Namespace PHP
| ArrayObject | |
| FilterIterator | |
| IteratorIterator | |
| SplFileInfo |
| ArrayAccess | |
| Countable | |
| Iterator | |
| IteratorAggregate | |
| OuterIterator | |
| Serializable | |
| Traversable |
| BadFunctionCallException | |
| BadMethodCallException | |
| Exception | |
| InvalidArgumentException | |
| LogicException | |
| OutOfBoundsException | |
| RuntimeException | |
| UnexpectedValueException |