magento error creating a block

Question

I created a new module, in which I am creating a block by the following method in IndexController.php which is at app/code/local/Ashfame/Helloblock/controllers/IndexController.php

class Ashfame_Helloblock_IndexController extends Mage_Core_Controller_Front_Action {

    public function indexAction() {
        // this works fine
        $block = new Ashfame_Helloblock_Block_Helloblock();
        echo $block->toHtml();
    }

    public function layoutAction() {
        // this doesn't work
        $layout = Mage::getSingleton('core/layout');
        $block = $layout->createBlock('ashfame_helloblock/helloblock','root');
        var_dump( $block ); // this returns false
        echo $block->toHtml();
    }
}

My Block class is Ashfame_Helloblock_Block_Helloblock and is at app/code/local/Ashfame/Helloblock/Block/Helloblock.php

Since the $block in layoutAction() is false, PHP throws an error Call to a member function toHtml() on a non-object

On debugging I found that the magento is figuring out the class name wrong. It figure out the class name as mage_Ashfame_helloblock_block inside getGroupedClassName().

What's wrong here?

What does your app/code/local/Ashfame/Helloblock/etc/config.xml look like? — nachito
– nachito, Commented Apr 1, 2012 at 18:54
Good job tracing through the classname mapping. An explorer's heart is so important in Magento development. — benmarks
– benmarks, Commented Apr 1, 2012 at 20:49

nachito · Accepted Answer · 2012-04-01 18:58:04Z

2

I think the problem is in your configuration file. In app/code/local/Ashfame/Helloblock/etc/config.xml you should have:

<config>
  ...
  <global>
    ...
    <blocks>
        <ashfame_helloblock>
             <class>Ashfame_Helloblock_Block</class>
        </ashfame_helloblock>
    </blocks>
  </global>
</config>

answered Apr 1, 2012 at 18:58

nachito

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2 Comments

Ashfame Over a year ago

Thanks! That did it, just that <ashfame_helloblock> needs to be <Ashfame_Helloblock> for it to work :)

Ashfame Over a year ago

I take that comment back. Must have been something else at that time. This needs to be in lowercase as shown in the sample code block.

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