This is a replacement of the class.404.php file and provides a lot more information to help backtrace problems, hacking attempts, etc… Replace /includes/classes/class.404.php with: Alternative version to catch all 404 without $_POST and $_GET, only exclude when particular strings in URL
Background From ISC doc: It’s also possible to include another file within a template. This can be accomplished using file include variables. This is extremely useful if external files such as banners, site‐network headers or other content need to be included. File includes can either be local (relative to the Interspire Shopping Cart base directory),…
Here is a summary of server configuration for optimal server performance, site speed, and security for a single ecommerce site dedicated server with 16GB RAM. File locations are based on cPanel EA4 Apache 2.4 Event MPM PHP 5.6 PHP-FPM MariaDB 10.3 All configuration values are defined and tuned based on our actual website usages. E.g….
In php.ini Reference https://haydenjames.io/php-5-6-eol-end-of-life-php-7-compatibility-check/
PHP has a feature to cache the realpath resolutions to speed up frequent accesses to the filesystem. Check current realpath cache size using Reference https://haydenjames.io/set-monitor-phps-realpath_cache_size-correctly/ https://tideways.com/profiler/blog/how-does-the-php-realpath-cache-work-and-how-to-configure-it