/**
* Filter the content and encode any bad HTML tags
*
* @since bbPress (r4641)
*
* @param string $content Topic and reply content
* @return string Partially encodedd content
*/
function bbp_encode_bad($content = '')
{
// Setup variables
$content = _wp_specialchars($content, ENT_NOQUOTES);
$content = preg_split('@(`[^`]*`)@m', $content, -1, PREG_SPLIT_NO_EMPTY + PREG_SPLIT_DELIM_CAPTURE);
$allowed = bbp_kses_allowed_tags();
$empty = array('br' => true, 'hr' => true, 'img' => true, 'input' => true, 'param' => true, 'area' => true, 'col' => true, 'embed' => true);
// Loop through allowed tags and compare for empty and normal tags
foreach ($allowed as $tag => $args) {
$preg = $args ? "{$tag}(?:\\s.*?)?" : $tag;
// Which walker to use based on the tag and arguments
if (isset($empty[$tag])) {
array_walk($content, 'bbp_encode_empty_callback', $preg);
} else {
array_walk($content, 'bbp_encode_normal_callback', $preg);
}
}
// Return the joined content array
return implode('', $content);
}
/**
* Display all of the allowed tags in HTML format with attributes.
*
* This is useful for displaying in the post area, which elements and
* attributes are supported. As well as any plugins which want to display it.
*
* @since bbPress (r2780)
*
* @uses bbp_kses_allowed_tags() To get the allowed tags
* @uses apply_filters() Calls 'bbp_allowed_tags' with the tags
* @return string HTML allowed tags entity encoded.
*/
function bbp_get_allowed_tags()
{
$allowed = '';
foreach ((array) bbp_kses_allowed_tags() as $tag => $attributes) {
$allowed .= '<' . $tag;
if (0 < count($attributes)) {
foreach (array_keys($attributes) as $attribute) {
$allowed .= ' ' . $attribute . '=""';
}
}
$allowed .= '> ';
}
return apply_filters('bbp_get_allowed_tags', htmlentities($allowed));
}
