Pull Request resolves:

Deprecated: base64_decode(): Passing null to parameter #1 ($string) of type string is deprecated in [Root]/plugins/captcha/powcaptcha/src/Provider/POWCaptchaProvider.php on line 127

• I read the Generative AI policy and my contribution is either not created with the help of AI or is compatible with the policy and GNU/GPL 2 or later.

Summary of Changes

Add a not empty check on the input $code variable and return early with false if empty.

Testing Instructions

Check if pow captcha still works.

Actual result BEFORE applying this Pull Request

Worked but if no code was provided, deprecation message is shown, not easily possible to replicate with a working system. Validation needs to be disabled and answer need to be empty/not calculated.

Expected result AFTER applying this Pull Request

Works as before and if no code provided now deprecation message shown.

Link to documentations

Please select:

• Documentation link for guide.joomla.org:

• No documentation changes for guide.joomla.org needed

• Pull Request link for manual.joomla.org:

• No documentation changes for manual.joomla.org needed