Gazelle/sections/wiki/edit.php

<?php
declare(strict_types = 1);

if (!isset($_GET['id']) || !is_number($_GET['id'])) {
    error(404);
}

$ArticleID = (int) $_GET['id'];
$Article = Wiki::get_article($ArticleID);
list($Revision, $Title, $Body, $Read, $Edit, $Date, $Author) = array_shift($Article);

if ($Edit > $LoggedUser['EffectiveClass']) {
    error('You do not have access to edit this article.');
}

View::show_header(
    'Edit '.$Title,
    'bbcode,vendor/easymde.min',
    'vendor/easymde.min'
);
?>

<div>
  <div class="box pad">
    <form class="edit_form" name="wiki_article" action="wiki.php" method="post">
      <input type="hidden" name="action" value="edit" />
      <input type="hidden" name="auth"
        value="<?=$LoggedUser['AuthKey']?>" />
      <input type="hidden" name="id" value="<?=$ArticleID?>" />
      <input type="hidden" name="revision" value="<?=$Revision?>" />

      <div>
        <h3>Title</h3>
        <input type="text" name="title" size="92" maxlength="100"
          value="<?=$Title?>" />

        <h3>Body</h3>
        <?php
$ReplyText = new TEXTAREA_PREVIEW(
    $Name = 'body',
    $ID = 'body',
    $Value = $Body,
);

  if (check_perms('admin_manage_wiki')) { ?>
        <h3>Access</h3>
        <p>
          There are some situations in which the viewing
          or editing of an article should be restricted to a certain class.
        </p>

        <strong>Restrict read:</strong> <select name="minclassread"><?=class_list($Read)?></select>
        <strong>Restrict edit:</strong> <select name="minclassedit"><?=class_list($Edit)?></select>
        <?php } ?>

        <div style="text-align: center;">
          <input type="button" value="Preview"
            class="hidden button_preview_<?=$ReplyText->getID()?>"
            tabindex="1" />
          <input type="submit" class="button-primary" value="Submit" />
        </div>
      </div>
    </form>
  </div>
</div>
<?php View::show_footer();