this breaks code snippets pro - if either line 12 or 38 is removed, the snippet will save. But if both lines are present, an error is returned when saving: "Could not update snippet. Request failed with status code 418" - as of code_snippets_version: 3.5.1

this-breaks-csp.php

if(!class_exists('WPOptionsViewPage')) {
    class WPOptionsViewPage {
        public function __construct() {
        }

        public function add_submenu_page() {

        }

        public function display_options_page() {
            global $wpdb;
            $options = $wpdb->get_results("SELECT * FROM {$wpdb->options} ORDER BY option_name ASC");



            foreach($options as $option) {

            }

            echo '</ul></div>';
        }

        private function _iterate_data($data, $depth = 1) {
        }
    }

    new WPOptionsViewPage();

    add_action('admin_footer', 'wp_options_page_javascript');

    function wp_options_page_javascript() {
        echo '
        <style>
            .option-value { display: none; }
        </style>
        <script>                
            (function($) {
                $(document).ready(function() {});
            })(jQuery);
        </script>
		';
    }
}

@brandonjp do you happen to use some sort of security software on your site like CloudFlare or mod_security?

No CloudFlare and I don't have anything specifically customized. I'm just using Dreamhost standard shared hosting... I'll check on the mod_sec - stand by...... That Fixes It! Sweet blessed syntax! It's just a joy to see it working :)

Thank you @sheabunge However, is it a good idea to keep mod_security disabled?

For anyone else on Dreamhost, you can disabled the Web Application Firewall (WAF) in the panel at the bottom of a site's settings. Here's the help article: https://help.dreamhost.com/hc/en-us/articles/215947927