imagecms/ImageCMS

<?php

if (!defined('BASEPATH')) {
    exit('No direct script access allowed');
}

class CmsCacheHelper
{

    public static $key = null;

    public static $duration = false;

    public function init($key, $duration) {
        $ci = get_instance();

        self::$key = $key;
        self::$duration = $duration;

        if (($data = $ci->cache->fetch('parts' . $key, 'parts')) === false) {
            return false;
        }

        return $data;
    }

    public function storeCache($content) {
        $ci = get_instance();

        $ci->cache->store('parts' . self::$key, $content, self::$duration, 'parts');

        return self::$key;
    }

}

if (!function_exists('beginCache')) {

    function beginCache($key, $duration = false) {
        $result = CmsCacheHelper::init($key, $duration);

        if ($result === false) {
            ob_start();
            ob_implicit_flush(false);
            return true; // Begin cache
        } else {
            // Display cached content
            echo $result;
            return false;
        }
    }

}

if (!function_exists('endCache')) {

    function endCache() {
        $content = ob_get_clean();
        CmsCacheHelper::storeCache($content);
        return $content;
    }

}