Spyc is a YAML loader/dumper written in PHP. Given a YAML document, Spyc will return an array which you can use however you see fit. Given an array, Spyc will return a string which contains a YAML document built from your data.

YAML™ is an amazingly human friendly and strikingly versatile data serialization language which can be used for log files, config files, custom protocols, the works. For more information, see www.yaml.org.