To start developing in PHP, create a plain text file with a .php file extension and open it in the editor of your choice—for example Notepad, jEdit, Dreamweaver, NetBeans, or PHPEclipse. This PHP file can include any HTML, as well as PHP scripting code. Begin by first entering the following minimal markup for an HTML 5 web document.
<!doctype html>
<html>
<head>
<meta charset="UTF-8">
<title>PHP Test</title>
</head>
<body></body> ...