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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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