Provides a tight integration between Symfony components and the Symfony full-stack framework

Composer plugin for Symfony

Finds files and directories via an intuitive fluent interface

Provides basic utilities for the filesystem

Provides an engine that can compile and evaluate expressions

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

Provides tools to manage errors and ease debugging PHP code

Registers environment variables from a .env file

Eases DOM navigation for HTML and XML documents

Allows you to standardize and centralize the way objects are constructed in your application

A set of abstractions extracted out of the Symfony components

Eases the creation of beautiful and testable command line interfaces

Helps you find, load, combine, autofill and validate configuration values of any kind

Provides extended PSR-6, PSR-16 (and tags) implementations

PHP_CodeSniffer tokenizes PHP files and detects violations of a defined set of coding standards.

CBOR Encoder/Decoder for PHP

Base64 URL Safe Encoding/Decoding PHP library

Slevomat Coding Standard for PHP_CodeSniffer provides many useful sniffs

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

Collection of value objects that represent the types of the PHP type system

Provides a list of PHP built-in functions that operate on resources

Provides functionality to recursively process PHP variables

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

Traverses array structures and object graphs to enumerate all referenced objects

Library for counting the lines of code in PHP source code

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

Provides the functionality to export PHP variables for visualization

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

Diff implementation

Library for calculating the complexity of PHP code units