southern writes:  

A PHP library that makes encryption and decryption of text easy.

Requirements

PHP 7.2+
Openssl PHP extension

Installation

Simply add a dependency on stymiee/php-simple-encryption to your project's composer.json file if you use Composer to manage the dependencies of your project.

Here is a minimal example of a composer.json file that just defines a dependency on PHP Simple Encryption:

more: GitHub