Legacy Key Sunsetting

I have refactored the original iSDK to use a customized version of PHPXMLRPC 4.10.3, and I’ve shared the file from my dropbox account.

Everything I tested worked, but I didn’t test everything. I did test on PHP 7.4 and 8.2 and had no errors.

https://www.dropbox.com/scl/fi/qgz413b96lsktkx8q0q9b/isdk-PAT-SAK-Compatible.zip?rlkey=hevuym6ea5v07worugiv1f7ly&st=oqaxu9qd&dl=0