# LimitIterator::key

(PHP 5 >= 5.1.0, PHP 7, PHP 8)

LimitIterator::key — Get current key

### 说明

public LimitIterator::key(): mixed

Gets the key for the current item in the inner Iterator.

### 参数

此函数没有参数。

### 返回值

Returns the key for the current item.

### 参见

- LimitIterator::getPosition() - Return the current position
- LimitIterator::current() - Get current element
- LimitIterator::next() - Move the iterator forward
- LimitIterator::rewind() - Rewind the iterator to the specified starting offset
- LimitIterator::seek() - Seek to the given position
- LimitIterator::valid() - Check whether the current element is valid

`↑` and `↓` to navigate • `Enter` to select • `Esc` to close • `/` to open