What is the primary purpose of Binary Functions in PHP?

Reference guide for PHP binary and hex data conversion functions: bin2hex, hex2bin, pack, and unpack.

Are Binary Functions enabled by default in PHP 8?

Yes, standard Binary Functions are core parts of the PHP standard library and require no external PECL extensions.

PHP Binary Functions Reference Guide

This reference page provides a comprehensive, alphabetical catalog of all built-in Binary Functions in PHP. In modern web development and university exams (BCA, BSc CS, B.Tech), understanding these core functions accelerates programming speed and prevents you from reinventing existing standard library tools.

Quick Tip: In modern PHP 8, you can use named arguments to specify parameters without having to memorize optional default argument positions!