来源：HHVM官网
发布日期：2022-01-21
阅读次数：1565
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HHVM 4.145 is released! This release marks the end of support of 4.137;
4.138, 4.139, 4.140, 4.143, 4.144 remain supported, as do the 4.102 and 4.128 LTS releases.
4.141 and 4.142 were cancelled due to the holiday season.Highlights Support throw on dynamic, e.g. function foo(dynamic $d): void { throw $d; }
Attributes on class constants do not result errors any more (assessing the attributes via runtime reflection is still not yet supported)
The built-in function gethostname is now a pure function.Breaking Changes Raise the typing error 4068 on ?mixed and similar if they’re in a type hint position, including f
软件描述
HHVM (HipHop Virtual Machine)会将PHP代码转换成高级别的字节码（通常称为中间语言）。然后在运行时通过即时（JIT）编译器将这些字节码转换为x64的机器码
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