Sets collapse hint

# SolrCollapseFunction::setHint

(PECL solr >= 2.2.0)

SolrCollapseFunction::setHint — Sets collapse hint

### 说明

public function SolrCollapseFunction::setHint(string `$hint`): SolrCollapseFunction

Sets collapse hint

### 参数

`hint`

  Currently there is only one hint available "top_fc", which stands for top level FieldCache

### 返回值

SolrCollapseFunction

### 示例

示例 #1 SolrCollapseFunction::setHint() example

    <?php

    /* ... */

    ?>

以上示例的输出类似于：

    ...

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