Getting ready for PHP7.2

At the State of the Word, it was announced that one of the upcoming focuses of the WordPress project is raising the minimum version requirement of PHP.

WordPress core is already PHP7.2 compatible but are your plugins and themes?

In this talk, Jenny will be looking at the steps needed to check if plugins and themes are compatible, and the lessons learned from doing the steps.

Are you PHPrepared?

Transcript

1. Getting Ready For PHP 7.2 Jenny Wong | @miss_jwo
2. Getting Ready For PHP 7.2 Jenny Wong | @miss_jwo
3. Getting Ready For PHP 7.3 Jenny Wong | @miss_jwo
4. PHP The primary programming language that WordPress is built on. @miss_jwo #WCNordic
5. Current supported versions of PHP are : 7.1, 7.2 & 7.3 @miss_jwo #WCNordic
6. Supported Versions http://php.net/supported-versions.php @miss_jwo #WCNordic
7. Supported Versions http://php.net/supported-versions.php @miss_jwo #WCNordic
8. Supported Versions http://php.net/supported-versions.php @miss_jwo #WCNordic
9. What PHP versions are people running WordPress on? @miss_jwo #WCNordic
10. What PHP versions are people running WordPress on? https://wordpress.org/about/stats/ PHP Version @miss_jwo #WCNordic
11. What PHP versions are people running WordPress on? https://wordpress.org/about/stats/ @miss_jwo #WCNordic
12. What PHP versions are people running WordPress on? https://wordpress.org/about/stats/ 5.2 5.6 7.0 5.5 5.4 5.3 @miss_jwo #WCNordic
13. Do you have a zombie PHP on your site? @miss_jwo #WCNordic
14. https://wordpress.org/plugins/health-check @miss_jwo #WCNordic
15. WordPress works on all the latest versions of PHP @miss_jwo #WCNordic
16. What about custom code? Plugins & Themes? & @miss_jwo #WCNordic
17. • Checks for spelling mistakes • Does not check that the sentences make sense Static Analysers @miss_jwo #WCNordic
18. Scenario #1 • I’m not a developer/ coder but I want to check
 • Is there going to be too much to do? @miss_jwo #WCNordic
19. Click & Check! @miss_jwo #WCNordic
20. WP Engine Wrapper Plugin https://wordpress.org/plugins/php-compatibility-checker @miss_jwo #WCNordic
21. WP Engine Wrapper Plugin @miss_jwo #WCNordic
22. WP Engine Wrapper Plugin
23. Working on a project and want to check as you work Scenario #2 @miss_jwo #WCNordic
24. Composer & PHP CompatibilityWP & WordPress Coding Standards Tools for your workflow: (Will also install PHP Coding Standards) @miss_jwo #WCNordic
25. Where in the workflow? • Locally • Before commits are accepted into a repo • Before code is push to production @miss_jwo #WCNordic
26. Composer & PHP Compatibility @miss_jwo #WCNordic
27. Composer & PHP Compatibility Number of files checked Warning found Skipped file Error found @miss_jwo #WCNordic
28. Composer & PHP Compatibility
29. Composer & PHP Compatibility
30. WordPress Coding Standards Will tell you about deprecated functions in WordPress @miss_jwo #WCNordic
31. Migration Time @miss_jwo #WCNordic
32. PHP.net manual @miss_jwo #WCNordic
33. Mirgate
34. • Start at your current PHP version • Use a static analyser • Check the migration guide for current PHP Version • Repeat till at desired PHP version. @miss_jwo #WCNordic
35. Mirgate
36. Caveats @miss_jwo #WCNordic
37. Some function outputs have changed @miss_jwo #WCNordic
38. Runtime errors will not be detected by a static analyser @miss_jwo #WCNordic
39. Upsides @miss_jwo #WCNordic
40. Better Performance @miss_jwo #WCNordic
41. Uses less computing resources @miss_jwo #WCNordic
42. Fixed PHP bugs @miss_jwo #WCNordic
43. PHP security support @miss_jwo #WCNordic
44. Lots of new functions and features for developers to use! @miss_jwo #WCNordic
45. If you care about keeping your WordPress up to date, you should care about keeping your stack up to date too. @miss_jwo #WCNordic
46. Developers & hosting companies are your friends @miss_jwo #WCNordic
47. Plugin Author? @miss_jwo #WCNordic
48. Set a minimum PHP version requirement in plugin readme file https://make.wordpress.org/plugins/2017/08/29/minimum-php-version-requirement/ @miss_jwo #WCNordic
49. ← Minimum requirement Plugin readme.txt @miss_jwo #WCNordic
50. @miss_jwo #WCNordic
51. Resources @miss_jwo #WCNordic
52. • WordCamp London 2015: Lorna Jane Mitchell: Get Ready for PHP 5.4+ (video) • Lorna Jane Mitchell: Get Ready for PHP 5.4+ Slides • Your hosting providers documentation • php.net/manual • https://github.com/WordPress-Coding-Standards/WordPress-Coding-Standards/#how- to-use • Cloudways How to Upgrade From PHP 5.X to PHP 7 (Cheat Sheet) • Auth0: Migrating a PHP5 app to PHP7 by Prosper Otemuyiwa (PDF) • How to Set up Modern PHP Coding Standards for WordPress | Thorsten Frommen @miss_jwo #WCNordic
53. Suurkiitokset! jenny@humanmade.com @miss_jwo