(PHP4 >= 4.0b4)
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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