Cover of the book Symfony 5: The Fast Track

Symfony 5: The Fast Track is the best book to learn modern Symfony development, from zero to production. +300 pages in full color showing how to combine Symfony with Docker, APIs, queues & async tasks, Webpack, Single-Page Applications, etc.

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  5. How to use Expressions in Security, Routing, Services, and Validation
WARNING: You are browsing the documentation for Symfony 2.4 which is not maintained anymore. Consider upgrading your projects to Symfony 5.1.

How to use Expressions in Security, Routing, Services, and Validation

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How to use Expressions in Security, Routing, Services, and Validation

New in version 2.4: The expression functionality was introduced in Symfony 2.4.

In Symfony 2.4, a powerful ExpressionLanguage component was added to Symfony. This allows us to add highly customized logic inside configuration.

The Symfony Framework leverages expressions out of the box in the following ways:

For more information about how to create and work with expressions, see The Expression Syntax.

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