header.php

        <ul>
            <li><a href="Week_1_intro_to_html/html_test.html">Week 1 - intro to HTML</a></li>
            <li><a href="Week_2_css_and_intro_to_php/html_test.php">Week 2 - intro to PHP</a></li>
            <li><a href="Week_3_github_and_cli/html_test.php">Week 3 - CLI and Github</a></li>
            <li><a href="Week_4_Advanced_CSS/html_test.php">Week 4 - Advanced CSS</a></li>
            <li><a href="Week_5_Databases/html_test.php">Week 5 - Databases</a></li>
            <li><a href="Week_6_JS/html_test.php">Week 6 - JavaScript</a></li>
            <li><a href="Week_7_OOP_JSAPIs/html_test.php">Week 7 - PHP OOP</a></li>
            <li><a href="#">Week 8 - Debug and project management (nothing to see here)</a></li>
            <li><a href="Week_9_PHP_APIs/html_test.php">Week 9 - PHP APIs</a></li>
        </ul>