Fatal error: Uncaught Error: Call to undefined function openssl_cipher_iv_length() in C:\xampp\htdocs\index.php:16 Stack trace: #0 C:\xampp\htdocs\index.php(59): Secure->decrypt('+tEts2R/NjDARmu...') #1 {main} thrown in C:\xampp\htdocs\index.php on line 16