Saying "Hello" : Form Data « Form « PHP

Saying "Hello"

if (array_key_exists('my_name',$_POST)) {
    print "Hello, ". $_POST['my_name'];
} else {
<form method="post" action="$_SERVER[PHP_SELF]">
 Your name: <input type="text" name="my_name">
<input type="submit" value="Say Hello">

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