class.arCalledClassCache.php

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<?php

class arCalledClassCache
{

    protected static $cache = array();


    public static function isCached($class_name)
    {
        return in_array($class_name, array_keys(self::$cache));
    }


    public static function store($class_name)
    {
        self::$cache[$class_name] = arFactory::getInstance($class_name, null);
    }


    public static function get($class_name)
    {
        if (!self::isCached($class_name)) {
            self::store($class_name);
        }

        return self::$cache[$class_name];
    }


    public static function purge($class_name)
    {
        unset(self::$cache[$class_name]);
    }
}