QuickBooks/XML/Parser.php
public function load($xml_or_file)
	{
		$xml_or_file = $this->_read($xml_or_file);

		$this->_xml = $xml_or_file;
		return $this->_backend->load($xml_or_file);
	}
public function load($xml_or_file)
	{
		$xml_or_file = $this->_read($xml_or_file);

		$this->_xml = $xml_or_file;
		return $this->_backend->load($xml_or_file);
	}
Load the XML parser with data from a string or file

@param string $xml_or_file		An XML string or
@return integer