Topics Builder¶
Introduction¶
You can build topics by using the TopicsBuilder class.
Usage¶
use Kerox\Message\TopicsBuilder;
$topicsBuilder = new TopicsBuilder('Topic A');
AND condition¶
$topicsBuilder->andTopic('Topic B');
Result: 'Topic A' in topics && 'Topic B' in topics
OR condition¶
$topicsBuilder->orTopic('Topic B');
Result: 'Topic A' in topics || 'Topic B' in topics
Subcondition¶
$topicsBuilder->andTopic(function () {
return new TopicsBuilder('Topic B')->orTopic('Topic C');
})
Result: 'Topic A' in topics && ('Topic B' in topics || 'Topic C' in topics)