A WooCommerce product is a post, so get_post() returns something usable and the price is right there in the meta. It is also wrong for variable products, where…
Two hundred and forty require_once calls where load order was load-bearing, moved onto an autoloader one namespace at a time without a big-bang rewrite.
Responsive images used to mean shipping the desktop file to everyone, or swapping src after load — which downloads both. srcset hands the browser the candidates and lets…
PHPUnit builds a fresh instance of the test class for every test method, so anything assigned in setUp() is rebuilt each time. That isolation is the point, and…
Flexbox went through three incompatible syntaxes on its way to a recommendation, which is why so much production CSS still carries display: -webkit-box next to display: -ms-flexbox. As…
Chasing one failure through a suite that takes four minutes usually ends with the other tests commented out — and one of them staying commented out, which nobody…
Converting a NodeList or an arguments object into a real array has been Array.prototype.slice.call(x) for a decade — an incantation that works because of how slice was specified…
Printing a <script> tag straight into a template puts it wherever the template happens to run, which is why so many themes have jQuery loaded twice and a…
OPcache has shipped with PHP since 5.5 and is disabled in several distribution builds, which means a good number of production servers are compiling every file on every…