PYTHON realpath

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Python replacement for PHP's realpath [ edit | history ] 
import os
os.path.realpath(path)

PHP realpath

PHP original manual for realpath [ show | php.net ]

realpath

(PHP 4, PHP 5)

realpath — Returns canonicalized absolute pathname

Description

string realpath ( string $path )

realpath() expands all symbolic links and resolves references to '/./', '/../' and extra '/' characters in the input path . and return the canonicalized absolute pathname.

Parameters

path

The path being checked.

Return Values

Returns the canonicalized absolute pathname on success. The resulting path will have no symbolic link, '/./' or '/../' components.

realpath() returns FALSE on failure, e.g. if the file does not exist.

Changelog

Version Description
5.3.0 Prior to this release realpath() would not fail on *BSD systems if only the last last path component did not exist.

Examples

Example #1 realpath() example

<?php
chdir('/var/www/');
echo realpath('./../../etc/passwd');
?>

The above example will output:

/etc/passwd

Example #2 realpath() on Windows

On windows realpath() will change unix style paths to windows style.

<?php
echo realpath('/windows/system32');
?>

The above example will output:

C:\WINDOWS\System32

See Also

  • basename() - Returns filename component of path
  • dirname() - Returns directory name component of path
  • pathinfo() - Returns information about a file path

Filesystem Functions
PHP Manual