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Fabien Potencier
b1b2a0923f
This PR was squashed before being merged into the 3.x branch.
Discussion
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Add null-safe operator
Adds native support for Twig’s null-safe `?.` operator so templates can traverse objects and arrays without defensive plumbing: `{{ user?.address?.city }}` now renders the value when present and stays silent when any hop is `null`.
`?.` reuses the existing `GetAttrExpression` operator, so it should have otherwise the same precedence and behavior as `.`.
Usage cases can be found in the tests:
https://github.com/twigphp/Twig/blob/7d98d45f58df040f41a81f7f8d4cce6c42be781e/tests/ExpressionParserTest.php#L304-L343
Tests cover both the rendered output and the generated PHP.
Let me know if any tests are missing or if the implementation should be done any other way.
Commits
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263c04fd1f Add null-safe operator
Twig, the flexible, fast, and secure template language for PHP
==============================================================
Twig is a template language for PHP.
Twig uses a syntax similar to the Django and Jinja template languages which
inspired the Twig runtime environment.
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More Information
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Read the `documentation`_ for more information.
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