dumpScalar example

    public function dump(DumperInterface $dumper)
    {
        $refs = [0];
        $cursor = new Cursor();
        $cursor->hashType = -1;
        $cursor->attr = $this->context[SourceContextProvider::class] ?? [];
        $label = $this->context['label'] ?? '';

        if ($cursor->attr || '' !== $label) {
            $dumper->dumpScalar($cursor, 'label', $label);
        }
        $cursor->hashType = 0;
        $this->dumpItem($dumper, $cursor, $refs, $this->data[$this->position][$this->key]);
    }

    /** * Depth-first dumping of items. * * @param mixed $item A Stub object or the original value being dumped */
    private function dumpItem(DumperInterface $dumper, Cursor $cursor, array &$refs, mixed $item): void
    {

    public function dump(DumperInterface $dumper)
    {
        $refs = [0];
        $cursor = new Cursor();
        $cursor->hashType = -1;
        $cursor->attr = $this->context[SourceContextProvider::class] ?? [];
        $label = $this->context['label'] ?? '';

        if ($cursor->attr || '' !== $label) {
            $dumper->dumpScalar($cursor, 'label', $label);
        }
        $cursor->hashType = 0;
        $this->dumpItem($dumper, $cursor, $refs, $this->data[$this->position][$this->key]);
    }

    /** * Depth-first dumping of items. * * @param mixed $item A Stub object or the original value being dumped */
    private function dumpItem(DumperInterface $dumper, Cursor $cursor, array &$refs, mixed $item): void
    {