Programmatically remove block from layout

Question

I want to remove the product_options_wrapper block from the product view page according to the logedin user via frontend router controller.

I know that I can program

Answer 1

This should work:

    $blockName = 'left'; // Add yours
    $update = Mage::app()->getLayout()->getUpdate();
    $removeInstruction = "";
    $update->addUpdate($removeInstruction);

Why? Have a look in the file Mage_Core_Model_Layout in the method generateXml() the XML is parsed and where a remove is set for a block, the attribute ignore is added to the block. In the method generateBlocks() all the blocks which have that attribute are not added.