Undefined variable: si_captcha_opt

Notice: Undefined variable: si_captcha_opt in /Users/dbushaw/Sites/roundtable/wp-content/plugins/si-captcha-for-wordpress/si-captcha.php on line 1235
Notice: Undefined variable: si_captcha_opt in /Users/dbushaw/Sites/roundtable/wp-content/plugins/si-captcha-for-wordpress/si-captcha.php on line 1243
Notice: Undefined variable: si_captcha_opt in /Users/dbushaw/Sites/roundtable/wp-content/plugins/si-captcha-for-wordpress/si-captcha.php on line 1255
Notice: Undefined variable: si_captcha_opt in /Users/dbushaw/Sites/roundtable/wp-content/plugins/si-captcha-for-wordpress/si-captcha.php on line 1272
Notice: Undefined variable: si_captcha_opt in /Users/dbushaw/Sites/roundtable/wp-content/plugins/si-captcha-for-wordpress/si-captcha.php on line 1280

Fix: before each call to $si_captcha_opt[‘si_captcha_login’] add isset($si_captcha_opt[‘si_captcha_login’]) && .

e.g.

if ( $si_captcha_opt[‘si_captcha_login’] == ‘true’) {
becomes
if ( isset($si_captcha_opt[‘si_captcha_login’]) && $si_captcha_opt[‘si_captcha_login’] == ‘true’) {

https://www.ads-software.com/extend/plugins/si-captcha-for-wordpress/