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MongoDB\Driver\Cursor
Rewind the cursor to the first result

MongoDB\Driver\Cursor::rewind

(mongodb >=1.9.0)

MongoDB\Driver\Cursor::rewind — Rewind the cursor to the first result

說(shuō)明

public MongoDB\Driver\Cursor::rewind(): void

If the cursor has advanced beyond its first position, it can no longer be rewound.

參數

此函數沒(méi)有參數。

返回值

null.

錯誤／異常

Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
Throws MongoDB\Driver\Exception\ConnectionException if connection to the server fails (for reasons other than authentication).
Throws MongoDB\Driver\Exception\AuthenticationException if authentication is needed and fails.
Throws MongoDB\Driver\Exception\LogicException if this method is called after the cursor has advanced beyond its first position.

參見(jiàn)

Iterator::rewind() - 返回到迭代器的第一個(gè)元素

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