Author(s):	Adam Harvey
Location	A2
Date	jan Thu 24	Days Raw Files
Start	14:25	First Raw Start	14:03
Duration	0:45:0	Offset	0:21:49
End	15:10	Last Raw End	15:26
Chapters	00:00 0:05:30 0:35:29
Total cuts_time	43 min.

https://2019.linux.conf.au/schedule/presentation/149/
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assets release.pdf A_case_study_in_incrementing_a_languages_major_version_PHP.json
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Description:	In 2015, the PHP project released version 7.0 of the PHP language. Doing so was the culmination of several years of discussion and hard work to resolve what a new major version would look like, what would be included, and most importantly, what would be broken for existing users. In the end, PHP 7 was released with almost no backward compatibility breaks for well written, modern PHP 5 code. As a result, uptake of PHP 7 after two years has been — depending on which source you use and how you measure it — between 33% and 67%. In this talk, I'll discuss how the PHP team balanced the carrot and the stick to encourage adoption, and compare how PHP's approach to a major version bump has contrasted with other languages in the recent past. markdown
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