SolrDocument
PHP Manual

SolrDocument::fieldExists

(PECL solr >= 0.9.2)

SolrDocument::fieldExistsChecks if a field exists in the document

说明

public bool SolrDocument::fieldExists ( string $fieldName )

Checks 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.


SolrDocument
PHP Manual