Method demo

examples/demo.php:973–998

()

class CollectionForeachDemo
{
    public function demo(): void
    {
        $src = new ScaffoldingCollectionForeach();

        // From method return type
        foreach ($src->allPens() as $pen) {
            $pen->write();                // via method return type → collection generics
        }

        // From new instance
        $items = new PenCollection();
        foreach ($items as $item) {
            $item->color();               // resolves to Pen via @extends generics
        }

        // From property type
        foreach ($src->pens as $pen) {
            $pen->color();                // via property type → collection generics
        }

        // From variable
        $collection = $src->allPens();
        foreach ($collection as $pen) {
            $pen->write();                // via variable assignment scanning
        }
    }
}