Admin externalpage class for using callbacks to determine access

Ensure $CFG->dirroot/local is writeable by webserver (so we can install example plugin) Login as admin Navigate to Plugins > Install plugins in site administration Upload local_mdl69825.zip and press Install plugin from the ZIP file Finish installation Press on Site administation Confirm you see a new setting " MDL-69825 Test" Click on MDL-69825 Test Confirm you see the message You can access it Create a new user Navigate to Users > Permissions > Site administrators in site administration Make your new user a site administrator Log out Log in as new user Press on Site administration Confirm you don't see a new setting " MDL-69825 Test" Manually navigate to $CFG->wwwroot/local/mdl69825/index.php Confirm you get an access denied error