PHP encryption <=> Ruby decryption using aes 256 cbc

decryption.rb

require "openssl"
require "base64"
data = "yKji5PQto8hUuj6bPcgXWQ=="

PASSWORD = '!!!!!sufficiently_long_password!!!!!';
CIPHER_METHOD = 'AES-256-CBC';

cipher = OpenSSL::Cipher.new(CIPHER_METHOD)
data=URI.decode(data)
str = Base64.urlsafe_decode64(data)

cipher.decrypt  # set cipher to be encryption mode
cipher.key = PASSWORD
cipher.update(str) + cipher.final

      

encrypt.php

const PASSWORD = '!!!!!sufficiently_long_password!!!!!';
const CIPHER_METHOD = 'AES-256-CBC';
function encrypt($str) {
  $val = openssl_encrypt($str, CIPHER_METHOD, PASSWORD);
  return $val;
}

$plain_data = 'TEST STRING';
$encrypted = encrypt($plain_data);
echo $encrypted."\n";

encryption demo: https://repl.it/H9Er/1
decryption demo: https://repl.it/9MW/8