Php/docs/solrdocument.valid
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SolrDocument::valid
(PECL solr >= 0.9.2)
SolrDocument::valid — Checks if the current position internally is still valid
说明
public SolrDocument::valid ( ) : bool
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if the current position is no longer valid.