Php/docs/solrdocument.offsetexists
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SolrDocument::offsetExists
(PECL solr >= 0.9.2)
SolrDocument::offsetExists — Checks if a particular field exists
说明
public SolrDocument::offsetExists
( string $fieldName
) : bool
Checks 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
。