Clean method override

blockuserinfo.php

<?php

if (!defined('_PS_VERSION_'))
	exit;

class BlockUserInfoOverride extends BlockUserInfo
{
	public function hookDisplayTop($params)
	{
		$this->smarty->assign(array(
            		'company_name' => ($this->context->customer->logged ? $this->context->customer->company : false),
            	);

		return parent::hookDisplayTop($params);
	}
}