All little basic, but I've got to start somewhere right.

JS

A little hot take button where I target an element by its ID so does not work on a class.

<p id="hottake">Pinapple does not belongs on pizza</p>
<button onclick="document.getElementById('hottake').innerHTML = 'You\'re wrong!'">Change my Mind</button>

CSS

I'm probably ok with CSS and may well be ready already to jump into something more advanced.

All the same here is something a little more fun and interesting I learned today.

html {
  background-image: linear-gradient(to top, 
rgb(211, 94, 70, 0.2), 
rgb(111, 222, 16, 0.8));
}

For the gradient of the linear gradient specified in the first parameter. This also accepts:

On bottom
On top
on left
on right
45deg ( or whatever degree you want so 184deg if I want it at that particular angle )

PHP

The ability to access information created by the web server.

It's important to note that not all web servers display all possible information that can be extracted.

    print $_SERVER['REQUEST_URI'];
    print $_SERVER['PATH_INFO'];
    print $_SERVER['DOCUMENT_ROOT'];
    print $_SERVER['SERVER_PORT'];

I can access my configuration settings too.

//incorrect usage
echo phpinfo(INFO_ENVIRONMENT);

Not quite, I misunderstood the term customised as used in the PHP manual.

If I want environment values I must use instead