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)

4.
DECEMBER 3, 2015
A REVOLUTION STARTS

5.
#GOPHP7

6.
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?

7.
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!!!

8.
PRESENTING ON A SUBJECT IS THE BEST
WAY TO BECOME AN EXPERT ON THAT
SUBJECT.
Cal Evans (@CalEvans)
TWEETABLE QUOTE

9.
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

10.
NOT READY (YET)!
Let’s get to ready…

11.
LET’S START THE ELIMINATION ROUND

12.
LET’S START THE ELIMINATION ROUND
mysqlnd_ms
DB ATK-Framework
HTTP2
Net2
Drupal6
ereg_*
mcrypt_*
mysql_*

13.
CHANGE TAKES TIME
THE INCONVENIENT TRUTH

14.
PHP 7.1
AND THEN THERE WAS…

15.
WE NEED TO STEP UP!

16.
WHAT WE ALREADY DID
IMPROVE GOING FORWARD
▸ Elimination of non-compatible code
▸ Refactored code base
▸ Better understanding of our weaknesses
▸ Separation of responsibilities

17.
ENTER THE “ARMOURY”
USE THE PHPORCE

18.
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

19.
#COMMUNITYWORKS

20.
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

21.
TO CHANGE IS DIFFICULT. NOT TO
CHANGE IS FATAL.
William Pollard
TWEETABLE QUOTE

22.
OUR RESULT
TIME TO SHOW

23.
THE NUMBERS
MEMORY
CPU
0 17,5 35 52,5 70
PHP 5.6 PHP 7.1

24.
THE "GRAPH"

25.
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 🎉

26.
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