New in Symfony 4.1: Misc. improvements (part 2)

New choice_translation_locale option

Contributed by
Yonel Ceruto
in #26825.

In Symfony 4.1, the CountryType, CurrencyType, LanguageType and LocaleType form fields define a new choice_translation_locale option to change the locale used to translate their lists of elements. In previous Symfony versions, elements were always translated to the current locale:

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$formBuilder->add('country', CountryType::class, [
    // translate elements into Spanish, regardless of the current locale
    'choice_translation_locale' => 'es',
]);

Added a command to delete cache pool items

Contributed by
Pierre du Plessis
in #26223.

In Symfony 4.1, there is a new cache:pool:delete command that allows you to delete specific items from the cache pool. This is mostly useful while developing the application, to not delete the entire cache pool when you only need to clear one element:

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$ php bin/console cache:pool:delete <cache-pool-name> <cache-key-name>

Use custom functions in allow_if expressions

Contributed by
David Maicher
in #26660.

In complex applications, the access_control security config can include security expressions defined with the ExpressionLanguage component:

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# config/packages/security.yaml
security:
    # ...
    access_control:
        -
            path: ^/_internal/secure
            allow_if: "'127.0.0.1' == request.getClientIp() or has_role('ROLE_ADMIN')"

In Symfony 4.1, allow_if expressions can also include any custom ExpressionLanguage functions defined in your application.

Added a dd() debug helper

Contributed by
Nicolas Grekas
in #26970.

Using a debugger connected to your code editor is the best way to debug your applications. However, sometimes a call to the dump() function can be as effective as the debugger and much faster to execute. In Symfony 4.1 we introduced a helper called dd() that dumps the given information and stops the application immediately, which is a common workflow when debugging apps:

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dd($user, $request);
// equivalent to:
// dump($user, $request); exit(1);

Comments

This is really AWESOME!!!! Thank you everyone for make this the best framework for PHP!!
Finally dd() debug helper, I've waited for years and I'm tired of doing it manually. Thank You!

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