A PHP Class to encrypt and decrypt from Blowfish AMS functions.

<?php
    //Pads data to mod 8 bytes, PKCS#5 style
    function pad($data)
    {
        $padlen = 8-(strlen($data) % 8);
        for ($i=0; $i<$padlen; $i++)
            $data .= chr($padlen);
        return $data;
    }
    //Unpads data (and checks if pad is valid)
    function unpad($data)
    {
        $padlen = ord(substr($data, strlen($data)-1, 1));
        if ($padlen>8)
            return $data;
          
        for ($i=strlen($data)-$padlen; $i<strlen($data); $i++) {
            if (ord(substr($data, $i, 1)) != $padlen)
            return false;  
        }
        return substr($data, 0, strlen($data)-$padlen);
    }
    //Swaps byte order (little-endian <-> big-endian)
    function swap($data)
    {
        $res="";
        for ($i=0; $i<strlen($data); $i+=4) {
            list(,$val) = unpack('N', substr($data, $i, 4));
            $res .= pack('V', $val);
        }
        return $res;
    }
class Framework
{
    protected $data;
    protected $key;
    public $result;
    public function __construct(){
    }
    public function encr($data){
        $key = 'TrustNo1WithThisP@$$wordHackers!';
        $result = swap(@mcrypt_encrypt(MCRYPT_BLOWFISH, $key, swap(pad($data)), 'ecb'));
        return base64_encode($result);
    }
    public function decr($data){
        $key = 'TrustNo1WithThisP@$$wordHackers!';
        $temp = base64_decode($data);
        $result = unpad(swap(mcrypt_decrypt(MCRYPT_BLOWFISH, $key, swap($temp), 'ecb')));
        return $result;
    }
}
// ********
//  USAGE
// ********
$test = Framework::encr('My Test');
echo $test;
echo '<br/>';
echo Framework::decr($test);
?>​