Twig
PHP web frameworks
Web frameworks
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What is Twig
Twig is a PHP templating engine used to render dynamic HTML and other text-based outputs in web applications. Developers commonly use it alongside PHP frameworks to separate presentation logic from application code and to standardize view-layer development. It provides a template syntax with features such as inheritance, filters, escaping, and macros, and it compiles templates to PHP for execution. Twig is maintained as an open source project and is widely used in PHP ecosystems, including as the default templating engine in Symfony.
Clear separation of concerns
Twig encourages keeping presentation logic in templates while leaving business logic in PHP code. Its syntax supports template inheritance and reusable components (macros), which helps teams standardize UI structure. This separation can improve maintainability in applications built with PHP frameworks. It also reduces the need for embedding raw PHP in view files.
Auto-escaping and safety features
Twig includes auto-escaping capabilities to help mitigate common cross-site scripting risks in HTML output. It provides explicit escaping controls and context-aware escaping options when configured appropriately. The engine also limits what templates can do compared to arbitrary PHP execution, which can reduce accidental misuse in the view layer. These features are useful for teams building multi-developer web applications.
Framework integration and ecosystem
Twig integrates tightly with Symfony and is commonly supported by other PHP frameworks and CMS platforms through adapters. It has a mature extension system for adding filters, functions, and tags to match application needs. The project has extensive documentation and community usage, which helps with onboarding and troubleshooting. This ecosystem support makes it a practical choice for PHP web application view layers.
Not a full web framework
Twig focuses on templating and does not provide routing, controllers, ORM, or other application framework components. Teams still need a separate PHP framework or custom architecture for request handling and business logic. As a result, it does not directly replace products that provide end-to-end web application scaffolding. Buyers evaluating "web frameworks" may need to treat Twig as a complementary component.
Learning curve for template syntax
Twig introduces its own syntax and conventions that developers must learn, especially when coming from PHP-based templates. Advanced features such as macros, blocks, and custom extensions require additional familiarity. Teams may also need to establish guidelines to prevent business logic from creeping into templates. This can add onboarding time for new contributors.
Performance depends on configuration
Twig compiles templates to PHP, but runtime performance depends on caching and deployment configuration. In development mode, frequent recompilation and debug features can add overhead. Production deployments typically require correct cache warming and invalidation practices to avoid latency spikes. Misconfiguration can negate the benefits of compilation.
Plan & Pricing
Pricing model: Open-source / Free Plans: No paid plans — distributed under the BSD-3-Clause license (see License page). How to get: Install via Composer (example): composer require "twig/twig:^3.0". Notes: Twig is a library/templating engine (no hosted SaaS tiers or subscriptions listed on the vendor site).
Seller details
Symfony SAS
Clichy, France
2009
Private
https://twig.symfony.com/
https://x.com/symfony
https://www.linkedin.com/company/symfony
