Webmozart\Expression\Traversal\ExpressionTraverser::traverseDisjunction PHP Method

    private function traverseDisjunction(OrX $expr)
    {
        $disjuncts1 = $expr->getDisjuncts();
        $disjuncts2 = array();
        foreach ($disjuncts1 as $disjunct) {
            if ($disjunct = $this->traverse($disjunct)) {
                $disjuncts2[] = $disjunct;
            }
        }
        if ($disjuncts1 === $disjuncts2) {
            return $expr;
        }
        return $disjuncts2 ? new OrX($disjuncts2) : null;
    }