- PHP 5.3.2 or greater
- pcre
- SPL
- (optional) dom
- (optional) mbstring
- Zend Debugger or Xdebug
- Eclipse Juno (4.2) or Eclipse 3.8 or Eclipse Indigo (3.7) or Eclipse Helios (3.6)
- PDT 3.0 or 2.2
- (optional) Stagehand_TestRunner 3.2.0 or greater
- (optional) CakePHP 1.3 or 1.2
- (optional) CIUnit v0.17
- (optional) PHPSpec 1.3.0beta or greater
- (optional) PHPUnit 3.6.0 or greater
- (optional) SimpleTest 1.0.1 or greater