Namespace PHP
| ArrayIterator | |
| Closure | |
| ReflectionClass | |
| ReflectionFunction | |
| ReflectionFunctionAbstract | |
| SplFileInfo | |
| SplFileObject |
| ArrayAccess | |
| Countable | |
| Iterator | |
| IteratorAggregate | |
| RecursiveIterator | |
| Reflector | |
| SeekableIterator | |
| Serializable | |
| Traversable |
| Exception |