<!-- Example 13.30 (Figure 13.12)

    To work, this file must be installed in a directory accessible to a
    web server, and the server must have PHP enabled.
    The companion file, add.php, must be in the same directory.
-->

<HTML>
<HEAD>
<TITLE>Adder</TITLE>
</HEAD>
<BODY>
<FORM action="add.php" method="post">
<P><INPUT name="argA" size=3>First addend<BR>
   <INPUT name="argB" size=3>Second addend
<P><INPUT type="submit">
</FORM>
</BODY>
</HTML>
