Magento 2: how to load product from category id

February 6, 2020at 6:03 am | Author : arpit kumar | Category : Magento, Magento 2 | : Thumbtack

In this tutorial we learn how to load product by category id.
For that we use \Magento\Catalog\Model\CategoryFactory.

Below is block file where we put our code.

&lt;?php
namespace Arpitk\Productbycategory\Block;
class Productbycategory extends \Magento\Framework\View\Element\Template
{    
    protected $_categoryFactory;
        
    public function __construct(
        \Magento\Backend\Block\Template\Context $context,        
        \Magento\Catalog\Model\CategoryFactory $categoryFactory,
        array $data = &#91;]
    )
    {    
        $this->_categoryFactory = $categoryFactory;
        parent::__construct($context, $data);
    }

    public function getCategoryProducts($categoryId) 
    {
	$data = $this->_categoryFactory->create();
        $data->load($categoryId);
        $products = $data->getProductCollection();
        $products->addAttributeToSelect('*');
        return $products;
    }
}
?>

<?php

namespace Arpitk\Productbycategory\Block;

class Productbycategory extends \Magento\Framework\View\Element\Template

{

protected $_categoryFactory;

public function __construct(

\Magento\Backend\Block\Template\Context $context,

\Magento\Catalog\Model\CategoryFactory $categoryFactory,

array $data = []

)

{

$this->_categoryFactory = $categoryFactory;

parent::__construct($context, $data);

}

public function getCategoryProducts($categoryId)

{

$data = $this->_categoryFactory->create();

$data->load($categoryId);

$products = $data->getProductCollection();

$products->addAttributeToSelect('*');

return $products;

}

Now add below code to related .phtml file.

$categoryId = 4;
$categoryProducts = $block->getCategoryProducts($categoryId);
foreach ($categoryProducts as $product) {
    //print_r($product->getData());
    echo $product->getName();
}

$categoryId = 4;

$categoryProducts = $block->getCategoryProducts($categoryId);

foreach ($categoryProducts as $product) {

//print_r($product->getData());

echo $product->getName();

}

Magento 2 tutorial

Magento 2: how to load product from category id

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A nice attention grabbing header!