medansoftware/c45-algorithm-php

This PHP library turns tabular data into a C4.5 decision tree, then supports prediction, evaluation, and tree export. The main workflow is data ingestion and indexing, gain-based split selection, recursive tree construction, and classification. The README documents Excel, CSV, and array inputs plus multiple exports; those capabilities are represented, though their runtime wiring is inferred only where the sampled source supports it.