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This document uses PHP Chinese website manual Release
(PECL solr >= 0.9.2)
SolrQuery::getMltMinDocFrequency — Returns the treshold frequency at which words will be ignored which do not occur in at least this many docs
Returns the treshold frequency at which words will be ignored which do not occur in at least this many docs
此函数没有参数。
Returns an integer on success and NULL
if not set.