softUniTunes

    <?php
    $lines = preg_split('/\n/', $_GET['text']);
    $artist = $_GET['artist'];
    $property = $_GET['property'];
    $order = $_GET['order'];

    $songs = [];

    for ($i = 0; $i < count($lines); $i++) {
        $line = preg_split('/\s*\|\s*/', $lines[$i], -1, PREG_SPLIT_NO_EMPTY);
        $name = trim($line[0]);
        $genre = trim($line[1]);
        $tempArr = preg_split('/\s*,\s*/', $line[2], -1, PREG_SPLIT_NO_EMPTY);
        asort($tempArr);
        $downloads = trim($line[3]);
        $rating = floatval(trim($line[4]));
        if (in_array($artist, $tempArr) && count($line) == 5) {
            $songs[] = ['name' => $name, 'genre' => $genre, 'artists' => $tempArr, 'downloads' => $downloads, 'rating' => $rating];
        }
    }

    if (count($songs) > 0) {
    //get sort keys:
        foreach ($songs as $key => $row) {
        $sortProperty[$key] = $row[$property];
        $sortSongNames[$key] = $row['name'];
        }
        // Sort the data:
        if ($order == 'ascending') {
            array_multisort($sortProperty, SORT_ASC, $sortSongNames, SORT_ASC, $songs );
        } else {
            array_multisort($sortProperty, SORT_DESC, $sortSongNames, SORT_ASC, $songs );
        }

        echo '<table>' . "\n";
        echo '<tr><th>Name</th><th>Genre</th><th>Artists</th><th>Downloads</th><th>Rating</th></tr>' . "\n";
        foreach ($songs as $song => $data) {
            echo '<tr>';
            echo "<td>" . htmlspecialchars($data['name']) ."</td><td>" . htmlspecialchars($data['genre']) .
                    "</td><td>" . htmlspecialchars(implode(', ', $data['artists'])) . "</td><td>" .
                    htmlspecialchars($data['downloads']) . "</td><td>" . htmlspecialchars($data['rating']) . "</td>";
            echo '</tr>' . "\n";
        }
        echo '</table>';
    } else {
        echo '<table>' . "\n";
        echo '<tr><th>Name</th><th>Genre</th><th>Artists</th><th>Downloads</th><th>Rating</th></tr>' . "\n";
        echo '</table>';
    }
    ?>