The PHP Interpreter

Dependency Manager for PHP

Sends your logs to files, sockets, inboxes, databases and various web services

The PHP Unit Testing framework.

A PHP parser written in PHP

PHP Static Analysis Tool - discover bugs in your code without running it!

Guide your users through a tour of your app

A tool to automatically fix PHP Coding Standards issues

PHP Email address validator

Doctrine Inflector is a small library that can perform string manipulations with regard to uppercase/lowercase and singular/plural forms of words.

Base library for a lexer that can be used in Top-Down, Recursive Descent Parsers.

Doctrine Object Relational Mapper (ORM)

Eases the creation of beautiful and testable command line interfaces

Doctrine Database Abstraction Layer

A PSR-5 based resolver of Class names, Types and Structural Element Names

Library that provides collection, processing, and rendering functionality for PHP code coverage information.

Create deep copies (clones) of your objects

Provides tools that allow your application components to communicate with each other by dispatching events and listening to them

Finds files and directories via an intuitive fluent interface

Utility class for timing

Diff implementation

Component for reading phar.io manifest information from a PHP Archive (PHAR)

FilterIterator implementation that filters files based on a list of suffixes, prefixes, and other exclusion criteria.

Library for handling version information and constraints

Converts CSS selectors to XPath expressions