SessionCache.php

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<?php
 
namespace Ubiquity\cache\objects;
 
use Ubiquity\utils\http\USession;
use Ubiquity\utils\base\UString;
 
class SessionCache {
    private $session;
    const ENTRY_KEY="_session_cache";
    
    public function __construct(){
        $this->session=new USession();
        $this->session->start();
    }
 
    public function fetch($key) {
        return $this->session->get($this->getEntryKey($key));
    }
 
    public function clear() {
        foreach($_SESSION as $k=>$notUsed){
            if(UString::startswith($k, self::ENTRY_KEY.".")){
                unset ( $_SESSION [$k] );
            }
        }
    }
 
    public function exists($key) {
        return $this->session->exists($this->getEntryKey($key));
    }
 
    public function getEntryKey($key) {
        return self::ENTRY_KEY.'.'.$key;
    }
    
    public function store($key, $object) {
        $key=$this->getEntryKey($key);
        $this->session->set($key, $object);
    }
 
 
    public function remove($key) {
        $this->session->delete($this->getEntryKey($key));
    }
}