Merge pull request #1489 from Daniel-KM/feature/return_value

Returned an array when fetching all values when there is no result.

application/src/Api/Representation/AbstractResourceEntityRepresentation.php

@@ -313,7 +313,7 @@ public function values()
  * - all: (false) If true, returns all values that match criteria. If false,
  * returns the first matching value.
  * - default: (null) Default value if no values match criteria. Returns null
- * by default.
+ * by default for single result, empty array for all results.
  * - lang: (null) Get values of this language only. Returns values of all
  * languages by default.
  * @return ValueRepresentation|ValueRepresentation[]|mixed
@@ -328,7 +328,7 @@ public function value($term, array $options = [])
  $options['all'] = false;
  }
  if (!isset($options['default'])) {
- $options['default'] = null;
+ $options['default'] = $options['all'] ? [] : null;
  }
  if (!isset($options['lang'])) {
  $options['lang'] = null;