readlink
    (PHP 3, PHP 4 )
readlink -- Returns the target of a symbolic link
Description
string 
readlink ( string path)
    readlink() does the same as the readlink C
    function and returns the contents of the symbolic link path or 0
    in case of error.
    
    
Example 1. readlink() example <?php
// output e.g. /boot/vmlinux-2.4.20-xfs
echo readlink('/vmlinuz');
?> |  
  | 
    
     See also is_link(),
     symlink(), and
     linkinfo().