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Strip combining characters from Unicode strings (eg. Zalgo)

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Michael Foster
2013-07-28 20:33:26 -04:00
parent cea7881749
commit 57c8e4ee7c
3 changed files with 57 additions and 2 deletions
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9
post.php
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@@ -357,6 +357,13 @@ if (isset($_POST['delete'])) {
$post['thumb'] = $board['dir'] . $config['dir']['thumb'] . $post['file_id'] . '.' . ($config['thumb_ext'] ? $config['thumb_ext'] : $post['extension']);
}
if ($config['strip_combining_chars']) {
$post['name'] = strip_combining_chars($post['name']);
$post['email'] = strip_combining_chars($post['email']);
$post['subject'] = strip_combining_chars($post['name']);
$post['body'] = strip_combining_chars($post['body']);
}
// Check string lengths
if (mb_strlen($post['name']) > 35)
error(sprintf($config['error']['toolong'], 'name'));
@@ -368,7 +375,7 @@ if (isset($_POST['delete'])) {
error($config['error']['toolong_body']);
if (mb_strlen($post['password']) > 20)
error(sprintf($config['error']['toolong'], 'password'));
wordfilters($post['body']);
$post['body_nomarkup'] = $post['body'];