L0v4k2vK

1<?
2/**
3 *  Function to encrypt and decrypt a string.
4 * @param $string
5 * @param string $action
6 *
7 * @return bool|string
8 */
9function _custom_encrypt_decrypt($string, $action = 'encrypt') {
10  $secret_key = 'k;Yj>+kZ@CHBJQDs*G=2!uRXE+4;)H(M';
11  $secret_iv = 'F5a:~+EQAj#:>zazNWN6GP3JEWX75h-@';
12  $output = FALSE;
13  $encrypt_method = "AES-256-CBC";
14  $key = hash('sha256', $secret_key);
15  $iv = substr(hash('sha256', $secret_iv), 0, 4);
16  if ($action == 'encrypt') {
17    $output = base64_encode(openssl_encrypt($string, $encrypt_method, $key, 0, $iv));
18  }
19  elseif ($action == 'decrypt') {
20    $output = openssl_decrypt(base64_decode($string), $encrypt_method, $key, 0, $iv);
21  }
22  return $output;
23}