Current File : //proc/thread-self/root/www/varak.net/losik.varak.net/vendor/nette/http/src/Http/SessionSection.php
<?php
/**
* This file is part of the Nette Framework (https://nette.org)
* Copyright (c) 2004 David Grudl (https://davidgrudl.com)
*/
declare(strict_types=1);
namespace Nette\Http;
use Nette;
/**
* Session section.
*/
class SessionSection implements \IteratorAggregate, \ArrayAccess
{
use Nette\SmartObject;
/** @var bool */
public $warnOnUndefined = false;
/** @var Session */
private $session;
/** @var string */
private $name;
/**
* Do not call directly. Use Session::getSection().
*/
public function __construct(Session $session, string $name)
{
$this->session = $session;
$this->name = $name;
}
/**
* Returns an iterator over all section variables.
*/
public function getIterator(): \Iterator
{
$this->session->autoStart(false);
return new \ArrayIterator($this->getData() ?? []);
}
/**
* Sets a variable in this session section.
* @param mixed $value
*/
public function set(string $name, $value, ?string $expire = null): void
{
if ($value === null) {
$this->remove($name);
} else {
$this->session->autoStart(true);
$this->getData()[$name] = $value;
$this->setExpiration($expire, $name);
}
}
/**
* Gets a variable from this session section.
* @return mixed
*/
public function get(string $name)
{
if (func_num_args() > 1) {
throw new \ArgumentCountError(__METHOD__ . '() expects 1 arguments, given more.');
}
$this->session->autoStart(false);
return $this->getData()[$name] ?? null;
}
/**
* Removes a variable or whole section.
* @param string|string[]|null $name
*/
public function remove($name = null): void
{
$this->session->autoStart(false);
if (func_num_args() > 1) {
throw new \ArgumentCountError(__METHOD__ . '() expects at most 1 arguments, given more.');
} elseif (func_num_args()) {
$data = &$this->getData();
$meta = &$this->getMeta();
foreach ((array) $name as $name) {
unset($data[$name], $meta[$name]);
}
} else {
unset($_SESSION['__NF']['DATA'][$this->name], $_SESSION['__NF']['META'][$this->name]);
}
}
/**
* Sets a variable in this session section.
* @deprecated use set() instead
*/
public function __set(string $name, $value): void
{
$this->session->autoStart(true);
$this->getData()[$name] = $value;
}
/**
* Gets a variable from this session section.
* @deprecated use get() instead
*/
public function &__get(string $name)
{
$this->session->autoStart(true);
$data = &$this->getData();
if ($this->warnOnUndefined && !array_key_exists($name, $data ?? [])) {
trigger_error("The variable '$name' does not exist in session section");
}
return $data[$name];
}
/**
* Determines whether a variable in this session section is set.
* @deprecated use get() instead
*/
public function __isset(string $name): bool
{
$this->session->autoStart(false);
return isset($this->getData()[$name]);
}
/**
* Unsets a variable in this session section.
* @deprecated use remove() instead
*/
public function __unset(string $name): void
{
$this->remove($name);
}
/**
* Sets a variable in this session section.
* @deprecated use set() instead
*/
public function offsetSet($name, $value): void
{
$this->__set($name, $value);
}
/**
* Gets a variable from this session section.
* @deprecated use get() instead
*/
#[\ReturnTypeWillChange]
public function offsetGet($name)
{
return $this->get($name);
}
/**
* Determines whether a variable in this session section is set.
* @deprecated use get() instead
*/
public function offsetExists($name): bool
{
return $this->__isset($name);
}
/**
* Unsets a variable in this session section.
* @deprecated use remove() instead
*/
public function offsetUnset($name): void
{
$this->remove($name);
}
/**
* Sets the expiration of the section or specific variables.
* @param ?string $expire
* @param string|string[]|null $variables list of variables / single variable to expire
* @return static
*/
public function setExpiration($expire, $variables = null)
{
$this->session->autoStart((bool) $expire);
$meta = &$this->getMeta();
if ($expire) {
$expire = Nette\Utils\DateTime::from($expire)->format('U');
$max = (int) ini_get('session.gc_maxlifetime');
if (
$max !== 0 // 0 - unlimited in memcache handler
&& ($expire - time() > $max + 3) // 3 - bulgarian constant
) {
trigger_error("The expiration time is greater than the session expiration $max seconds");
}
}
foreach (is_array($variables) ? $variables : [$variables] as $variable) {
$meta[$variable]['T'] = $expire ?: null;
}
return $this;
}
/**
* Removes the expiration from the section or specific variables.
* @param string|string[]|null $variables list of variables / single variable to expire
*/
public function removeExpiration($variables = null): void
{
$this->setExpiration(null, $variables);
}
private function &getData()
{
return $_SESSION['__NF']['DATA'][$this->name];
}
private function &getMeta()
{
return $_SESSION['__NF']['META'][$this->name];
}
}
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