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<?php

defined('ABSPATH') or die("you do not have access to this page!");
if (!class_exists('rsssl_cache')) {
    class rsssl_cache
    {
        private $capability = 'manage_options';
        private static $_this;
        function __construct()
        {
            if (isset(self::$_this)) {
                wp_die(sprintf(__('%s is a singleton class and you cannot create a second instance.', 'really-simple-ssl'), get_class($this)));
            }
            self::$_this = $this;
        }
        static function this()
        {
            return self::$_this;
        }
        public function flush()
        {
            if (!current_user_can($this->capability)) {
                return;
            }
            add_action('admin_head', array($this, 'flush_w3tc_cache'));
            add_action('admin_head', array($this, 'flush_fastest_cache'));
            add_action('admin_head', array($this, 'flush_zen_cache'));
        }
        public function flush_w3tc_cache()
        {
            if (function_exists('w3tc_flush_all')) {
                w3tc_flush_all();
            }
        }
        public function flush_fastest_cache()
        {
            if (class_exists('WpFastestCache')) {
                $GLOBALS["wp_fastest_cache"]->deleteCache(TRUE);
            }
        }
        public function flush_zen_cache()
        {
            if (class_exists('\\zencache\\plugin')) {
                $GLOBALS['zencache']->clear_cache();
            }
        }
        public function flush_wp_rocket()
        {
            if (function_exists("rocket_clean_domain")) {
                rocket_clean_domain();
            }
        }
    }
}