Awesome PHP Libraries

A list of amazingly awesome PHP libraries that you should consider using (and some other shiny extras).

• Composer/Packagist - A package and dependency manager.
• Composer Installers - A multi framework Composer library installer.
• Symfony2 - A framework comprised of individual components.
• Zend Framework 2 - Another framework comprised of individual components.
• Laravel 4 - A simple PHP framework.
• Lithium - Another framework of components.
• Symfony2 Components - The components that make Symfony2.
• Zend Framework 2 Components - The components that make ZF2.
• Aura Components - A package of PHP 5.4 components.
• Silex - A micro framework built around Symfony2 components.
• Silex Skeleton - A skeleton for Silex.
• Slim - Another simple micro framework.
• Twig - A comprehensive templating language.
• Twig Cache Extension - A template fragment cache library for Twig.
• Mustache - A PHP implementation of the Mustache template language.
• MtHaml - A PHP implementation of the HAML template language.
• SwiftMailer - A mailer solution.
• Pimple - A tiny dependency injection container.
• Auryn - Another dependency injection container.
• Di - Another flexible dependency injection container.
• PHP DI - A dependency injection implementation using annotations.
• Doctrine - A comprehensive DBAL and ORM.
• Doctrine Migrations - A migration library for Doctrine.
• Migrations - A migration management library.
• Propel - A fast ORM.
• Goutte - A simple web scraper.
• Assetic - An asset manager pipeline library.
• Pipe - Another asset manager pipeline library.
• Imagine - An image manipulation library.
• PHP Image Workshop - Another image manipulation library.
• GIF Frame Extractor - A library to extract GIF animation frame information.
• GIF Creator - A library to create GIF animations from multiple images.
• Monolog - A comprehensive logger.
• Behat - A Behaviour Driven Development framework.
• Mink - Web acceptance testing.
• Guzzle - A HTTP client.
• Buzz - Another HTTP client.
• PHPUnit - A unit testing framework.
• RunkitTestCase - A library for creating PHPUnit test cases that use runkit.
• ParaTest - A parallel testing library for PHPUnit.
• PHPSpec - A design by specification unit testing library.
• Mockery - A mock object library for testing.
• Phake - Another mock object library for testing.
• Parody - Yet another mock object library for testing.
• KnpMenu - A menu library.
• Gaufrette - A filesystem abstraction layer.
• Snappy - A PDF and image generation library (uses WKHTMLToPDF).
• Pagerfanta - A pagination library.
• GeoCoder - A geocoding library.
• GeoTools - A library of geo-related tools.
• Faker - A fake data generator library.
• Spork - A process forking library.
• HTML Purifier - A standards compliant HTML filter.
• React - An event driven non-blocking I/O library.
• Événement - An event dispatcher library.
• FuelPHP Event - Another event dispatcher library.
• Sami - An API documentation generator.
• Go - A simple PHP build tool.
• Bob - A simple project automation tool.
• Phake - A rake PHP clone library.
• JSON Lint - A JSON lint utility.
• PHPAss - A portable password hashing framework.
• PHPSecLib - A pure PHP secure communications library.
• PHP Password Lib - A library for generating and validating passwords.
• Password Compat - A library that provides compatibility with the new PHP 5.5 password functions.
• Password Policy - A password policy library for PHP and JavaScript.
• RandomLib - A library for generating random numbers and strings.
• SecurityMultiTool - A PHP security library.
• Box - A utility to build PHAR files.
• Wisdom - A library for loading config data.
• GetOpt - A command line opt parser.
• OptParse - Another command line opt parser.
• Commando - Another simple command line opt parser.
• TCrypto - A simple encrypted key-value storage library.
• OmniPay - A framework agnostic multi-gateway payment processing library.
• Ruler - A simple stateless production rules engine.
• Carbon - A simple DateTime API extension.
• Datum - A fork of the Carbon DateTime API extension.
• ExpressiveDate - Another DateTime API extension.
• Upload - A library for handling file uploads and validation.
• Sismo - A continuous testing server library.
• Fetch - An IMAP library.
• Email Reply Parser - An email reply parser library.
• Lex - A lightweight template parser.
• Sslurp - A library that makes dealing with SSL suck less.
• Composition - A library to check your Composer environment at runtime.
• Entities - A Doctrine ORM service provider for Silex.
• Elf - A collection of helpers for the Symfony Console component.
• Amend - A Symfony Console helper and command set for updating and upgrading applications.
• Doctrine Extensions - A collection of Doctrine behavioural extensions.
• Color Jizz - A library for manipulating and converting colours.
• Poser - A Composer class aliasing library.
• Version - A parsing and comparison library for semantic versioning.
• Respect Validate - A simple validation library.
• Valitron - Another validation library.
• BCrypt - A BCrypt password hashing library.
• ShellWrap - A simple command line wrapper library.
• Streamer - A simple object-orientated stream wrapper library.
• Cron Expression - A library to calculate cron run dates.
• OPAuth - A multi-provider authentication framework.
• Ratchet - A web socket library.
• Alice - An expressive fixture generation library.
• PHP Option An option type library.
• Hateoas - A HATEOAS REST web service library.
• Metrics - A simple metrics API library.
• JShrink - A JavaScript minifier library.
• Ardent - A library of data structures.
• HAL - A Hypertext Application Language (HAL) builder library.
• MongoQB - A MongoDB query builder library.
• Monga - A MongoDB abstraction library.
• Predis - A feature complete Redis library.
• Sabre VObject - A library for parsing VCard and iCalendar objects.
• OAuth2 - An OAuth2 authentication server, resource server and client library.
• Annotations - An annotations library (part of Doctrine).
• Cache - A caching library (part of Doctrine).
• Stash - Another library for caching.
• Filterus - A simple PHP filtering library.
• PHP Collections - A simple collections library.
• PHP Domain Parser - A domain suffix parser library.
• PHP File Locator - A library for locating files in large projects.
• Elastica - A client library for Elastic Search.
• Serializer - A library for serialising and de-serialising data.
• Numbers PHP - A library for working with numbers.
• Patchwork UTF-8 - A portable library for working with UTF-8 strings.
• Boris - A tiny PHP REPL.
• LiteCQRS - A CQRS (Command Query Responsibility Separation) library.
• NameSpacer - A library to convert from underscores to namespaces.
• Purl - A URL manipulation library.
• S3 Stream Wrapper - A stream wrapper library for Amazon S3.
• Damnit - A pretty error handling library.

Official APIs

• Amazon Web Service SDK - The official PHP AWS SDK library.
• Stripe - The official Stripe PHP library.
• Campaign Monitor - The official Campaign Monitor PHP library.

Utilities

• HomeBrew - A package manager for OSX.
• HomeBrew PHP - A PHP tap for HomeBrew.
• PHP Brew - A PHP version manager and installer.
• PHP Env - Another PHP version manager.
• PHP Build - Another PHP version installer.
• PHP CS Fixer - A coding standard fixer library.
• PHP Parser - A PHP parser written in PHP.
• PHP Manipulator - A library for analysing and modifying PHP Source Code.
• PHP Analyser - A library for analysing PHP code to find bugs and errors.
• Zend Optimizer Plus - A Zend engine opcode cacher and optimiser.
• PHP Queue - An application for managing queueing backends.
• PHPPHP - A PHP VM implementation in PHP.
• PHPSandbox - A PHP sandbox environment.
• SensioLabs Security Check - A web tool to check your Composer dependecies for security advisories.
• DBV - A database version control application.
• Country List - A list of all countries with names and ISO 3166-1 codes.

Resources

• PHP The Right Way - A PHP best practice quick reference guide.
• PHP Best Practices - A PHP best practice guide.
• PHP Weekly - A weekly PHP newsletter.
• PHP Security - A guide to PHP security.
• PHP Standards Working Group - The PHP standards working group.
• The Open Web Application Security Project (OWASP) - An open software security community.
• WebSec IO - A web security community resource.
• Web Advent - An advent calendar for web developers.
• Programming with Anthony - A video series by Anthony Ferrara.
• Scaling PHP Applications - A paid ebook about scaling PHP applications by Steve Corona.
• Grumpy PHPUnit - A book about unit testing with PHPUnit by Chris Hartjes.
• Semantic Versioning - A website explaining semantic versioning.

Reading

• OWASP PHP Security Cheat Sheet - A PHP security cheatsheet.
• Seven Ways to Screw Up BCrypt - An article about correct BCrypt implementation.
• Preventing CSRF Attacks - An article on preventing CSRF attacks.
• Print vs Echo, Which One is Faster? - An article about print and echo performance.
• The PHP Ternary Operator. Fast or Not? - An article ternary performance.
• On PHP 5.3, Lamda Functions and Closures - An article about lambda functions and closures.
• Use Env - An article about using the unix environment helper.
• Disproving the Single Quotes Myth - An article about performance of single and double quoted strings.
• You're Being Lied To - An article about internal ZVALs.
• How Long is a Piece of String - An article about string internals.
• Understanding OpCodes - An article about opcodes.
• How Foreach Works - A detailed StackOverflow answer about foreach.
• When Does Foreach Copy? - An article about the internals of foreach.
• How Big Are PHP Arrays (And Values) Really? - An article about array internals.
• PHP Source Code for Developers: 1 2 3 4 - A series about the PHP source code.
• Collecting Garbage: 1 2 3 - A series about the PHP garbage collection internals.
• PHP Sucks! But I Like It! - An article about the pros and cons of PHP.
• PHP Is Much Better Than You Think - An article about the PHP lanaguage and ecosystem.