Respect\Validation\Exceptions\NestedValidationException::getIterator PHP Method

    public function getIterator()
    {
        $childrenExceptions = new SplObjectStorage();
        $recursiveIteratorIterator = $this->getRecursiveIterator();
        $exceptionIterator = $recursiveIteratorIterator->getInnerIterator();
        $lastDepth = 0;
        $lastDepthOriginal = 0;
        $knownDepths = [];
        foreach ($recursiveIteratorIterator as $childException) {
            if ($childException instanceof self && $childException->getRelated()->count() > 0 && $childException->getRelated()->count() < 2) {
                continue;
            }
            $currentDepth = $lastDepth;
            $currentDepthOriginal = $recursiveIteratorIterator->getDepth() + 1;
            if (isset($knownDepths[$currentDepthOriginal])) {
                $currentDepth = $knownDepths[$currentDepthOriginal];
            } elseif ($currentDepthOriginal > $lastDepthOriginal && ($this->hasCustomTemplate() || $exceptionIterator->count() != 1)) {
                ++$currentDepth;
            }
            if (!isset($knownDepths[$currentDepthOriginal])) {
                $knownDepths[$currentDepthOriginal] = $currentDepth;
            }
            $lastDepth = $currentDepth;
            $lastDepthOriginal = $currentDepthOriginal;
            $childrenExceptions->attach($childException, ['depth' => $currentDepth, 'depth_original' => $currentDepthOriginal, 'previous_depth' => $lastDepth, 'previous_depth_original' => $lastDepthOriginal]);
        }
        return $childrenExceptions;
    }