Untitled

<body>
 <referenceContainer name="product.info.social">
  <block class="MagentoFrameworkViewElementTemplate" name="product.info.custom" template="Lapisbard_Product::social.phtml" after="product.info.addtocart">
  </block>
 </referenceContainer>
</body>

<p>Hey there !</p>
<?php //$_product = $block->getProduct();

<?php

namespace TestCatalogBlockProductView;

use MagentoCatalogBlockProductAbstractProduct;

class Extra extends AbstractProduct
{

}

<?xml version="1.0"?>
<body>
    <referenceContainer name="product.info.social">
        <block class="TestCatalogBlockProductViewExtra"
            name="product.view.extra"
            template="Test_Catalog::product/view/extra.phtml"
            after="-">
        </block>
    </referenceContainer>
</body>

<?php /* @var $block TestCatalogBlockProductViewExtra */?>
<?php $_product = $block->getProduct() ?>
<h3><?php echo 'My Product Name Is: ' . $_product->getName(); ?></h3>

public function getSomething()
{
    return 'something'
}

<?php echo $block->getSomething() ?>

/**
 * Class AbstractProduct
 * @api
 * @deprecated 101.1.0
 * @SuppressWarnings(PHPMD.NumberOfChildren)
 * @SuppressWarnings(PHPMD.CouplingBetweenObjects)
 * @since 100.0.2
 */
class AbstractProduct extends MagentoFrameworkViewElementTemplate

<?php
namespace VendorModuleBlock;

use MagentoFrameworkViewElementTemplate;
use MagentoFrameworkRegistry;

class ProductView extends Template
{
    /**
     * @var Registry
     */
    protected $registry;

    /**
     * @var MagentoCatalogModelProduct
     */
    protected $product;

    /**
     * ProductView constructor.
     * @param TemplateContext $context
     * @param array $data
     * @param Registry $registry
     */
    public function __construct(
        TemplateContext $context,
        array $data = [],
        Registry $registry
    )
    {
        $this->registry = $registry;
        parent::__construct($context, $data);
    }

    /**
     * @return MagentoCatalogModelProduct
     */
    public function getProduct()
    {
        if (is_null($this->product)) {
            $this->product = $this->registry->registry('product');
        }

        return $this->product;
    }
}