app/code/local/Aoe/Layout/Model/Layout.php
protected function checkConditionals(Mage_Core_Model_Layout_Element $node, $aclDefault = true)
    {
        return $this->checkConfigConditional($node)
               && ($aclDefault ? $this->checkAclConditional($node, $aclDefault) : !$this->checkAclConditional($node, $aclDefault))
               && $this->checkHelperConditional($node);
    }
protected function checkConditionals(Mage_Core_Model_Layout_Element $node, $aclDefault = true)
    {
        return $this->checkConfigConditional($node)
               && ($aclDefault ? $this->checkAclConditional($node, $aclDefault) : !$this->checkAclConditional($node, $aclDefault))
               && $this->checkHelperConditional($node);
    }
protected function checkConditionals ( Mage_Core_Model_Layout_Element $ node , $ aclDefault = true ) { return $ this -> checkConfigConditional ( $ node ) && ( $ aclDefault ? $ this -> checkAclConditional ( $ node , $ aclDefault ) : ! $ this -> checkAclConditional ( $ node , $ aclDefault ) ) && $ this -> checkHelperConditional ( $ node ) ; }
Checks all conditionals for a given layout node

@param Mage_Core_Model_Layout_Element $node
@param bool $aclDefault

@return bool
Checks all conditionals for a given layout node