Tony's String Guess Game

Riddle:

I'm spotty and speedy, but not at all greedy. I look like a leopard but don't try to play me at cards. What am I?

hint: The string has 7 characters.

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CODE FOLLOWS

<?php
include('includes/header.php');

echo "<h2>Tony's String Guess Game</h2>";

// strings
$riddle = "I'm spotty and speedy, but not at all greedy. I look like a leopard but don't try to play me at cards. What am I?";
$answer = "Cheetah";

// guess logic
if (!isset($_POST['guess']))
{
    echo "<p><h2>Riddle:</h2> $riddle</p>";

    echo "<p>hint: The string has " . strlen($answer) . " characters.</p>";

    echo '<form method="POST">';
    echo '<input type="text" name="guess">';
    echo "<br><br>";
    echo '<input type="submit" value="Submit">';
    echo '</form>';
    echo "<br><br>";
}
else // checks guess and show result
{
    $guess = trim($_POST['guess']);
    $guess = strtolower($guess);

    $answerCheck = strtolower($answer);

    if ($guess == $answerCheck)
    {
        echo "<h3>Correct!</h3>";
        echo "<p>The answer was: <strong>$answer</strong></p>";
        echo "<img src='images/cheetah.gif' width='498' height='280' alt='cheetah' title='cheetah'>";

        echo '<form method="POST">';
    }
    else
    {
        echo "<h3>Wrong answer. Try again!</h3>";
        echo "<p>Your guess was: $guess</p>";
        echo "<p>Hint: The string has " . strlen($answer) . " characters.</p>";

        echo '<form method="POST">';
        echo '<input type="text" name="guess">';
    }
    echo "<br><br>";
    echo '<input type="submit" value="Try Again">';
    echo "<br><br>";
    echo '</form>';
}

include 'includes/footer.php';
?>


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