SolrDocument::offsetExists
(PECL solr >= 0.9.2)
SolrDocument::offsetExists — Checks if a particular field exists
说明
public SolrDocument::offsetExists
( string
$fieldName
) : boolChecks if a particular field exists. This is used when the object is treated as an array.
参数
-
fieldName
-
The name of the field.
返回值
成功时返回 TRUE
, 或者在失败时返回 FALSE
。