Pretty Print HTML using PHP 8.4's new HTML DOM

Pretty Print HTML using PHP 8.4's new HTML DOM

Those whom the gods would send mad, they first teach recursion. PHP 8.4 introduces a new Dom\HTMLDocument class it is a modern HTML5 replacement for the ageing XHTML based DOMDocument. You can read more about how it works - the short version is that it reads and correctly sanitises HTML and turns it into a nested object. Hurrah! The one thing it doesn't do is pretty-printing. When you call $dom->saveHTML() it will output something like: TestTest…