PHP 8.1 warnings #28
Description
Upon installing this plugin on a PHP 8.1 instance, I get these warnings:
Deprecated: trim(): Passing null to parameter #1 ($string) of type string is deprecated in /var/www/html/moodle/blocks/exacomp/lib/settings_helper.php on line 655
Deprecated: json_decode(): Passing null to parameter #1 ($json) of type string is deprecated in /var/www/html/moodle/blocks/exacomp/lib/settings_helper.php on line 659