Advent of Code is a series of small programming puzzles for a variety of skill levels. They are self-contained and are just as appropriate for an expert who wants to stay sharp as they are for a beginner who is just learning to code. Each puzzle calls upon different skills and has two parts that build on a theme. This repository contains solutions to the aforementioned puzzles.

• AoC 2015: PHP >= 5.5
• AoC 2016: PHP >= 7.0
• AoC 2017: PHP >= 7.0