SolrDocument
PHP Manual

SolrDocument::getFieldCount

(PECL solr >= 0.9.2)

SolrDocument::getFieldCount — Returns the number of fields in this document

Description

public int SolrDocument::getFieldCount ( void )

Returns the number of fields in this document. Multi-value fields are only counted once.

Parameters

This function has no parameters.

Return Values

Returns an integer on success and FALSE on failure.

SolrDocument
PHP Manual