Php/docs/mongodb-driver-cursor.rewind

• PHP Manual
• 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

说明

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

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

参数

此函数没有参数。

返回值

null.

错误／异常

• 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.

参见

• Iterator::rewind() - 返回到迭代器的第一个元素