在线文档教程
PHP
Solr

SolrDocument::__isset

SolrDocument::__isset

(PECL solr >= 0.9.2)

SolrDocument::__isset — Checks if a field exists

Description

public bool SolrDocument::__isset ( string $fieldName )

Checks if a field exists

Parameters

fieldName

Name of the field.

Return Values

Returns TRUE on success or FALSE on failure.

← SolrDocument::hasChildDocuments

SolrDocument::key →

© 1997–2017 The PHP Documentation Group

Licensed under the Creative Commons Attribution License v3.0 or later.

https://secure.php.net/manual/en/solrdocument.isset.php