Is my code ready for PHP 7 ?
I told engineeringto upgrade all serversto PHP 7. That's
OK,right ?
I uh...I guess...
Before we begin
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Copyright Michelangelo ;-)
Who am I ?
Wim Godden (@wimgtr)
Founder of Cu.be Solutions (http://cu.be)
Open Source developer since 1997
Developer of PHPCompatibility, OpenX, PHPConsistent, ...
Speaker at Open Source conferences
Why vs How
Why upgrade ?Bad reasons :It's cool to have the latest
version
Annoy sysadmins
Oh cool, a new toy !
How to upgrade ?The nightmare of compatibilityThe joy of
automationNo miracles here !
part 2look at difficulties you might encounter in upgrading.
I'll provide solutions not a magician
can't solve everything ;-)
Show of hands
3 / 4
5.0
5.1
5.2
5.3
5.4
5.5
5.6
6.0
7.0
The numbers
W3Techs (http://w3techs.com/technologies/details/pl-php/all/all)
Dec 2015 Jan 2015 Nov 2013PHP 4 : 1.3%1.8% 2.7%
PHP 5 : 98.7%98.2% 97.3%
5.0 :
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