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<?php
/**
* A session represents an http session
*
* This file is part of Zoph.
*
* Zoph is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Zoph is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with Zoph; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
* @package Zoph
* @author Jeroen Roos
*/
namespace web;
use settings;
use conf\conf;
use user;
use ArrayAccess;
/**
* A session represents an http session
*
*
* @package Zoph
* @author Jeroen Roos
*/
class session implements ArrayAccess {
/** @var holds $_SESSION variables */
private $vars;
/** @var holds current session */
private static session $session;
/**
* Create object
*/
public function __construct(array $vars=null) {
$this->vars=(array) $vars;
static::$session=$this;
}
/**
* Start the session
* @codeCoverageIgnore
*/
public function start() : void {
ini_set("session.name", settings::$instance ?? "zoph");
session_set_cookie_params(conf::get("interface.cookie.expire"));
session_start();
static::$session=$this;
$this->vars=&$_SESSION;
}
public function logout() : void {
session_destroy();
user::unsetCurrent();
}
/**
* For ArrayAccess: does the offset exist
* @param mixed offset
* @return bool offset exists
*/
public function offsetExists(mixed $off) : bool {
return (isset($this->vars[$off]));
}
/**
* For ArrayAccess: Get value of parameter
* if $_SESSION parameter is available, return it, otherwise null
* @param mixed offset
* @return mixed value
*/
public function offsetGet(mixed $off) : mixed {
if (isset($this->vars[$off])) {
return $this->vars[$off];
}
return null;
}
/**
* For ArrayAccess: Set value of parameter
* @param mixed offset
* @param mixed value
*/
public function offsetSet(mixed $off, mixed $val) : void {
$this->vars[$off]=$val;
}
/**
* For ArrayAccess: Unset value of parameter
* @param mixed offset
*/
public function offsetUnset(mixed $off) : void {
unset($this->vars[$off]);
}
/**
* For ObjectAccess: Get value of parameter
* if $_SESSION parameter is available, return it, otherwise null
* @param mixed offset
* @return mixed value
*/
public function __get(mixed $off) : mixed {
return $this->offsetGet($off);
}
public static function getCurrent() : self {
if (!isset(static::$session)) {
$session = new self(array());
}
return static::$session;
}
}
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