Running Multiple Versions of PHP

When I advise people about upgrading their PHP version, I say things like "just run your test suite with the new version" "just grab the new version and try your site with the built-in webserver". A couple of people recently have asked for more detail on how to actually achieve these things so here's a quick primer on getting new PHP without touching anything to do with your existing PHP installation. Continue reading

PHP 5.6 and the Splat Operator

We have a couple of new features coming in to PHP 5.6 with names that sound much less exciting than the features they actually represent: "variadic functions" sound positively academic, and "argument unpacking" isn't exactly catchy. However they both use a new operator in PHP which looks like an elipsis (three dots ...) and is referred to as either the splat operator or the scatter operator. I included them in a recent version of my "Upgrading PHP" talk so I thought I'd share the examples here too in case anyone is interested. Continue reading