Description
string 
readlink ( string path )
    readlink() does the same as the readlink C
    function and returns the contents of the symbolic link path or FALSE
    in case of error.
    
    
| Example 1. readlink() example | 
<?php
 // output e.g. /boot/vmlinux-2.4.20-xfs
 echo readlink('/vmlinuz');
 
 ?>
 | 
 | 
    Note: This function is not
implemented on Windows platforms.
     See also is_link(),
     symlink(), and
     linkinfo().