Answers for "adding css and js to php"

adding css to php file

echo "<link rel='stylesheet' type='text/css' href='CSS/main.css'>";

html css js php

HTML (HyperText Markup Language) is the most basic building block of the Web.
CSS is the language we use to style an HTML document. CSS describes how HTML elements should be displayed. 
PHP is a popular general-purpose scripting language that is especially suited to web development. Fast, flexible and pragmatic, PHP powers everything from your blog to the most popular websites in the world.