Php/docs/iteratoriterator.key

• PHP Manual
• IteratorIterator
• Get the key of the current element

IteratorIterator::key

(PHP 5 >= 5.1.0, PHP 7)

IteratorIterator::key — Get the key of the current element

Description

public IteratorIterator::key ( ) : mixed

Get the key of the current element.

Parameters

This function has no parameters.

Return Values

The key of the current element.

See Also

• IteratorIterator::current() - Get the current value