I just started at developing extensions for Magento and trying to create a simple module that alert when the main page load.

So I created an extension in app/code/local/namespace/mymodule and PopupBlock.php file in block folder:

<?php die("1"); 
    class Michael_Popup_Block extends Mage_Core_Block_Template{
        protected function _construct()

Also, in my etc/config.xml:

<?xml version="1.0" encoding="utf-8" ?>

Why my block didn't load? how tell magento to load my block?
Thanks a lot!


The class name you give for blocks looks incorrect. Going by your file system path, it looks like your class needs to be defined as:


Then when you are trying to load the block, it would be done as 'popup/popup'

The class name given for the actual class should reflect this as: Michael_Popup_Block_Popup and be saved in the Blocks/Popup.php file.

| improve this answer | |
  • Then when you are trying to load the block, it would be done as 'popup/popup'" do you mean in layout files? I want that my block load automatically... in any magento page... Do you understand what I mean? BTW: I edit my Question according your answer... thanks. – Michael May 17 '15 at 12:29
  • Yes the block type would become that in layout files. As to loading automatically on any page, you'll need to ensure you put it into a layout point that will be loaded across all pages. Likely under <default> – John Cuthbert May 17 '15 at 12:37
  • but I want to create an extension that not need to add any line in template file for install it. I create this extension for non-programmers guys. how it should work? maybe I'm mistake in my approach.. – Michael May 17 '15 at 12:52
  • In your extension you should declare an layout update file which will enable you to add the block to layout handles as needed. – John Cuthbert May 17 '15 at 15:28
  • in layout.xml should be in design directory right? in default package in default theme...? – Michael May 17 '15 at 18:23

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