Method demo

examples/demo.php:959–965

()

class StringInterpolationDemo
{
    public function demo(): void
    {
        $pen = new Pen('blue');
        echo "Ink is {$pen->color()}";             // brace interpolation — full completion
        echo "Tool: $pen->ink";                    // simple interpolation
        echo 'no $pen-> here';                     // single-quoted — suppressed
    }
}