by ReorMadrid on WordPress.org
Displays code with syntax highlighting using Prism.js, real line numbering, and a copy button.

To use it, you must use the [code] shortcode like this:
PHP Code Example:
[easycode]
< ? php
e cho “Hi, world!”;
? >
[/easycode]
In the admin menu, you have options to change the background colors, button colors, language and more.