在线文档教程
PHP
Solr

SolrDocument::offsetExists

SolrDocument::offsetExists

(PECL solr >= 0.9.2)

SolrDocument::offsetExists — Checks if a particular field exists

Description

public bool SolrDocument::offsetExists ( string $fieldName )

Checks if a particular field exists. This is used when the object is treated as an array.

Parameters

fieldName

The name of the field.

Return Values

Returns TRUE on success or FALSE on failure.

← SolrDocument::next

SolrDocument::offsetGet →

© 1997–2017 The PHP Documentation Group

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

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