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[](https://github.com/webonyx/graphql-php)
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[](https://travis-ci.org/webonyx/graphql-php)
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[](https://coveralls.io/github/webonyx/graphql-php)
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[](https://packagist.org/packages/webonyx/graphql-php)
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[](https://packagist.org/packages/webonyx/graphql-php)
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2016-10-23 18:16:32 +03:00
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# About GraphQL
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2017-08-20 18:10:37 +03:00
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GraphQL is a modern way to build HTTP APIs consumed by the web and mobile clients.
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It is intended to be a replacement for REST and SOAP APIs (even for **existing applications**).
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GraphQL itself is a [specification](https://github.com/facebook/graphql) designed by Facebook
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engineers. Various implementations of this specification were written
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[in different languages and environments](http://graphql.org/code/).
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Great overview of GraphQL features and benefits is presented on [the official website](http://graphql.org/).
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All of them equally apply to this PHP implementation.
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# About graphql-php
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2017-08-19 22:33:31 +03:00
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**graphql-php** is a feature-complete implementation of GraphQL specification in PHP (5.5+, 7.0+).
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2016-11-05 19:55:51 +03:00
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It was originally inspired by [reference JavaScript implementation](https://github.com/graphql/graphql-js)
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published by Facebook.
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2016-10-23 18:16:32 +03:00
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This library is a thin wrapper around your existing data layer and business logic.
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It doesn't dictate how these layers are implemented or which storage engines
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are used. Instead, it provides tools for creating rich API for your existing app.
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Library features include:
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- Primitives to express your app as a [Type System](type-system/index.md)
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- Validation and introspection of this Type System (for compatibility with tools like [GraphiQL](complementary-tools.md#tools))
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- Parsing, validating and [executing GraphQL queries](executing-queries.md) against this Type System
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- Rich [error reporting](error-handling.md), including query validation and execution errors
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- Optional tools for [parsing GraphQL Type language](type-system/type-language.md)
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- Tools for [batching requests](data-fetching.md#solving-n1-problem) to backend storage
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- [Async PHP platforms support](data-fetching.md#async-php) via promises
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- [Standard HTTP server](executing-queries.md#using-server)
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Also, several [complementary tools](complementary-tools.md) are available which provide integrations with
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existing PHP frameworks, add support for Relay, etc.
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## Current Status
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The first version of this library (v0.1) was released on August 10th 2015.
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2017-08-20 18:10:37 +03:00
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The current version (v0.10) supports all features described by GraphQL specification
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(including April 2016 add-ons) as well as some experimental features like
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[Schema Language parser](type-system/type-language.md) and
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[Schema printer](reference.md#graphqlutilsschemaprinter).
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2016-10-23 18:16:32 +03:00
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2016-12-14 16:30:08 +03:00
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Ready for real-world usage.
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## Github
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2017-08-17 22:56:22 +03:00
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Project source code is [hosted on GitHub](https://github.com/webonyx/graphql-php).
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