SydPHPWe’ve got awesome stuff coming upVisit us! http://sydphp.orgNovember MeetupDecember “Phunconference 2”January Australia Day BBQ
What PHP Version? PHP 4 PHP 5.1 PHP 5.2 PHP 5.3 PHP 5.4 PHP 6 (Yes, there are some people using it)
100 75 50 25PHP 3 PHP 4 0 PHP 5 PHP 6 Data courtesy of w3techs.com
80 60 40 205.0 5.1 5.2 0 5.3 5.4 Data courtesy of w3techs.com
Traditionally slow adopters PHP 4 to PHP 5 was a painfully slow upgrade for the global community Shared hosts retained old versions Object handling was different PHP 5.1 on CentOS People don’t upgrade stable systems PHP 5.2 massive exposure Again, people don’t upgrade stable systems PHP 5.3 used, but not fully
Why slow adopters? Shared hosts Established applications Upgrade path Old excuses
Why adopt early? New language features More elegant ways to solve problems Cleaner code Adopting early gets you noticed
What about instability? Be sensible with production-ready systems Don’t use the bleeding edge Conﬁrm functionality Unit Testing Integration testing Load testing If your tests pass, then phase in the new system Use sensible reporting / monitoring
PHP 5.4-RC1 RC1 was released for QA on 11th November 2011 Some new features, plenty of bug ﬁxes You can download it for yourself! http://qa.php.net/ Give it a try See if your applications run on it
Whats the big deal? Elegant code re-use Without complicated multiple inheritance No diamond issues Kinda like interfaces But provides implementation Other languages are doing similar things PHP is keeping up with the trends
PHP’s approach Traits deﬁne small sections of reusable code This code can be included in any class There is a loading precedence order Puts developers in control Looks a feels natural No need to write things twice Override capabilities
SometimesTraits needAdjustmentMaybe log() needs tobe public in youruse case.
ChangeMethodsas you likelog() is now accessibleto the User instancein this context.
CustomiseFurtherChange method namesif you’re into thatsort of thing.Provide preferences.
Graham Weldon Twitter: @predominant http://grahamweldon.com Its over! http://cakedc.comQuestions? http://cakephp.org Get in touch if you want to know more about this presentation, PHP in general, or anything. :-)