Interface Traversable

Direct known implementers

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

Indirect known implementers

ArrayHash, ArrayList, NCallbackFilterIterator, NRecursiveCallbackFilterIterator, RecursiveArrayIterator, RouteList, Row, Rules, SessionSection, SmartCachingIterator, Statement, TableRow, CachingIterator, TableSelection, FilterIterator, Finder, GenericRecursiveIterator, GroupedTableSelection, Html, InstanceFilterIterator, MapIterator

PHP Extension: Core
Documented at php.net