protected function decrypt($data, $key)
    {
        $base64 = base64_decode($data, true);

        $keySize = openssl_cipher_iv_length(static::CRYPT_MODE);
        $key     = $this->generateKey($key);

        $iv      = substr($base64, 0, $keySize);
        $results = substr($base64, $keySize);

        $results = openssl_decrypt(
            $results, static::CRYPT_MODE, $key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $iv
        );

        return $results;
    }
protected function decrypt($data, $key)
    {
        $base64 = base64_decode($data, true);

        $keySize = openssl_cipher_iv_length(static::CRYPT_MODE);
        $key     = $this->generateKey($key);

        $iv      = substr($base64, 0, $keySize);
        $results = substr($base64, $keySize);

        $results = openssl_decrypt(
            $results, static::CRYPT_MODE, $key, OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING, $iv
        );

        return $results;
    }
protected function decrypt ( $ data , $ key ) { $ base64 = base64_decode ( $ data , true ) ; $ keySize = openssl_cipher_iv_length ( static :: CRYPT_MODE ) ; $ key = $ this -> generateKey ( $ key ) ; $ iv = substr ( $ base64 , 0 , $ keySize ) ; $ results = substr ( $ base64 , $ keySize ) ; $ results = openssl_decrypt ( $ results , static :: CRYPT_MODE , $ key , OPENSSL_RAW_DATA | OPENSSL_ZERO_PADDING , $ iv ) ; return $ results ; }
Decrypt the given session data.

@param string $data Data to decrypt
@param string $key

@return string Decrypted data
Decrypt the given session data .