SolrQuery
PHP Manual

SolrQuery::getMltFields

(PECL solr >= 0.9.2)

SolrQuery::getMltFieldsReturns all the fields to use for similarity

Description

public array SolrQuery::getMltFields ( void )

Returns all the fields to use for similarity

Parameters

This function has no parameters.

Return Values

Returns an array on success and NULL if not set.


SolrQuery
PHP Manual