PhpRiot
News Archive
PhpRiot Newsletter
Your Email Address:

More information

Wim Godden's Blog: Automated PHP 5.3 compatibility testing for your (old) code

Note: This article was originally published at PHPDeveloper on 23 December 2010.
PHPDeveloper

In this new post to his blog today, Wim Godden looks at how you can use the PHPUnit unit testing framework to be sure your applications are ready to move to a PHP 5.30-only world.

So you or your team has built anywhere between 5 and 500 projects in PHP 4, 5.1 and 5.2 over the past 5 years. And now PHP 5.3 is there, offering a lot of very interesting features, including namespace support, late static binding (finally !), closures, nested exceptions and a bunch more (see the new feature list). So naturally, you'd like to upgrade. But doing so might break some old code.

He suggests a few different options - just run your unit tests and hope for the best, test the application's code directly or, his preference, run compatibility tests with the help of PHP_CodeSniffer and this new sniff he created. The sniff finds things like deprecated functions hanging around from pre-5.3 times as a part of a subset that the code sniffer can easily find.