<HTML><BODY> <?php // this comment will not be passed to the browser // or interpreted echo "Hello, User<P>"; // simple echo of string echo "What is your name?<P>"; echo "<FORM action=\"respond.php3\" METHOD=GET>"; echo "First Name: <Input TYPE=Text Name=\"fname\" > <BR>"; //note quotes within quotes are escaped with a //backslash echo "Last Name: <Input TYPE=Text Name=\"lname\" > <BR>"; echo "Enter two numbers to add: <Input TYPE=Text Name=\"x\">"; echo "<Input TYPE=Text Name=\"y\"><BR>"; echo "<Input TYPE=SUBMIT name=\"enter\" value=\"enter\">"; echo "</FORM>"; ?> </HTML></BODY>
<HTML><BODY> <?php echo "Hello again, $fname $lname<P>"; // echo of // cgi vars passed in $z=$x+$y; // perform calculation echo "$x + $y = $z !"; ?> </HTML></BODY>