QuickBooks/QBXML/Object.php
public function remove($key)
	{
		if (isset($this->_object[$key]))
		{
			unset($this->_object[$key]);
			return true;
		}
		
		return false;
	}
public function remove($key)
	{
		if (isset($this->_object[$key]))
		{
			unset($this->_object[$key]);
			return true;
		}
		
		return false;
	}
Removes a key from this object

@param string $key
@return boolean