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# realpath

(PHP 4 >= 4.0.0)

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. The resulting path will have no symbolic link, '/./' or '/../' components.

Example 1. realpath() example
    $real_path = realpath ("../../index.php");

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