support new Form and Utf8\PhpString class methods

splitbrain / dokuwiki-plugin-captcha

Use a CAPTCHA challenge to protect DokuWiki against automated spam

http://www.dokuwiki.org/plugin:captcha

GNU General Public License v2.0

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Closed ssahara closed 2 years ago

ssahara commented 3 years ago

This PR will make the Captcha plugin compatible with DokuWiki snapshot 2020-10-13 or later that #3198 merged.

support new events: FORM_EDIT_OUTPUT, FORM_REGISTER_OUTPUT, FORM_RESENDPWD_OUTPUT
use Utf8\PhpString::strtolower() instead of deprecated utf8_strtolower() function

This PR will fix curly brace for string offset deprecated in PHP 7.4, see also #109 that fixes same issue in wav.php file