SolrCollapseFunction::__toString
(PECL solr >= 2.2.0)
SolrCollapseFunction::__toString — Returns a string representing the constructed collapse function
Description
public SolrCollapseFunction::__toString(): string
Returns a string representing the constructed collapse function
Parameters
This function has no parameters.
Return Values
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https://www.php.net/manual/en/solrcollapsefunction.tostring.php
