SolrDocument::fieldExists
(PECL solr >= 0.9.2)
SolrDocument::fieldExists — Checks if a field exists in the document
说明
public SolrDocument::fieldExists
( string
$fieldName
) : boolChecks if the requested field as a valid fieldname in the document.
参数
-
fieldName -
The name of the field.
返回值
Returns TRUE if the field is present and FALSE if it does not.