QuickBooks/QBXML/Object.php
public function getTimeModified($format = null)
	{
		if (!is_null($format))
		{
			return date($format, strtotime($this->get('TimeModified')));
		}
		
		return $this->get('TimeModified');
	}
public function getTimeModified($format = null)
	{
		if (!is_null($format))
		{
			return date($format, strtotime($this->get('TimeModified')));
		}
		
		return $this->get('TimeModified');
	}
Get the date/time when this object was last modified in QuickBooks

@param string $format		If you want the date/time in a particular format, specify the format here (use the notation from {@link http://www.php.net/date})
@return string