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<!--
File: passcalculator.php
Assignment: 2 Part: d
Due: Feb. 19, 2018
Author: Ikechukwu Etonyeaku
Goal: Based on the general calculator in Pages 47-49, secure the Web pages by adding a login
page with the password of hw2d to access the tool, and also add the additional operations
of modulus (a%b) and power (ab) to the operation form.
-->
<?php session_start(); ?>
<?php
$pass = $_SESSION['psw'];
if($pass != "hw2d")
print "Sorry wrong password buddy.";
else
{
?>
<HTML>
<style>
body {
border: 2px solid black;
padding: 25px;
background:url(http://www.avatarys.com/var/albums/SPORT-IMAGES-%26-BACKGROUNDS/Sport-Logos/English-Premier-League-Logos/1920x1080-Cool-Soccer-Logos/Ac%20milan%20logo%20football%20Cool%20Soccer%20Wallpapers%201920x1080.jpg?m=1435255621);
background-repeat:no-repeat;
background-size: auto;
}
.black_bg
{
background-color: black;
padding: 3px;
}
</style>
<Font color = White>
<CENTER>
<H2><span class = "black_bg"><strong>A GENERAL CALCULATOR</span> </H2>
<HR>
<?php
$n1 = $_POST['num1'];
$n2 = $_POST['num2'];
$_SESSION['v1'] = $n1;
$_SESSION['v2'] = $n2;
print "Num1 is: $n1<p>";
print "Num2 is: $n2<p>";
?>
</center>
<HR>
<FORM action=calculator.php method=post>
Choose operation: <BR>
+ <INPUT type=radio name=op value=add checked> <BR>
- <INPUT type=radio name=op value=sub> <BR>
* <INPUT type=radio name=op value=mul> <BR>
/ <INPUT type=radio name=op value=div> <BR>
% <INPUT type=radio name=op value=mod> <BR>
^ <INPUT type=radio name=op value=pow> <BR>
<P>
<INPUT type=submit value=Submit>
<INPUT type=reset value=Reset>
</FONT>
</html>
<?php
}
?>