private static function init_permission_checks()
 {
     if (null === MainWP_Security::$permission_checks) {
         MainWP_Security::$permission_checks = array(WP_CONTENT_DIR . DIRECTORY_SEPARATOR . '../' => '0755', WP_CONTENT_DIR . DIRECTORY_SEPARATOR . '../wp-includes' => '0755', WP_CONTENT_DIR . DIRECTORY_SEPARATOR . '../.htaccess' => '0644', WP_CONTENT_DIR . DIRECTORY_SEPARATOR . 'index.php' => '0644', WP_CONTENT_DIR . DIRECTORY_SEPARATOR . 'js/' => '0755', WP_CONTENT_DIR . DIRECTORY_SEPARATOR . 'themes' => '0755', WP_CONTENT_DIR . DIRECTORY_SEPARATOR . 'plugins' => '0755', WP_CONTENT_DIR . DIRECTORY_SEPARATOR . '../wp-admin' => '0755', WP_CONTENT_DIR => '0755');
     }
 }