On 21 Aug 2014, at 18:28, Adam Harvey <ahar...@php.net> wrote: > Every time we break BC — in either of the ways Derick said — we narrow > the subset of PHP 5 and PHP 7 that's available to people writing PHP > code that has to work on both. If we narrow it too far, it'll be too > unexpressive, or too hard to use, or just plain won't do something > that they'll need, and PHP 7 will risk becoming this decade's Perl 6: > the cautionary tale for what happens when you burn all the boats.
Not all BC breaks prevent code from being both forwards- and backwards-compatible, however. In some cases, the new way to do something works correctly in old versions as well. -- Andrea Faulds http://ajf.me/ -- PHP Internals - PHP Runtime Development Mailing List To unsubscribe, visit: http://www.php.net/unsub.php
