Diff implementation

Maps an HTTP request to a set of configuration variables

Assertions to validate method input/output with nice error messages.

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

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

Executes commands in sub-processes

Library for handling version information and constraints

Converts CSS selectors to XPath expressions

Provides mechanisms for walking through any arbitrary PHP variable

A simple template engine.

Provides the functionality to compare PHP values for equality.

The purpose of this PSR is to provide a set of common interfaces for HTTP messages as described in RFC 7230 and RFC 7231

Provides the functionality to export PHP variables for visualization

Provides functionality that helps writing PHP code that has runtime-specific execution paths

Annotations Docblock Parser

Looks up which function or method a line of code belongs to

Provides tools to internationalize your application

Snapshotting of global state, factored out of PHPUnit into a stand-alone component

Library that helps with managing the version number of Git-hosted PHP projects

Provides functionality to recursively process PHP variables

Traverses array structures and object graphs to enumerate all referenced objects

Allows reflection of object attributes, including inherited and non-public ones

The Doctrine Event Manager is a library that provides a simple event system.

Collections Abstraction Library

CssToInlineStyles is a class that enables you to convert HTML-pages/files into HTML-pages/files with inline styles. This is very usefull when you're sending emails.

Doctrine Common

A small library for converting tokenized PHP source code into XML (and potentially other formats)

Symfony Bundle for Doctrine ORM and DBAL

Doctrine Database Migrations Library