Magento Developer Essentials

What is the purpose of the registration.php file?

How do you set the MAGE_MODE mode to be “production”?

You need to render a product attribute’s raw value as a variable in a script tag. This value will be used to initialize the JavaScript component on the frontend.

You need to add a new column to the sales_shipment and the sales_shipment_grid tables. Other than utilizing the default addColumn methods, what way is automatic?

In order to display a custom design on a category landing page for a set number of days, you need to make a change to the ___ area of Magento.

Which of the following is a native frontend layout handle in Magento?

“You want to add the file “somescript.js” in a template. The JavaScript file is in the folder “root: js/lib”. Which piece of code should you use?

Which XML layout handle is used to assign layout configurations to all pages of a store?

You have added some HTML to a custom template located at template/mytemplates/custom.phtml. Which code snippet is the correct way to create a block for custom.phtml in the layout XML?

You are making some changes to your existing action controller. How do you fix the error?

In your PHTML template file, you need to output a URL inside a JavaScript context. var url = '<?= /* code here */ ?>'; Which method allows you to keep the output XSS-safe?

There is a custom extension called MyCompany_MyModule. It has the following layout customization declared in MyCompany/MyModule/view/frontend/layout/default.xml:

<referenceContainer name=”content”> 
    <block class=”Magento\Framework\View\Element\Template” 
                 name=”my.block” 
                 template=”MyCompany_MyModule::my_template.phtml” 
                 cacheable=”false”/>
</referenceContainer> 

What will be the result of the customization?

What interface should a frontend controller action class implement?

You see this code in the etc/adminhtml/routes.xml file:

<route id="mymodule" frontName="user-subscriptions">
    <module name="MyCompany_MyModule" />
</route>

You have placed a controller in Controller/Index/Subscribe.php. If you want to create layout XML instructions for this controller, what would the layout XML filename be?

How do you instruct Magento to enable a new module?

You are updating a module to add functionality to the Magento application. Where would Magento look for modules?

How do you instruct Magento to clear the Block HTML cache?

How to ensure that a PHP class is a Model class of an entity?

You have created a custom theme called my_theme within the default package and want to override the native template file page/1column.phtml. You will need to place the file in the following structure:

Which of the following is the correct code for assigning a custom template file using layout XML?