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Fabien Potencier
9d33a10324
This PR was merged into the 3.x branch.
Discussion
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Speed up adding extensions to an environment
`Environment::addExtension()` recomputes the options hash on every call, JSON-encoding the class names of all the extensions registered so far. This computes it only when a template class name is needed. With the 24 extensions TwigBundle registers on the Symfony Demo, building the environment drops from 87µs to 19µs, and calling `setExtensions()` once instead brings nothing more.
Merge-up to 4.x: the property is typed there, so it has to become `private ?string $optionsHash = null;` (I ran the 4.x suite with that change). The CHANGELOG entry doesn't go to 4.x.
Commits
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d3d13f9b1a Speed up adding extensions to an environment
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.
Sponsors
--------
.. raw:: html
<a href="https://docs.blackfire.io/introduction?utm_source=twig&utm_medium=github_readme&utm_campaign=logo">
<img src="https://static.blackfire.io/assets/intemporals/logo/png/blackfire-io_secondary_horizontal_transparent.png?1" width="255px" alt="Blackfire.io">
</a>
More Information
----------------
Read the `documentation`_ for more information.
.. _documentation: https://twig.symfony.com/documentation