PHPTS：一键免费搭建 Nginx + PHP + MySQL 运行环境

PHP Manual
SolrCollapseFunction
Returns a string representing the constructed collapse function

SolrCollapseFunction::__toString

(PECL solr >= 2.2.0)

SolrCollapseFunction::__toString — Returns a string representing the constructed collapse function

说明

public SolrCollapseFunction::__toString ( void ) : string

Returns a string representing the constructed collapse function

参数

此函数没有参数。

返回值