mar 14, 2012 at 5:28

Overkillica

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jhogendorn · Accepted Answer · 2012-03-14 05:28:47Z

1

The simplest answer would be to $dirs = explode('/', $dir) and then array_shift($dirs) but thats not as robust as it could be. Do you know where this is on your filesystem? A better answer will reveal itself with more context...

answered Mar 14, 2012 at 5:28

jhogendorn

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