php教程

SolrDocument::fieldExists

(PECL solr >= 0.9.2)

SolrDocument::fieldExistsChecks if a field exists in the document

说明

public SolrDocument::fieldExists ( string $fieldName ) : bool

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.

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