7.1.2.view_controller_separation.php

<?php

// Require or include statements are allowed here. All other code goes in the pageController function.

/**
 * The pageController function handles all processing for this page.
 * @return array An associative array of data to be used in rendering the html view.
 */


function sayHello()
{
    $message = "Hello";
    return $message;
}

function pageController()
{
    // Initialize an empty data array.
    $data = [];

    // Add data to be used in the html view.
    $data['message'] = sayHello();

    // Return the completed data array.
    return $data;
}

// Call the pageController function and extract all the returned array as local variables.
extract(pageController());

// Only use echo, conditionals, and loops anywhere within the HTML.
?>
<!doctype html>
<html>
    <head>
        <title>PHP + HTML</title>
    </head>
    <body>
       <h1><?= $message; ?></h1>

    </body>
</html>