MongoDB\Driver\Cursor::key
(mongodb >=1.9.0)
MongoDB\Driver\Cursor::key — Returns the current result's index within the cursor
说明
public MongoDB\Driver\Cursor::key(): int
参数
此函数没有参数。
返回值
The current result's numeric index within the cursor.
参见
- Iterator::key() - 返回当前元素的键
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