文字
SolrDocument::valid
(PECL solr >= 0.9.2)
SolrDocument::valid — Checks if the current position internally is still valid
说明
public bool SolrDocument::valid
( void
)
Checks if the current position internally is still valid. It is used during foreach operations.
参数
此函数没有参数。
返回值
Returns TRUE on success and FALSE if the current position is no longer valid.