# MongoDB\BSON\Document::getIterator

(mongodb >=1.16.0)

MongoDB\BSON\Document::getIterator — Returns an iterator for the BSON document

### 说明

final public MongoDB\BSON\Document::getIterator(): MongoDB\BSON\Iterator

### 参数

此函数没有参数。

### 返回值

Returns a MongoDB\BSON\Iterator instance that can be used to iterate over all keys in the document.

### 错误／异常

- Throws MongoDB\Driver\Exception\InvalidArgumentException on argument parsing errors.
- Throws MongoDB\Driver\Exception\UnexpectedValueException if the BSON iterator could not be initialized.

### 参见

- » BSON Types

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