New in Symfony 5.4: Misc. features (part 1)
Symfony 5.4 is backed by:
In Symfony applications you can use a JSON file manifest as the strategy to
manage asset versions. When a requested asset is not listed in
Symfony returns the unmodified path of the asset. This prevents the application
from breaking when some asset is missing but generates 404 errors in the browser
when trying to load the asset.
In Symfony 5.4 we've added a
strict_mode option (which is disabled by default).
When it's true, the application triggers an exception for missing assets, so you
can solve the issue. That's why it's recommended to use
its value, so the application breaks in dev/test but keeps working in production:
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# config/packages/assets.yaml framework: assets: packages: app: strict_mode: '%kernel.debug%'
The file paths of error traces in exception pages are clickable. If you configure the framework.ide option properly, you can open those files directly on PhpStorm, VS Code, SublimeText, etc. In Symfony 5.4 we've improved this page a bit more so you can copy those file paths to clipboard. You only need to move your mouse over some row and you'll see a new clipboard icon to click on it:
lint:yaml command is a nice little tool used for example to
find errors in translation files. However, sometimes you might have YAML
files which use a custom syntax extensions or advanced features not supported by
the YAML linter. In those cases, use the new
--exclude option to not lint
the files included in the given directories:
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$ php bin/console lint:yaml translations/ --exclude=translations/experimental/ # you can exclude multiple directories $ php bin/console lint:yaml translations/ --exclude=translations/draft/ --exclude=translations/discarded/
The Uid component provides utilities to work with UUIDs and ULIDs. The UUID
standard defines a
NilUuid object to represent
null UUID values and
Symfony component implements it. However, even if the ULID standard doesn't
NilUlid object, in Symfony 5.4 we've decided to add it so you can
easily create and check for
null ULID values:
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# BEFORE use Symfony\Component\Uid\Ulid; $nilUlid = new Ulid('00000000000000000000000000'); # AFTER use Symfony\Component\Uid\NilUlid; $nilUlid = new NilUlid();
In Symfony 5.4 we've added two new functions to it:
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// removes the given content from the start/end of the string u('file-image-0001.png')->trimPrefix('file-'); // 'image-0001.png' u('file-image-0001.png')->trimPrefix('image-'); // 'file-image-0001.png' u('template.html.twig')->trimSuffix('.html'); // 'template.html.twig' u('template.html.twig')->trimSuffix('.twig'); // 'template.html' // when passing an array of prefix/sufix, only the first one found is trimmed u('file-image-0001.png')->trimPrefix(['file-', 'image-']); // 'image-0001.png' u('template.html.twig')->trimSuffix(['.twig', '.html']); // 'template.html'
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