SolrDocument
PHP Manual

SolrDocument::__isset

(PECL solr >= 0.9.2)

SolrDocument::__issetChecks if a field exists

説明

public bool SolrDocument::__isset ( string $fieldName )

Checks if a field exists

パラメータ

fieldName

Name of the field.

返り値

Returns TRUE on success and FALSE on failure.


SolrDocument
PHP Manual