daily programmer 83int driver - taion809

<?php

    require_once("83int_index.php");
    require_once("83int_search.php");


    $time_start = microtime(true);

    echo "<html>\n
        <head>\n
        <title>Daily Programmer 83 Intermediate</title>\n
        <meta http-equiv=\"content-type\" content=\"text/html;charset=UTF-8\" />
        </head>\n
        <body>\n";

    if(isset($_SERVER['REQUEST_METHOD']))
    {
        if(isset($_GET['index']))
        {
            $index = new Index();
            $index->begin_index();
        }

        else if(isset($_GET['search']))
        {
            $search = new Search();
            $search_terms = explode("%20",filter_var($_GET['search_term'], FILTER_SANITIZE_ENCODED));

            foreach($search_terms as $term)
            {
                $results = $search->search($term);

                if(count($results) > 0)
                {
                    echo "Found " . count($results). " occurances of " . $term ."<br /><br />";

                    foreach($results as $item)
                    {
                        echo "File: " . $item["file"]." Line: " . $item["line"] . "<br />Context: " . $item['word'] ."<br /><hr /><br />";
                    }
                }
            }
        }
    }

    echo "</body>\n</html>";

    $end_time = microtime(true);

    $time = $end_time - $time_start;
    echo "Execution Time: ".$time." seconds<br />";

?>