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

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