Interface Traversable

Direct known implementers

ArrayIterator, Iterator, IteratorAggregate, IteratorIterator, OuterIterator, PDOStatement, RecursiveIterator, SeekableIterator, SplObjectStorage

Indirect known implementers

CachingIterator, FilterIterator, NNCallbackFilterIterator, NNRecursiveCallbackFilterIterator, NRouteList, NRow, NRules, NSessionSection, NSmartCachingIterator, NStatement, NTableRow, NTableSelection, NArrayHash, RecursiveArrayIterator, NArrayList, NFinder, NGenericRecursiveIterator, NGroupedTableSelection, NHtml, NInstanceFilterIterator, NMapIterator

PHP Extension: Core
Documented at php.net