servicelib.php File Reference

Functions
	lti_accepts_grades ($ltiinstance)
	lti_delete_grade ($ltiinstance, $userid)
	lti_extend_lti_services ($data)
	Extend the LTI services through the ltisource plugins.
	lti_get_response_xml ($codemajor, $description, $messageref, $messagetype)
	lti_parse_grade_delete_message ($xml)
	lti_parse_grade_read_message ($xml)
	lti_parse_grade_replace_message ($xml)
	lti_parse_message_id ($xml)
	lti_read_grade ($ltiinstance, $userid)
	lti_set_session_user ($userid)
	Set the passed user ID to the session user.
	lti_update_grade ($ltiinstance, $userid, $launchid, $gradeval)
	lti_verify_message ($key, $sharedsecrets, $body, $headers=null)
	lti_verify_sourcedid ($ltiinstance, $parsed)
	Validate source ID from external request.

Variables
const	LTI_ITEM_MODULE 'lti'
const	LTI_ITEM_TYPE 'mod'
const	LTI_SOURCE 'mod/lti'