PseudoArray/Cache.php at master · br-devel/PseudoArray · GitHub

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<?php

class EtuDev_PseudoArray_Cache
{

    /**
     * @var EtuDev_PseudoArray_Cache
     */
    static protected $instansce;

    /**
     * @return EtuDev_PseudoArray_Cache
     */
    static public function getInstance()
    {
        if (!static::$instansce) {
            static::$instansce = new EtuDev_PseudoArray_Cache();
        }

        return static::$instansce;
    }

    protected $enabled = true;

    public function isEnabled()
    {
        return $this->enabled && EtuDev_Cache_Engine_Fast::getInstance()->isEnabled();
    }

    public function enable()
    {
        $this->enabled = true;
    }

    public function disable()
    {
        $this->enabled = false;
    }

    protected $prefix;

    protected function getPrefix()
    {
        if (!$this->prefix) {
            $this->prefix = 'psa' . (defined('APPLICATION_HASHKEY') ? APPLICATION_HASHKEY : '');
        }
        return $this->prefix;
    }

    protected function completeKey($k)
    {
        return $this->getPrefix() . $k;
    }

    public function write($k, $v, $time_to_live = 86400)
    {
        $key = $this->completeKey($k);
        return EtuDev_Cache_Engine_Fast::getInstance()->set($key, $v, $time_to_live);
    }

    public function get($k)
    {
        return EtuDev_Cache_Engine_Fast::getInstance()->get($this->completeKey($k));
    }

    public function deleteAll()
    {
        return EtuDev_Cache_Engine_Fast::getInstance()->deleteAllPrefix($this->getPrefix());
    }

}