PHP 虚拟机 HHVM 发布 3.27.1 和 3.24.8 版本

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 ed 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 files
• Regression: Support closures in anonymous classes
• Regression: Fix typechecker hangs/crashes if there are many if (Shape::keyExists())refinements
• Regression: 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 ed against libevent2
• Fix overly-strict parameter type variance for implementations of abstract methods

发行说明

• http://hhvm.com/blog/2018/07/19/hhvm-3.27.1.html
• https://github.com/facebook/hhvm/releases