base64_decode
    (PHP 3, PHP 4 )
base64_decode -- Decodes data encoded with MIME base64
Description
string 
base64_decode ( string encoded_data)
     base64_decode() decodes
     encoded_data and returns the original
     data or FALSE on failure. The returned data may be binary.
    
     
Example 1. base64_decode() example <?php
$str = 'VGhpcyBpcyBhbiBlbmNvZGVkIHN0cmluZw==';
echo base64_decode($str);
?>  |  
 
       This example will produce :
       This is an encoded string  |  
  | 
    
     See also base64_encode() and
     RFC 2045 section 6.8.