1EdTech / LTI-Tool-Provider-Library-PHP

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Make tool_consumer_instance_guid optional #47

Open mdjnelson opened 6 years ago

mdjnelson commented 6 years ago

In the specification, tool_consumer_instance_guid is only listed as recommended. https://www.imsglobal.org/specs/ltiv2p0/implementation-guide#toc-42 - however the library was requiring it.