I have used two template for homepage(template inside another template) I am calling product template inside category template. Now my case scenario is

1. I am declaring one array in category template

2. I want to pass this empty array to product template.

3. Add elements in that array in product template.

4. Pass the array back to category template.

How can i do that.

Let me know if there is any confusion.

  • 1
    You can add these templates inside one block and then you can write your logic in a single block class, You can access the function from both the templates.
    – Mitali
    Aug 6 '19 at 10:23
  • Can u give me example through code?
    – Nafsss
    Aug 6 '19 at 10:32
  • Can you tell me your templates rendering code So that I can have an idea what you actually want to do?
    – Mitali
    Aug 6 '19 at 10:36
  • Is there any way to access variable declared in one phtml file into another?
    – Nafsss
    Aug 6 '19 at 10:58

Try this it's worked for me.

<?php echo $this->getLayout()->createBlock("Magento\Framework\View\Element\Template")->setKey('test')->setTemplate("Vendor_Module::test.phtml")->toHtml(); ?>

to get value use

echo $this->getKey();

As per your actual requirement, in first phtml file add below code :


echo $this->getLayout()->createBlock("Vendor\Modulename\Block\Display")->setData('var1', $arr)->setTemplate("Vendor_Modulename::test2.phtml")->toHtml();

In second phtml i.e. test2.phtml add



foreach($catIds as $catId){ 

        foreach ($_productCollection as $_product){ 
                if (!in_array($currentId, $arr)){ 
                        echo $_product->getData("name");echo "<br/>"; 


In app/code/Vendor/Modulename/Block/Display.php add below code:

    protected $_productCollectionFactory;
    protected $_categoryFactory;

    public function __construct(
        \Magento\Catalog\Model\CategoryFactory $categoryFactory,
        \Magento\Framework\View\Element\Template\Context $context
    ) {
        $this->_categoryFactory = $categoryFactory;
        $this->_productCollectionFactory = $productCollectionFactory;
    public function setCustomValue($value) 
        $categoryId = $value; 
        $category = $this->_categoryFactory->create()->load($categoryId); 
        $collection = $this->_productCollectionFactory->create(); 
        $collection->addAttributeToFilter('visibility', \Magento\Catalog\Model\Product\Visibility::VISIBILITY_BOTH); 
        $collection->addAttributeToFilter('status', \Magento\Catalog\Model\Product\Attribute\Source\Status::STATUS_ENABLED); 
        return $collection; 
  • what if i want to fetch this value in another phtml?
    – Nafsss
    Aug 6 '19 at 11:44
  • To fetch value in phtml, use this code: print_r($block->getData("var1"));
    – Mona Mehta
    Aug 6 '19 at 11:49
  • Thanx. This worked. now how can i append more values in this array in other phtml itself. inshort how can i append in this $block->getData("var1")
    – Nafsss
    Aug 6 '19 at 11:59
  • Do you mean that you want to pass this value again to another phtml? If so, then you can directly pass the variable to required phtml
    – Mona Mehta
    Aug 6 '19 at 12:02
  • i want to append more elements in this array and then again pass this array back to the first phtml file
    – Nafsss
    Aug 6 '19 at 12:03

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