%PDF-
%PDF-
Mini Shell
Mini Shell
<?php
/* For licensing terms, see /license.txt */
namespace System;
/**
* Session Management.
*
* @see ChamiloSession
*
* @license see /license.txt
* @author Laurent Opprecht <laurent@opprecht.info> for the Univesity of Geneva
*/
class Session implements \ArrayAccess
{
/**
* @param string $name
*/
public function __unset($name)
{
unset($_SESSION[$name]);
}
/**
* @param string $name
*
* @return bool
*/
public function __isset($name)
{
return self::has($name);
}
/**
* It it exists returns the value stored at the specified offset.
* If offset does not exists returns null. Do not trigger a warning.
*
* @param string $name
*
* @return mixed
*/
public function __get($name)
{
return self::read($name);
}
/**
* @param string $name
* @param mixed $value
*/
public function __set($name, $value)
{
self::write($name, $value);
}
/**
* @param string $variable
* @param null $default
*
* @return mixed
*/
public static function read($variable, $default = null)
{
return isset($_SESSION[$variable]) ? $_SESSION[$variable] : $default;
}
/**
* @param string $variable
* @param mixed $value
*/
public static function write($variable, $value)
{
$_SESSION[$variable] = $value;
}
/**
* @param string $variable
*/
public static function erase($variable)
{
$variable = (string) $variable;
if (isset($GLOBALS[$variable])) {
unset($GLOBALS[$variable]);
}
if (isset($_SESSION[$variable])) {
unset($_SESSION[$variable]);
}
}
/**
* Returns true if session has variable set up, false otherwise.
*
* @param string $variable
*
* @return bool
*/
public static function has($variable)
{
return isset($_SESSION[$variable]);
}
/**
* Clear session.
*/
public static function clear()
{
session_regenerate_id();
session_unset();
$_SESSION = [];
}
/**
* Destroy session.
*/
public static function destroy()
{
session_unset();
$_SESSION = [];
session_destroy();
}
/*
* ArrayAccess : bool
*/
public function offsetExists($offset): bool
{
return isset($_SESSION[$offset]);
}
/**
* If it exists, returns the value stored at the specified offset.
* If offset does not exist, returns null. Do not trigger a warning.
*
* @param string $offset
*
* @return mixed (write offsetGet($offset): mixed on PHP 8 and & > )
*/
//if PHP_VERSION_ID >= 80000
#[\ReturnTypeWillChange]
//endif
public function offsetGet($offset)
{
return self::read($offset);
}
public function offsetSet($offset, $value): void
{
self::write($offset, $value);
}
public function offsetUnset($offset): void
{
unset($_SESSION[$offset]);
}
}
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