<form method="get" action="processor.php">
            <input type="text" name="firstName">
            <input type="text" name="lastName">
            <input type="submit" value="Submit">
    </form>

    <!--Assume anything above this is part of your HTML document-->
    <!--Assume anything below this is part of processor.php-->
    <?php
        echo $_GET['firstName'];
	echo $_GET['lastName'];
    ?>