system/library/cache/mem.php

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<?php
namespace Cache;
class Mem {
	private $expire;
	private $memcache;
	
	const CACHEDUMP_LIMIT = 9999;

	public function __construct($expire) {
		$this->expire = $expire;

		$this->memcache = new \Memcache();
		$this->memcache->pconnect(CACHE_HOSTNAME, CACHE_PORT);
	}

	public function get($key) {
		return $this->memcache->get(CACHE_PREFIX . $key);
	}

    public function setExpire($expire = 3600){
        $this->expire=$expire;
        return $this;
    }

	public function set($key, $value) {
		return $this->memcache->set(CACHE_PREFIX . $key, $value, MEMCACHE_COMPRESSED, $this->expire);
	}

	public function delete($key) {
		$this->memcache->delete(CACHE_PREFIX . $key);
	}

    public function deleteLike($key) {

    }
}