PHP7 & Symfony 2 @ Symfony Barcelona May meetup

Talk about PHP7 and Symfony 2 at the Symfony Barcelona May meetup with quite a lot more benchmarks than in my previous PHP7 talk. On top of that, PHP7 is now feature complete so this is what we are going to get!

Transcript

1. PHP7 & Symfony 2
2. That's me! Albert Casademont ulabox.com @acasademont
6. HipHop Virtual Machine HipHop for PHP
8. PHP6 PHPNG
9. ¡PHP7!
10. but first...
11. Get PHP 5.6 PLEASE
12. PHP7 a.k.a. PHPNG
13. Internals heavily modified data structs (current extensions won't work) call frame optimization new memory manager we finally have an AST! no JIT (yet)
14. Internals Immutable arrays PCRE with JIT new JSON parser ...and lots more (watch Dmitry Stogof's talk on PHP7 internals for more!)
15. Removed features mysql extension :'( ereg extension ASP style tags ...and many more
17. null coalesce https://wiki.php.net/rfc/isset_ternary
19. uniform variable https://wiki.php.net/rfc/uniform_variable_syntax
21. engine exceptions https://wiki.php.net/rfc/engine_exceptions_for_php7
23. return types!!! https://wiki.php.net/rfc/return_types
26. scalar type hinting!!! https://wiki.php.net/rfc/scalar_type_hints_v5
27. x10
29. Scalar type hinting Most wanted feature EVER! 2 flavors: weak & strict declare(strict_types=1); weak => casting strict => error
30. However...
31. Userland BC breaks New reserved keywords int, float, bool, string, true, false, null Symfony Validator BC Break!! True => IsTrue False => IsFalse Null => IsNull Available in SF >= 2.6.8, 2.3.29 LTS
33. Test environment VM Debian 8 1GB RAM, 1 core, SSD ulabox.com sf2 index / product page (prod) sf2 demo bundle (dev), composer update PHP 5.5 / 5.6 / 7.0 opcache.validate_timestamps = 0 opcache.enable_file_override = 1 HHVM 3.7 hhvm.server_stat_cache = 1 No extensions! (APCu) Nginx, Redis, Solr, MySQL
34. PHP 5.3 PHP 5.4 PHP 5.5 PHP 5.6 PHP 7.0 HHVM 3.7 0 0.5 1 1.5 2 2.5 2.22 1.83 1.78 1.75 0.83 0.3 Time (seconds) Bench.php
35. PHP 5.3 PHP 5.4 PHP 5.5 PHP 5.6 PHP 7.0 HHVM 3.7 0 2 4 6 8 10 12 14 13.25 12.75 12.5 12.5 8.25 7.8 Memory consumption (MB) Bench.php
36. PHP 5.3 PHP 5.4 PHP 5.5 PHP 5.6 PHP 7.0 HHVM 3.7 0 5 10 15 20 25 30 35 29.97 29.91 29.17 12.47 17.86 Time (seconds) composer update --profile
37. PHP 5.3 PHP 5.4 PHP 5.5 PHP 5.6 PHP 7.0 HHVM 3.7 0 100 200 300 400 500 600 700 800 900 812 812 812 551 316 Memory consumption (MB) composer update --profile
38. PHP 5.5 PHP 5.6 PHP 7.0 HHVM 3.7 0 5 10 15 20 25 30 26 24 13 19 Time (milliseconds) SF2 - AcmeDemo
39. PHP 5.5 PHP 5.6 PHP 7.0 HHVM 3.7 0 2 4 6 8 10 12 10.75 10.75 4.75 0.48 Memory consumption (MB) SF2 - AcmeDemo
40. PHP 5.5 PHP 5.6 PHP 7.0 HHVM 3.7 0 10 20 30 40 50 60 70 80 90 81 76 44 56 Time (milliseconds) SF2 – ulabox index
41. PHP 5.5 PHP 5.6 PHP 7.0 HHVM 3.7 0 2 4 6 8 10 12 14 16 18 20 17.25 17.25 12 4.19 Memory consumption (MB) SF2 – ulabox index
42. PHP 5.5 PHP 5.6 PHP 7.0 HHVM 3.7 0 20 40 60 80 100 120 109 103 60 72 Time (milliseconds) SF2 – ulabox product
43. PHP 5.5 PHP 5.6 PHP 7.0 HHVM 3.7 0 5 10 15 20 25 20.75 20.5 14 5 Memory consumption (MB) SF2 – ulabox product
44. Resources https://wiki.php.net/phpng https://wiki.php.net/rfc http://news.php.net/php.internals https://joind.in/talk/view/12068 https://atlas.hashicorp.com/rasmu s/boxes/php7dev https://github.com/php/php-src
45. gràcies ;)