SolrCollapseFunction::__toString

(PECL solr >= 2.2.0)

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

說明

public SolrCollapseFunction::__toString(): string

Returns a string representing the constructed collapse function

參數(shù)

此函數(shù)沒有參數(shù)。

返回值