private function hasButtonTypeClass(Html $el)
{
$rendered = $el->startTag();
return preg_match('~class="[^"]*\\bbtn-[a-z]+\\b~', $rendered);
}
private function hasButtonTypeClass(Html $el)
{
$rendered = $el->startTag();
return preg_match('~class="[^"]*\\bbtn-[a-z]+\\b~', $rendered);
}