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SolrDisMaxQuery::removeTrigramPhraseField — Removes a Trigram Phrase Field (pf3 parameter)
$field 
   )Removes a Trigram Phrase Field (pf3 parameter)
field Field Name
SolrDisMaxQuery
Example #1 SolrDisMaxQuery::removeTrigramPhraseField() example
  <?php
$dismaxQuery  = new  SolrDisMaxQuery ( 'lucene' );
 $dismaxQuery
 -> addTrigramPhraseField ( 'cat' ,  2 ,  5.1 )
-> addTrigramPhraseField ( 'feature' ,  4.5 )
;
echo  $dismaxQuery . PHP_EOL ;
 // reverse
 $dismaxQuery
 -> removeTrigramPhraseField ( 'cat' );
echo  $dismaxQuery . PHP_EOL ;
 ?>   以上例程会输出:
q=lucene&defType=%s&pf3=cat~5.1^2 feature^4.5 q=lucene&defType=%s&pf3=feature^4.5