COPPA has to be enabled if Extended User Fields are set to display on Signup Page

[martyshep]

Bug Description

If Extended User Fields are activated and set to display on Signup Page, then COPPA has to be enabled otherwise no Signup Page is displayed.

How to Reproduce

Steps to reproduce the behaviour:

1. Activate an Extended User Field such as 'Country'
2. Manage that Extended User Field and set it to display on Signup Page
3. Use another browser and go to your site and select Signup
4. No Signup Page is shown

Workaround

Enable use of COPPA, Signup Page now appears after selecting Yes to COPPA.

Server Information

PHP Operating System

Linux localhost 3.10.0-1160.76.1.el7.x86_64 #1 SMP Wed Aug 10 16:21:17 UTC 2022 x86_64

PHP Version

PHP Version 7.2.34

PHP Modules

bcmath
bz2
calendar
cgi-fcgi
Core
ctype
curl
date
dom
exif
fileinfo
filter
ftp
gd
gettext
hash
iconv
imagick
imap
intl
ionCube Loader
json
libxml
mbstring
mysqli
mysqlnd
openssl
pcntl
pcre
PDO
pdo_mysql
pdo_sqlite
Phar
posix
Reflection
session
SimpleXML
soap
sockets
SPL
sqlite3
standard
tokenizer
wddx
xml
xmlreader
xmlwriter
xsl
Zend OPcache
zip
zlib

Client Information

Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36

Additional Information

Add any other context about the problem here.

[Deltik]

The blank page is caused by a fatal error logged in the PHP error log:

[Sun Apr 16 05:17:36.192621 2023] [proxy_fcgi:error] [pid 37655:tid 140311615502080] [client 10.64.229.1:53196] AH01071: Got error 'PHP message: PHP Fatal error:  Uncaught TypeError: Cannot access offset of type string on string in /var/www/html/e107/e107_core/shortcodes/batch/signup_shortcodes.php:548
Stack trace:
#0 /var/www/html/e107/e107_handlers/shortcode_handler.php(1154): signup_shortcodes->sc_signup_extended_user_fields()
#1 [internal function]: e_parse_shortcode->doCode()
#2 /var/www/html/e107/e107_handlers/shortcode_handler.php(1020): preg_replace_callback()
#3 /var/www/html/e107/e107_handlers/e_parse_class.php(848): e_parse_shortcode->parseCodes()
#4 /var/www/html/e107/signup.php(658): e_parse->parseTemplate()
#5 {main}
  thrown in /var/www/html/e107/e107_core/shortcodes/batch/signup_shortcodes.php on line 548', referer: http://10.64.229.195/e107/

[Deltik]

#4993 should fix this bug.

[martyshep]

Thank you Deltik, #4993 does indeed fix it for me. No COPPA required now.