Utility code for LTI service handling. More...

Functions
	lti_accepts_grades ($ltiinstance)

	lti_delete_grade ($ltiinstance, $userid)

	lti_extend_lti_services ($data)
	Extend the LTI services through the ltisource plugins. More...

	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. More...

	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. More...

Detailed Description

Utility code for LTI service handling.

Functions