PHP - Manual: MongoCommandCursor::valid
2025-10-31
(PECL mongo >=1.5.0)
MongoCommandCursor::valid — Checks if the cursor is reading a valid result
此函数没有参数。
   TRUE if the current result is not null, and FALSE otherwise.
  
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  官方地址:https://www.php.net/manual/en/mongocommandcursor.valid.php