All the setup/teardown/pre/post/conditions template methods
now are required to return void. This was warned with phpunit 7
and now is enforced.
At the same time, fix a few wrong function names,
provider data and param types, return statements...
Returns all content items which are provided by the plugin, irrespective
of whether or not a user can see an item in a particular course. This is
used to generate a global list of content items, allowing for admin
level features to be added.
The typeid=0 is a valid and common value representing "Automatic, based
on launch URL" type. In that case, no record in the lti_types table is
found. Thence attempting to access its toolproxyid property used to
throw PHP notice.
Eloy Lafuente (stronk7)