Amit Merchant A blog on PHP, JavaScript and more Les tutos et cours Developpez.com ; VIII-5-b. To make links, you use what you always use when coding HTML: an element. But adding metadata is not relevant if the metadata are not used for anything. En guise de conclusion; VIII-1-a. As far as I understand, PHP attributes are a way to add metadata to some items, namely: functions, classes, class constants/properties/methods as well as function and method parameters. Probably the biggest and most exciting addition of PHP 8 is the JIT compiler. Vertex attributes are used to communicate from "outside" to the vertex shader. The PHP DOMElement class contains methods that can be used to read, set, and remove attributes in a HTML document loaded into a DOMDocument object. There are built-in vertex attributes like the normal or the position, or you can specify your own vertex attribute like a tangent or another custom value. When present, it specifies that the element should automatically get focus when the page loads. Let's break down what attributes are and how you can use them in your code. A simple element with one attribute and you will be able to link to anything and everything. The autofocus attribute can be used on the following elements: Elements Attribute