* @return string
*/
public function getKey() {
- return $this->key;
+ if ( is_array( $this->key ) ) {
+ // May happen if some kind of fallback is applied.
+ // For now, just use the first key. We really need a better solution.
+ return $this->key[0];
+ } else {
+ return $this->key;
+ }
}
/**