- $nsName = $this->getNamespaceName(
- $target->getNamespace(),
- $target->getText()
- );
+ // Try to get a namespace name, but fallback
+ // to empty string if it doesn't exist
+ try {
+ $nsName = $this->getNamespaceName(
+ $target->getNamespace(),
+ $target->getText()
+ );
+ } catch ( InvalidArgumentException $e ) {
+ $nsName = '';
+ }