PHP 7.1.21 Released

SolrDocument::__isset

(PECL solr >= 0.9.2)

SolrDocument::__issetChecks if a field exists

说明

public bool SolrDocument::__isset ( string $fieldName )

Checks if a field exists

参数

fieldName

Name of the field.

返回值

成功时返回 TRUE, 或者在失败时返回 FALSE

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