Lucene is a Java library providing powerful indexing and search features, as well as spellchecking, hit highlighting and advanced analysis/tokenization capabilities.
This is jphp package for using lucene java library (ver 8.5+)
Use jppm tool:
jppm add jphp-lucene-ext@git+https://github.com/jphp-group/jphp-lucene-ext.git
jppm build+test