magento 2 get product id on product page code example

Example 1: woocommerce get product id

global $product;
$product->get_id();

Example 2: magento load product by id

$productId = 20;
$product = Mage::getModel('catalog/product')->load($productId);

Example 3: Magento2: How to load product by id

<?php
namespace Test\Module\Block;

class Product extends \Magento\Framework\View\Element\Template
{

  protected $_productloader;  


  public function __construct(
        \Magento\Framework\View\Element\Template\Context $context,
        \Magento\Catalog\Model\ProductFactory $_productloader

    ) {


        $this->_productloader = $_productloader;
        parent::__construct($context);
    }
    public function getLoadProduct($id)
    {
        return $this->_productloader->create()->load($id);
    }

}

Example 4: magento 2 display product selected option in cart

$objectManager = \Magento\Framework\App\ObjectManager::getInstance();
$cart = $objectManager->get('\Magento\Checkout\Model\Cart'); 
 
// get cart items
$items = $cart->getItems();
 
// get custom options value of cart items
foreach ($items as $item) {
    $options = $item->getProduct()->getTypeInstance(true)->getOrderOptions($item->getProduct());
    $customOptions = $options['options'];
    if (!empty($customOptions)) {
        foreach ($customOptions as $option) {
            $optionTitle = $option['label'];
            $optionId = $option['option_id'];
            $optionType = $option['type'];
            $optionValue = $option['value'];
        }
    }
}