SilverStripe\FullTextSearch\Search\Variants\SearchVariant::mergeClasses
Merge sets of (or individual) class names together for a search index field.
If there is only one unique class name, then just return it as a string instead of array.
Signature
protected function mergeClasses(array|string
$left,
array|string
$right )
Parameters
$left
— object- Left class(es)
$right
— object- Right class(es)
Returns
- array|string
- List of classes, or single class