PHP-Textile is a Textile markup language parser written in PHP. Textile takes lightweight markup language that takes human-readable plaintext and converts it into well formed HTML.

master	Has a multi-file, namespaced, PSR-0/1/2 compliant version of PHP-Textile. Releases from master are tagged v3.×.y	Requires PHP5.3+
2.5	Holds a deprecated and feature-frozen, single-file version of PHP-Textile representing the v2.5.x releases. It is not PSR-0 compliant, but attempts to follow PSR-1 and PSR-2 in other respects.	Requires PHP5.0+