Sessions

ICSessions.php

<?php
class ICSessions
{
    static public function Init(){
        if (!session_id()) @session_start();
        return new ICSession;
    }

    public function Set($key='', $value='')
    {
        $_result = !empty($key);
        if ($_result) { 
            $_SESSION[$key] = $value; 
        }
        return $_result;
    }

    public function Get($key)
    {
        return (isset($_SESSION[$key]))? $_SESSION[$key]: null;
    }

    public function Unset(){
        if (!session_id()) session_unset();
        return null;
    }
}

$session = ICSessions::Init();

$session->Set('cat','Kitty');
echo $session->Get('cat');

$session = $session->Unset();