SolrCollapseFunction::__construct

(PECL solr >= 2.2.0)

Constructor

public SolrCollapseFunction::__construct ([ string $field ] )

Collapse Function constructor

Parameters:

field

The field name to collapse on.

In order to collapse a result. The field type must be a single valued String, Int or Float.

Examples:

SolrCollapseFunction::__construct() example

<?php
 
include "bootstrap.php";
 
$options = array
(
    'hostname' => SOLR_SERVER_HOSTNAME,
    'login'    => SOLR_SERVER_USERNAME,
    'password' => SOLR_SERVER_PASSWORD,
    'port'     => SOLR_SERVER_PORT,
    'path'     => SOLR_SERVER_PATH
);
 
$client = new SolrClient($options);
 
$query = new SolrQuery('*:*');
 
$func = new SolrCollapseFunction('field_name');
 
$func->setMax('sum(cscore(),field(some_other_field))');
$func->setSize(100);
$func->setNullPolicy(SolrCollapseFunction::NULLPOLICY_EXPAND);
 
$query->collapse($func);
 
$queryResponse = $client->query($query);
 
$response = $queryResponse->getResponse();
 
print_r($response);
 
?>