php

<html>
<body>

	<?php
		if(isset($_POST["pname"])){
		  // create folder
		  mkdir("c:\\" .$_POST["pname"], 0655);
		}
		?>
<form method="POST">
  <input type="text" id="pname" name="pname" placeholder="Enter the name">
  <input type="submit" class="button" value="Next">
</form>

</body>
</html>