private function applyAttributes(AbstractBlock $block)
{
$previous = null;
$prepend = null;
foreach ($block->getChildren() as $key => $child) {
if ($child instanceof Attributes) {
if ($child->isPrepend()) {
$prepend = $child;
} elseif ($child->isAppend()) {
$previous->data['attributes'] = AttributesUtils::merge($previous ?: $block, $child->getAttributes());
}
$block->removeChild($child);
} else {
if (isset($prepend)) {
$child->data['attributes'] = AttributesUtils::merge($child, $prepend->getAttributes());
}
$prepend = null;
$this->applyAttributes($child);
$previous = $child;
}
}
if (isset($prepend)) {
$block->data['attributes'] = AttributesUtils::merge($block, $prepend->getAttributes());
}
return $block;
}
