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Dieses Dokument verwendet PHP-Handbuch für chinesische Websites Freigeben
(PECL solr >= 0.9.2)
SolrDocument::valid — Checks if the current position internally is still valid
Checks if the current position internally is still valid. It is used during foreach operations.
此函数没有参数。
Returns TRUE
on success and FALSE
if the current position is no longer valid.