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Submission validity

• This is not a personal support request, that should be posted on discussions community.
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Summary

Since YOURLS 1.7 as per documentation, the software automatically encrypts passwords.
This is not true (of course) for the user provided by environment variables (e.g. Docker).

Motivation

Just an annoying little error that does not cause any harm but still, it's an error which is actually not true.

Describe the solution

Check if the array contains only one element (the usual case when providing YOURLS_USER via environment variable) and if true check if the YOURLS_USER and YOURLS_PASS variables are set from environment, in case both checks are true do not even bother to call the function that tries to encrypt the password.

Maybe, just a quick, dirty solution (first that came in my mind, feel free to propose / do something else).
Thanks!