is_file?

I something like is_file really so hard to implement? This has been going on for so many versions…I can;t believe no one else has said anything. I guess it’s up to me.

WARNING: wp-content/plugins/w3-total-cache/Util_File.php:124 – opendir(/home3/********/public_html/requitedesigns/wp-content/cache/db/2/options_comments/): failed to open dir: No such file or directory
require_once(‘wp-admin/admin-header.php’), do_action(‘admin_notices’), WP_Hook->do_action, WP_Hook->apply_filters, call_user_func_array, W3TC\Generic_Plugin_Admin->admin_notices, W3TC\Root_Environment->fix_in_wpadmin, W3TC\Root_Environment->fix_on_event, do_action(‘w3tc_environment_fix_on_event’), WP_Hook->do_action, WP_Hook->apply_filters, call_user_func_array, W3TC\Extension_FragmentCache_Environment::fix_on_event, wp_schedule_event, _set_cron_array, update_option, W3TC\DbCache_Wpdb->update, W3TC\DbCache_WpdbInjection_QueryCaching->update, W3TC\DbCache_WpdbInjection_QueryCaching->_flush_cache_group, W3TC\Cache_File->flush, W3TC\Util_File::emptydir, W3TC\Util_File::rmdir, opendir
WARNING: wp-content/plugins/w3-total-cache/Util_File.php:124 – opendir(/home3/********/public_html/requitedesigns/wp-content/cache/db/2/comments/): failed to open dir: No such file or directory
require_once(‘wp-admin/admin-header.php’), do_action(‘admin_head’), WP_Hook->do_action, WP_Hook->apply_filters, call_user_func_array, VisitorMaps->visitor_maps_activity, VisitorMaps->visitor_maps_activity_do, VisitorMaps->set_whos_records, W3TC\DbCache_Wpdb->query, W3TC\DbCache_WpdbInjection_QueryCaching->query, W3TC\DbCache_WpdbInjection_QueryCaching->_flush_cache_group, W3TC\Cache_File->flush, W3TC\Util_File::emptydir, W3TC\Util_File::rmdir, opendir
WARNING: wp-content/plugins/w3-total-cache/ObjectCache_Environment.php:169 – file_get_contents(/home3/********/public_html/requitedesigns/wp-content/object-cache.php): failed to open stream: No such file or directory
require_once(‘wp-admin/admin-header.php’), do_action(‘admin_notices’), WP_Hook->do_action, WP_Hook->apply_filters, call_user_func_array, W3TC\Generic_Plugin_Admin->admin_notices, W3TC\Root_Environment->fix_in_wpadmin, W3TC\ObjectCache_Environment->fix_on_wpadmin_request, W3TC\ObjectCache_Environment->delete_addin, W3TC\ObjectCache_Environment->is_objectcache_add_in, file_get_contents

The page I need help with: [log in to see the link]