protected function ksesAllowedHtml(array $attributes)
{
$params = [];
foreach ($attributes as $atts) {
$atts = explode('|', $atts);
// Set the HTML tag.
$key = array_shift($atts);
$params[$key] = [];
// Add tag attributes.
if (!empty($atts)) {
foreach ($atts as $attribute) {
$params[$key][$attribute] = [];
}
}
}
return $params;
}