Errors with Search Regex when upgrading to PHP 8.0

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We were testing the upgrade for PHP 8.0 and it is giving the following errors. Do you have a patch/fix for this yet?

PHP Parse error: syntax error, unexpected token "::", expecting "(" in /nas/content/live/n1outdoors/wp-content/plugins/search-regex/models/search.php on line 322 3:40 pm PHP Fatal error: Uncaught Error: Call to a member function calculate_totals() on null in /nas/content/live/n1outdoors/wp-content/plugins/woocommerce-woocartpro/common/WooCartFrontendFestiPlugin.php:233\nStack trace:\n#0 /nas/content/live/n1outdoors/wp-includes/class-wp-hook.php(307): WooCartFrontendFestiPlugin->onCalculateCartTotalsAction(Object(WP))\n#1 /nas/content/live/n1outdoors/wp-includes/class-wp-hook.php(331): WP_Hook->apply_filters(Object(SCHEMA_JSON_LD_Breadcrumbs), Array)\n#2 /nas/content/live/n1outdoors/wp-includes/plugin.php(522): WP_Hook->do_action(Array)\n#3 /nas/content/live/n1outdoors/wp-includes/class-wp.php(771): do_action_ref_array('wp', Array)\n#4 /nas/content/live/n1outdoors/wp-includes/functions. php(1310): WP->main('')\n#5 /nas/content/live/n1outdoors/wp-blog-header.php(16): wp()\n#6 /nas/content/live/n1outdoors/index.php(17): require('/nas/content/li...')\n#7 {main}\n thrown in /nas/content/live/n1outdoors/wp-content/plugins/woocommerce-woocartpro/common/WooCartFrontendFestiPlugin.php on line 233

Explain what you are trying to do. If you want to suggest a new feature then explain what you want it to do

Actual Behavior

I was copying N1outdoors.com to a staging environment at host. It gave these errors.

Steps to reproduce

See above

Environment

Please list your browser, browser version, version of WordPress and Search Regex plugin. Google Chrome; Wordpress version is 5.9.... Search Regex plugin is version 2.4.1

johngodley / search-regex