<?php
class session {
const SESSION_STARTED = TRUE;
const SESSION_NOT_STARTED = FALSE;
private $session_state = self::SESSION_NOT_STARTED;
private static $instance;
public static function get_instance(){
if(!isset(self::$instance)){
self::$instance = new self;
}
self::$instance->start_session();
return self::$instance;
}
public function start_session(){
if($this->session_state == self::SESSION_NOT_STARTED){
$this->session_state = session_start();
}
return $this->session_state;
}
public function __set($name,$value){
$_SESSION[$name] = $value;
}
public function __get($name){
if(isset($_SESSION[$name])){
return $_SESSION[$name];
}
}
public function __isset($name){
return isset($_SESSION[$name]);
}
public function __unsset($name){
unset($_SESSION[$name]);
}
public function destroy(){
if($this->session_state == self::SESSION_STARTED){
$this->session_state = !session_destroy();
unset($_SESSION);
return !$this->session_state;
}
return false;
}
}
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