HHVM 是 Facebook 推出的用来执行 PHP 代码的虚拟机,它是一个 PHP 的 JIT(Just-In-Time) 编译器,同时具有产生快速代码和即时编译的优点。
HHVM 3.27.1 和 3.24.8 都是针对所在系列的 bug 修复版本,更新内容如下:
3.27.1
Fix stability issues when async if HHVM is linked against libevent2
Fix overly-strict parameter type variance for implementations of abstract methods
Fix as-you-type formatting when using recent versions of Nuclide
Fix formatting of comments that include tabs
Support debugging xbox requests
Regression: Support
"{$$foo}"
in PHP filesRegression: Support closures in anonymous classes
Regression: Fix typechecker hangs/crashes if there are many
if (Shape::keyExists())
refinementsRegression: Remove special meanings of some Hack keywords when file is PHP
Autocomplete: Remove ‘namespace fallback’ behavior for functions, which is no longer part of Hack
Autocomplete: Don’t trigger autocomplete after colons in case statements in namespaces
Autocomplete: Don’t trigger autocomplete after user attributes
3.24.8
Fix stability issues when using async if HHVM is linked against libevent2
Fix overly-strict parameter type variance for implementations of abstract methods
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