I have been trying to override the Random.php file and have looked at inchoo and another method here. When I do the change on the core file the change takes effect immediately, but when I created the override, the modification do not take effect.

I am trying to override /app/code/core/Mage/Catalog/Block/Product/List/Random.php. I have created /app/code/local/MyFolder/Catalog/Block/Product/List/Random.php (the modified file).

I have also changed the class name in my override file, to class MyFolder_Catalog_Block_Product_List_Random extends Mage_Catalog_Block_Product_List

I can't figure out how to properly modify app/etc/config.xml file? This is what I have so far.


OK it's now functioning.
Changed from:




Now I am not sure if there are any other places that needs updating?

1 Answer 1


Your rewrite path should be global/blocks/catalog/rewrite/product_list_random.

Also, you should not be making this entry in app/etc/config.xml, because this change will be lost in an upgrade. Better to register a new module in app/etc/modules and add this configuration directive to your module's config file.

  • Thanks for the reply. By registering you mean, create a file called MyFolder.xml in app/etc/module/? And adding this configuration means, adding the above: <config><blocks><catalog><rewrite><product_list_random>MyFolder_Catalog_Block_Product_List_Random</product_list_random</rewrite></catalog></blocks></config> to app/etc/module/MyFolder.xml? Kindly clarify. Jul 16, 2015 at 22:58
  • I did exactly as explained above, but I am NOT getting the changes! But as soon as I place the directives back in app/etc/config.xml it starts working again. Please let me know if I'm missing anything. Jul 16, 2015 at 23:05
  • 1
    Clear the configuration cache and see if it works. Also, the config directive should go in your module's config.xml file
    – benmarks
    Jul 16, 2015 at 23:15
  • Cleared all cache. No it is not happening for me. Yes, I do have the <config><blocks><catalog><rewrite><product_list_random>MyFolder_Catalog_Block_P‌​roduct_List_Random</product_list_random</rewrite></catalog></blocks></config> saved as MyFolder.xml in this folder -> app/etc/module/MyFolder.xml. Jul 16, 2015 at 23:51

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