Tent/elements/sidebar.php

<?php
  function echo_sidebar ($image, $text, $links = null) {
    echo "<div class=\"sidebar\">";

    if (isset($image)) echo "<img src=\"" . convert_link($image) . "\">";
    if (!empty($text)) echo "<p>" . nl2br(trim($text)) . "</p>";

    if ($links->length) echo "<p>";
    foreach ($links as $index => $link) {
      echo "<a href=\"" . convert_link($link->attr("href")) . "\">" . htmlspecialchars($link->text()) . "</a>";
      if ($index !== count($links) - 1) echo "<br>";
    };
    if ($links->length) echo "</p>";

    echo "</div>";
  };
?>