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Fabien Potencier
aed4990615
This PR was merged into the 3.x branch.
Discussion
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Implement the enum_cases function
The implementation contains an optimized implementation of the function for the common case of using a string literal as the argument. It will validate the enum existence during compilation and compile the code to use `MyEnum::cases()` directly.
Closes #3872 (it replaces it)
Relates to #3681 (it solves the case of getting the list of cases)
Note that the strict compile time validation for string literals is especially beneficial as long as escaping `\` is mandatory in our string literals (where escaping non-special characters is the same than not putting the backslash) as by experience, this is a common mistake when trying to put a PHP FQCN in a Twig string. One of the tests I added is covering exactly this kind of mistake.
Commits
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ff4d01f9 Implement the enum_cases function
Twig, the flexible, fast, and secure template language for PHP
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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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