hiUser.php
Source of hiUser.php
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN"
"http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html lang="EN" dir="ltr" xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>Hi User</title>
</head>
<body>
<h1>Hi User</h1>
<?php
if (filter_has_var(INPUT_POST, "userName")){
// the form exists, so work with it
$userName = filter_input(INPUT_POST, "userName");
print "<h2>Hi there, $userName!</h2> \n";
} else {
//there's no input. Create the form
print <<< HERE
<form action = ""
method = "post">
<fieldset>
<label>Please enter your name</label>
<input type = "text"
name = "userName" />
<button type = "submit">
submit
</button>
</fieldset>
</form>
HERE;
} // end 'value exists' if
?>
</body>
</html>