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- MongoDB
- MongoDB\Driver
- MongoDB\Driver\Cursor
MongoDB\Driver\Cursor::valid
(mongodb >=1.9.0)
MongoDB\Driver\Cursor::valid — Checks if the current position in the cursor is valid
说明
public MongoDB\Driver\Cursor::valid(): bool参数
此函数没有参数。
返回值
true if the current cursor position is valid, false otherwise.
参见
- Iterator::valid() - 检查当前位置是否有效
User Contributed Notes
There are no user contributed notes for this page.官方地址：https://www.php.net/manual/en/mongodb-driver-cursor.valid.php