libsodium: the modern cryptographic library for PHP 7.
Performance/ Security
libsodium is a great and modern cryptography library and it is part of the PHP core since the 7.2 version (being the first language to do that!). We will see how to use it to securely encrypt and decrypt data with both symmetric and asymmetric approaches, how to safely store passwords and how to correctly hash data to guarantee authenticity. By doing that, you will surely boost your software security to a new level!