public function set_attributes($raw_attributes)
{
$raw_attributes = (array) $raw_attributes;
$attributes = array();
foreach ($raw_attributes as $key => $value) {
// Remove attribute prefix which meta gets stored with.
if (0 === strpos($key, 'attribute_')) {
$key = substr($key, 10);
}
$attributes[$key] = $value;
}
$this->set_prop('attributes', $attributes);
}