public static function getExtendeeClassName(FieldDescriptorProto $field)
{
if (getenv("PEAR_STYLE") || $field->file()->getOptions()->getExtension("php")->getStyle() == Style::PEAR) {
return str_replace(".", "_", preg_replace("/^.+/", ".", $field->getExtendee()));
} else {
return str_replace(".", "\\", $field->getExtendee());
}
}