Codecademy Sample Solution: Semicolons

<!DOCTYPE html>
<html>
<head>
<title>Oh No!</title>
</head>
<body>
        <p><?php
            echo "Oh, the humanity!";
          ?></p>
    </body>
</html>

Codecademy Sample Solution: Variables

<!DOCTYPE html>
<html>
<head>
<title>Variable Magic</title>
</head>
<body>
        <!-- Add your PHP code between the <p></p> tags! -->
        <p>
        <?php $myFirstVariable = 0;
        echo $myFirstVariable; ?>
        </p>
    </body>
</html>

Codecademy Sample Solution: Strings

<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
        <!-- Echo your string between the <p></p> tags! -->
        <p>
        <?PHP echo "A string " . "of my choice!"; ?>
        </p>
</body>
</html>

Codecademy Sample Solution: Arithmetic

<!DOCTYPE html>
<html>
<head>
<title></title>
</head>
<body>
        <!-- Include your PHP code between the <p></p> tags! -->
        <p>
        <?PHP echo 17 * 123; ?>
        </p>  
</body>
</html>

Codecademy Sample Solution: Echo

<!DOCTYPE html>
<html>
    <head>
        <link type='text/css' rel='stylesheet' href='style.css'/>
<title>Hello, World!</title>
</head>
<body>
        <!-- Add your PHP code in the tag below! -->
        <h1><?php
            echo "I'm learning PHP!";
            ?></h1>
</body>
</html>

Codecademy Sample Solution: Just a New Tag

<!DOCTYPE html>
<html>
<head>
        <link type="text/css" rel="stylesheet" href="style.css"/>
<title>Summing Things Up</title>
</head>
<body>
        <p>
            <?php echo 40+2; ?>  
        </p>  
</body>
</html>

Codecademy Sample Solution: Why Learn PHP?

<!DOCTYPE html>
<html>
    <head>
        <link type='text/css' rel='stylesheet' href='style.css'/>
    <title>Get Started!</title>
</head>
<body>
        <p><?php echo "My first line of PHP!"; ?></p>
</body>
</html>