| Conditions | 6 | 
| Paths | 6 | 
| Total Lines | 13 | 
| Code Lines | 9 | 
| Lines | 0 | 
| Ratio | 0 % | 
| Changes | 1 | ||
| Bugs | 0 | Features | 0 | 
| 1 | <?php | ||
| 29 | public function getIterator(): Traversable | ||
| 30 |     { | ||
| 31 |         foreach ($this->iterables as $iterable) { | ||
| 32 |             if (!is_iterable($iterable)) { | ||
| 33 |                 throw new \InvalidArgumentException('All iterables must be iterable.'); | ||
| 34 | } | ||
| 35 |             if (true === $this->preserveKeys) { | ||
| 36 |                 foreach ($iterable as $key => $value) { | ||
| 37 | yield $key => $value; | ||
| 38 | } | ||
| 39 |             } else { | ||
| 40 |                 foreach ($iterable as $value) { | ||
| 41 | yield $value; | ||
| 42 | } | ||
| 55 |