Magento 2.3 - How to pass array from controller to template

Question

I am working on a custom module. I am getting array of attribute values in my custom controller and I want to pass these values in my template to list in a select dropdown. Please provide a solution -

Controller -

<?php

namespace Vendor\Module\Controller\Index;

class Index extends \Magento\Framework\App\Action\Action
{
    protected $_productCollectionFactory;

    public function __construct(
        \Magento\Framework\App\Action\Context $context,
        \Magento\Catalog\Model\ResourceModel\Product\CollectionFactory $productCollectionFactory
    ) {
        $this->_productCollectionFactory = $productCollectionFactory;
        parent::__construct($context);
    }

    public function execute()
    {
        $Urlparam =  $this->getRequest()->getParam('make');
        echo $Urlparam;
        $objectManager =  \Magento\Framework\App\ObjectManager::getInstance();
        $collection = $this->_productCollectionFactory->create();
        $collection->addAttributeToSelect('id');
        $collection->addAttributeToSelect('model');
        $collection->addAttributeToSelect('status');
        $collection->addAttributeToFilter('status',1);
        $collection->addAttributeToFilter('make',5711);
        //$count =0;
        $modelValues[] = "";
        foreach ($collection as $product) {
            $modelValue = $product->getAttributeText("model");;
            if ((in_array($modelValue,$modelValues)) == false) {
                $modelValues[] = $modelValue;
            }
        }
    }
}

Block file -

<?php

namespace Vendor\Module\Block;

class Vendor extends \Magento\Framework\View\Element\Template
{
    protected $_productCollectionFactory;

    public function __construct(
        \Magento\Backend\Block\Template\Context $context,
        \Magento\Catalog\Model\ResourceModel\Product\CollectionFactory $productCollectionFactory,
        array $data = []
    ) {
        $this->_productCollectionFactory = $productCollectionFactory;
        parent::__construct($context, $data);
    }

    public function getProductCollection()
    {
        $collection = $this->_productCollectionFactory->create();
        $collection->addAttributeToSelect('id');
        $collection->addAttributeToSelect('make');
        $collection->addAttributeToSelect('status');
        $collection->addAttributeToFilter('status',1);

        return $collection;
    }
}

Template file -

<select class="select-model">
    <option>Select Model</option> 
</select>

I am new to this concept. Please provide a solution for how to show the array from the controller in phtml select option.

Dhaduk Mitesh · Accepted Answer · 2019-11-07 14:43:14Z

0

You can use Registry \Magento\Framework\Registry you can pass the parameters from the controller to Block. At 2.3, Registry is deprecated but still, you can use.

Inject the registry class to your controller class __construct

public function __construct(
    \Magento\Framework\App\Action\Context $context,
    \Magento\Catalog\Model\ResourceModel\Product\CollectionFactory $productCollectionFactory,
    \Magento\Framework\Registry $registry
) {
    $this->_productCollectionFactory = $productCollectionFactory;
    $this->registry =  $registry;
    parent::__construct($context);
}

$modelValue to registry a variable. Add below code after for each loop of at your controller's execute() method.

if ($this->registry->registry('makes_info')) {
    $this->registry->unregister('makes_info');
}
// set value to registry variable  makes_info
$this->registry->register('makes_info', $modelValues);

After that Inject the registry class to your Block class __construct

At same way and

After that access that registry variable below way

if ($this->registry->registry('makes_info')) {
    $makes_info = $this->registry->registry('makes_info');
}

edited Nov 7, 2019 at 14:43

Dhaduk Mitesh

1,6951 gold badge13 silver badges29 bronze badges

answered Nov 7, 2019 at 7:48

Amit Bera♦

77.8k21 gold badges127 silver badges240 bronze badges

please provide detailed solution. As how to implement in controller and template.

chanchal
– chanchal

2019-11-07 07:59:11 +00:00
Commented Nov 7, 2019 at 7:59
and how to get that in tempalte file select option?

chanchal
– chanchal

2019-11-07 08:48:00 +00:00
Commented Nov 7, 2019 at 8:48
$block->getRequest()->getParam('make') is same as $Urlparam = $this->getRequest()->getParam('make'); at phtml

Amit Bera
– Amit Bera ♦

2019-11-07 09:06:38 +00:00
Commented Nov 7, 2019 at 9:06

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