PHP Encryption and decryption method

The Base64 BASE64 encoding can be used to pass long identity information in an HTTP environment Base64_encode Base64_decode
Serialize can store a class (object) as a string. You can use Unserialize to restore stored classes (objects) Serialize Unserialize
JSON data Interchange Format. The value can be: number, string, logical value, array, object, NULL. Available in multiple languages Json_encode Json_decode

(I have limited knowledge, there are more please leave a message!thinks)

PHP Encryption and decryption method