Selects the group heads by the max value of a numeric field or function query.

SolrCollapseFunction::setHint
SolrCollapseFunction::setMin
SolrCollapseFunction
PHP Manual

# SolrCollapseFunction::setMax

(PECL solr >= 2.2.0)

SolrCollapseFunction::setMax — Selects the group heads by the max value of a numeric field or function query.

### Description

public SolrCollapseFunction SolrCollapseFunction::setMax ( string `$max` )

Selects the group heads by the max value of a numeric field or function query.

### Parameters

`max`

### Return Values

SolrCollapseFunction

### Examples

Example #1 SolrCollapseFunction::setMax() example

`<?php
$func = new SolrCollapseFunction('field_name');
$func->setMax('sum(cscore(),field(some_field))');
$query = new SolrQuery('*:*');
$query->collapse($func);
?>`

SolrCollapseFunction::setHint
SolrCollapseFunction::setMin
SolrCollapseFunction
PHP Manual