The road to php 7.1
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In December 2015, PHP 7.0 was released marking a new milestone for PHP and web application developers. We thought all was going to be easy to migrate to PHP 7.0. Unfortunately, many extensions and tools we use weren’t ready yet. In December 2016 PHP 7.1 was released, and the urgency to update became real as PHP 5.6 was nearing end-of-life. In this talk, I describe the analysis and the challenges we faced migrating towards PHP 7.1 so you can learn how to defeat those challenges if you plan to migrate too.
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The road to php 7.1
- 1. THE ROAD TO PHP 7.1 A PERSONAL STORY
- 2. Michelangelo van Dam ‣ Pro PHP consultant at in2it ‣ President of PHPBenelux ‣ Open-Source contributor ‣ Conference Speaker ‣ ZCE and ZF-CE in itPROFESSIONAL PHP SERVICES
- 3. OH “PHP 7” Zeev Suraski (@zeevs)
- 7. DECEMBER 3, 2015 A REVOLUTION STARTS
- 8. #GOPHP7
- 10. IMPORTANT QUESTIONS HOW CAN WE MOVE TO PHP 7? ▸ Review PHP 7's changelog ▸ are we still using deprecated functions? ▸ are we using PHP extensions? ▸ do we depend on 3rd party packages?
- 11. THE BEST WAY TO LEARN… I PRESENTED ON PHP 7 ▸ Required me to do the research ▸ Needed to engage with PHP core developers ▸ Played with the code base ▸ Simulated small challenges ▸ Reviewed the results ▸ BONUS: I could speak at meetups!!!
- 12. PRESENTING ON A SUBJECT IS THE BEST WAY TO BECOME AN EXPERT ON THAT SUBJECT. Cal Evans (@CalEvans) TWEETABLE QUOTE
- 13. FINDING ANSWERS CODE ANALYSIS ▸ Reviewing codebases against PHP 7 change log ▸ Reviewing critical extensions and removing non-critical extensions ▸ Negotiate roadmaps with 3rd party vendors and software suppliers ▸ Discussing with the PHP community (global and local) ▸ To see what others have done (and learn from their experiences) ▸ To understand the position of projects and frameworks
- 14. NOT READY (YET)! Let’s get to ready…
- 15. LET’S START THE ELIMINATION ROUND
- 16. LET’S START THE ELIMINATION ROUND mysqlnd_ms DB ATK-Framework HTTP2 Net2 Drupal6 ereg_* mcrypt_* mysql_*
- 17. CHANGE TAKES TIME THE INCONVENIENT TRUTH
- 18. PHP 7.1 AND THEN THERE WAS…
- 19. WE NEED TO STEP UP!
- 20. WHAT WE ALREADY DID IMPROVE GOING FORWARD ▸ Elimination of non-compatible code ▸ Refactored code base ▸ Better understanding of our weaknesses ▸ Separation of responsibilities
- 21. ENTER THE “ARMOURY” USE THE PHPORCE
- 22. THE ANALYSIS LIST OF TOOLS WE USED ▸ Phan: https://github.com/etsy/phan Phan is a static analyzer for PHP. Phan prefers to avoid false-positives and attempts to prove incorrectness rather than correctness. ▸ PHPStan: https://github.com/phpstan/phpstan PHP Static Analysis Tool - discover bugs in your code without running it! ▸ PHPCompatibilty: https://github.com/wimg/PHPCompatibility PHP Compatibility check for PHP_CodeSniffer
- 24. #COMMUNITYWORKS
- 27. THE COMMUNITY IS STRONG SHARING AS WE GO FORWARD ▸ Sharing our issues & solutions ▸ Promoting PHP 7.1 ▸ Improve adoption rate ▸ Becoming an expert in upgrades ▸ Learning more about PHP 7
- 28. TO CHANGE IS DIFFICULT. NOT TO CHANGE IS FATAL. William Pollard TWEETABLE QUOTE
- 29. OUR RESULT TIME TO SHOW
- 30. THE NUMBERS MEMORY CPU 0 17,5 35 52,5 70 PHP 5.6 PHP 7.1
- 31. THE "GRAPH"
- 32. QUICK RECAP TIMELINE ▸ Sep 2015: Research starts with PHP 7.0.0 RC3 ▸ Dec 2015: Release of PHP 7.0.0 ▸ Mar 2016: Planning starts ▸ Jul 2016: Preparation development starts ▸ Nov 2016: Testing phase starts ▸ Dec 2016: Release of PHP 7.1.0 ▸ Jan 2017: Upgrade completed 🎉
- 33. in it2PROFESSIONAL PHP SERVICES Michelangelo van Dam Zend Certified Engineer training@in2it.be - www.in2it.be T @in2itvof - F in2itvof PHPUnit Getting Started Advanced Testing Zend Framework 3 Fundamentals Advanced Azure PHP Quick time to market Scale up and out Security Locking down web apps PHPBootcamp PHP 7 from Zero to Hero DevOps Continuous Deployment www.dragonbe.com T @DragonBe - F DragonBe Slides: https://in2.se/road-to-php71