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PHP Manual :: SolrDisMaxQuery::setBoostFunction



SolrDisMaxQuery::setBigramPhraseSlop || SolrDisMaxQuery::setBoostQuery || SolrDisMaxQuery || PHP Manual

(No version information available, might only be in Git)

SolrDisMaxQuery::setBoostFunctionSets a Boost Function (bf parameter).

Description

public SolrDisMaxQuery SolrDisMaxQuery::setBoostFunction ( string $function )

Sets Boost Function (bf parameter).

Functions (with optional boosts) that will be included in the user's query to influence the score. Any function supported natively by Solr can be used, along with a boost value. e.g.:

recip(rord(myfield),1,2,3)^1.5

Parameters

function

Return Values

SolrDisMaxQuery

Examples

Example #1 SolrDisMaxQuery::setBoostFunction() example

<?php

$dismaxQuery 
= new SolrDisMaxQuery('lucene');

$boostRecentDocsFunction "recip(ms(NOW,mydatefield),3.16e-11,1,1)";
$dismaxQuery->setBoostFunction($boostRecentDocsFunction);

echo 
$dismaxQuery.PHP_EOL;

?>

The above example will output something similar to:

q=lucene&defType=edismax&bf=recip(ms(NOW,mydatefield),3.16e-11,1,1)

See Also



SolrDisMaxQuery::setBigramPhraseSlop || SolrDisMaxQuery::setBoostQuery || SolrDisMaxQuery || PHP Manual
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