On 08/16/2014 12:52 AM, Pierre Joye wrote:
On Sat, Aug 16, 2014 at 12:49 AM, David Soria Parra <d...@php.net> wrote:
On 2014-08-15, Pierre Joye <pierre....@gmail.com> wrote:
<snip>
Let me summerize a few things that have come up:
(1) phpng doesn't justify PHP7
It does. It's a complete new engine. It has performance improvements. Where
do you draw the line of what justifies a PHP 7? It's a major BC break and we
needd a major version for it
No it does not. Even if it would do, that's not something I can live
with in the next 10 years. As I repeatedly said, with explanations
why.
Just a heretical question from someone who has no clue about PHP core:
What speaks against having PHP 8 one or two years after PHP 7?
I like the idea of
- having PHP 5.7 introducing deprecation warnings without additional
features (and perhaps some cleanings regarding the spec?)
- full concentration on PHP 7 regarding phpng (including AST & co) and
cleanings according to the spec.
- PHP 8 with other improvements that are currently planed for PHP 7.
(Perhaps it's even possible to introduce most deprecation warnings of
planned changes for 8 in 7 and 5.7.)
Regarding adoption: Agile teams/projects are able to follow the path
from 5.6 to 5.7 (if needed) up to 7 and 8. Slow teams/projects can
migrate from 5.6 to 5.7 "easily" and later to 8. Adoption to PHP 7 would
not be a KPI of the PHP project.
Regarding branch maintenance: Support for 5.7 could be extended and for
7 could be shortened if announced early enough (latest at GA of 7.0).
Regarding PHP project's project management: That would be release early,
release often. Of course, extensions need to be changed twice for PHP 7
and 8 - but the amount of changes should be almost the same.
A side note regarding the spec: I would not waste time to write/discuss
a formal spec that describes all oddities of 5.6/7 or force 5.6/7 to
follow a spec too much. The perspective of the spec is PHP 7 that is the
first version where compliance to the spec is needed. (Probably Facebook
has other plans. But I think one year to get it right on both sides -
the spec and the implementation - is totally ok.)
Regards
Thomas
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