SolrDocument::getFieldCount
(PECL solr >= 0.9.2)
SolrDocument::getFieldCount — Returns the number of fields in this document
Description
public SolrDocument::getFieldCount ( ) : int
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.
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https://www.php.net/manual/en/solrdocument.getfieldcount.php