Binary to Hexadecimal Conversion Quest
Figure out the hexadecimal for these binary numbers!";
}
else
{
if ($myAns == $realAns)
{
print "
Yes - You Got It!
";
}
else
{
print "
Maybe next time!
";
}
}
}
function showBinary($which)
{
print <<
HERE;
}
function printBinary()
{
$cards = rand(2,4);
if ($cards == 2)
{
twoCards();
}
else
{
if ($cards == 3)
{
threeCards();
}
else
{
if ($cards == 4)
{
fourCards();
}
}
}
}
function twoCards()
{
global $realAns;
$choice1 = rand(0,1);
$choice2 = rand(0,1);
showBinary($choice1);
showBinary($choice2);
if ($choice1 == 1)
{
if ($choice2 == 1)
{
$realAns = 3;
}
else
{
$realAns = 2;
}
}
else
{
if ($choice2 == 1)
{
$realAns = 1;
}
else
{
$realAns = 0;
}
}
}
function threeCards()
{
global $realAns;
$choice1 = rand(0,1);
$choice2 = rand(0,1);
$choice3 = rand(0,1);
showBinary($choice1);
showBinary($choice2);
showBinary($choice3);
if ($choice1 == 1)
{
if ($choice2 == 1)
{
if ($choice3 == 1)
{
$realAns = 7;
}
else
{
$realAns = 6;
}
}
else
{
if ($choice3 == 1)
{
$realAns = 5;
}
else
{
$realAns = 4;
}
}
}
else
{
if ($choice2 == 1)
{
if ($choice3 == 1)
{
$realAns = 3;
}
else
{
$realAns = 2;
}
}
else
{
if ($choice3 == 1)
{
$realAns = 1;
}
else
{
$realAns = 0;
}
}
}
}
function fourCards()
{
global $realAns;
$choice1 = rand(0,1);
$choice2 = rand(0,1);
$choice3 = rand(0,1);
$choice4 = rand(0,1);
showBinary($choice1);
showBinary($choice2);
showBinary($choice3);
showBinary($choice4);
if ($choice1 == 1 and $choice2 == 1 and $choice3 == 1 and $choice4 == 1)
{
$realAns = F;
}
if ($choice1 == 1 and $choice2 == 1 and $choice3 == 1 and $choice4 == 0)
{
$realAns = E;
}
if ($choice1 == 1 and $choice2 == 1 and $choice3 == 0 and $choice4 == 1)
{
$realAns = D;
}
if ($choice1 == 1 and $choice2 == 1 and $choice3 == 0 and $choice4 == 0)
{
$realAns = C;
}
if ($choice1 == 1 and $choice2 == 0 and $choice3 == 1 and $choice4 == 1)
{
$realAns = B;
}
if ($choice1 == 1 and $choice2 == 0 and $choice3 == 1 and $choice4 == 0)
{
$realAns = A;
}
if ($choice1 == 1 and $choice2 == 0 and $choice3 == 0 and $choice4 == 1)
{
$realAns = 9;
}
if ($choice1 == 1 and $choice2 == 0 and $choice3 == 0 and $choice4 == 0)
{
$realAns = 8;
}
if ($choice1 == 0 and $choice2 == 1 and $choice3 == 1 and $choice4 == 1)
{
$realAns = 7;
}
if ($choice1 == 0 and $choice2 == 1 and $choice3 == 1 and $choice4 == 0)
{
$realAns = 6;
}
if ($choice1 == 0 and $choice2 == 1 and $choice3 == 0 and $choice4 == 1)
{
$realAns = 5;
}
if ($choice1 == 0 and $choice2 == 1 and $choice3 == 0 and $choice4 == 0)
{
$realAns = 4;
}
if ($choice1 == 0 and $choice2 == 0 and $choice3 == 1 and $choice4 == 1)
{
$realAns = 3;
}
if ($choice1 == 0 and $choice2 == 0 and $choice3 == 1 and $choice4 == 0)
{
$realAns = 2;
}
if ($choice1 == 0 and $choice2 == 0 and $choice3 == 0 and $choice4 == 1)
{
$realAns = 1;
}
if ($choice1 == 0 and $choice2 == 0 and $choice3 == 0 and $choice4 == 0)
{
$realAns = 0;
}
}
function getAns()
{
global $realAns;
print <<Convert the binary to hexadecimal:
HERE;
}
?>