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Fabien Potencier
80c15749f9
This PR was merged into the 3.x branch.
Discussion
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Swap BC layer for yield-ready and reclaim perf loss
Follows #3999
Fix #4146
Fix #4103
When `use_yield` is set to false (the default), this PR reverts the implementation of the `render()` method to use a wrapping output buffer instead of hooking between each steps of generators. In this mode, the behavior of the yield method is not "pure": it triggers a mix of yield and echo. But this is fine for render and display methods.
When `use_yield` is set to `true`, we skip that wrapping output buffer. This makes twig compatible with fibers (and this also makes compilation fail if a non-YieldReady extension is found.)
That makes the name of the option not ideal, but BC rulez FTW.
Commits
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5d1a19a8 Swap BC layer for yield-ready and reclaim perf loss
Twig, the flexible, fast, and secure template language for PHP
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