HHVM 4.26.0 release, this release marks the termination of support 4.20. 4.21-4.25 still supported, LTS versions 3.30 and 4.8 the same is true.
This version update highlights are as follows:
- Various IDE integration improvements (better autocomplete, more context about hovering)
- Dynamic type of value can now use (within XHP, the statement has not been set) in more places
- Methods to declare a class with the same name and its location is no longer a mistake Hack (formerly error 3007, it is added in order to prevent confusion, because these methods act as a constructor in the previous version 4.0 HHVM)
- Now, shut down when there is unfinished prepared statement SQLite connection will be arranged later close the connection, rather than returning an error
- For union type (Cat | Dog) and the intersection of type (FourLegged & Mammal) adds an experimental new syntax, which is an early experimental prototype, not suitable for general use, if you want to experiment, please union_intersection_type_hints = true added to .hhconfig in
Update Description: http://hhvm.com/blog/2019/10/09/hhvm-4.26.0.html
HHVM by Facebook to create a PHP virtual machine, but it will greatly increase the speed of PHP code by dynamically translated into native machine code. HHVM support PHP and PHP Hack language dialects, but the 4.0 version, only supports Hack language.