Phan\Analysis\PostOrderAnalysisVisitor::visitConst PHP Method

    public function visitConst(Node $node) : Context
    {
        try {
            $nameNode = $node->children['name'];
            // Based on UnionTypeVisitor::visitConst
            if ($nameNode->kind == \ast\AST_NAME) {
                if (defined($nameNode->children['name'])) {
                    // Do nothing, this is an internal type such as `true` or `\ast\AST_NAME`
                } else {
                    $constant = (new ContextNode($this->code_base, $this->context, $node))->getConst();
                    // Mark that this constant has been referenced from
                    // this context
                    $constant->addReference($this->context);
                }
            }
        } catch (IssueException $exception) {
            // We need to do this in order to check keys and (after the first 5) values in AST arrays.
            // Other parts of the AST may also not be covered.
            // (This issue may be a duplicate)
            Issue::maybeEmitInstance($this->code_base, $this->context, $exception->getIssueInstance());
        } catch (\Exception $exception) {
            // Swallow any other types of exceptions. We'll log the errors
            // elsewhere.
        }
        // Check to make sure we're doing something with the
        // constant
        $this->analyzeNoOp($node, Issue::NoopConstant);
        return $this->context;
    }