293 lines
7.9 KiB
PHP
293 lines
7.9 KiB
PHP
<?php
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/*
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* This file is part of the Symfony package.
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*
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* (c) Fabien Potencier <fabien@symfony.com>
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*
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* For the full copyright and license information, please view the LICENSE
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* file that was distributed with this source code.
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*/
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namespace Symfony\Component\HttpFoundation;
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/**
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* Represents a cookie.
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*
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* @author Johannes M. Schmitt <schmittjoh@gmail.com>
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*/
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class Cookie
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{
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protected $name;
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protected $value;
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protected $domain;
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protected $expire;
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protected $path;
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protected $secure;
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protected $httpOnly;
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private $raw;
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private $sameSite;
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const SAMESITE_NONE = 'none';
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const SAMESITE_LAX = 'lax';
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const SAMESITE_STRICT = 'strict';
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/**
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* Creates cookie from raw header string.
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*
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* @param string $cookie
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* @param bool $decode
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*
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* @return static
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*/
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public static function fromString($cookie, $decode = false)
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{
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$data = [
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'expires' => 0,
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'path' => '/',
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'domain' => null,
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'secure' => false,
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'httponly' => false,
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'raw' => !$decode,
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'samesite' => null,
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];
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foreach (explode(';', $cookie) as $part) {
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if (false === strpos($part, '=')) {
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$key = trim($part);
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$value = true;
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} else {
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list($key, $value) = explode('=', trim($part), 2);
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$key = trim($key);
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$value = trim($value);
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}
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if (!isset($data['name'])) {
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$data['name'] = $decode ? urldecode($key) : $key;
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$data['value'] = true === $value ? null : ($decode ? urldecode($value) : $value);
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continue;
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}
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switch ($key = strtolower($key)) {
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case 'name':
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case 'value':
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break;
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case 'max-age':
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$data['expires'] = time() + (int) $value;
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break;
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default:
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$data[$key] = $value;
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break;
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}
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}
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return new static($data['name'], $data['value'], $data['expires'], $data['path'], $data['domain'], $data['secure'], $data['httponly'], $data['raw'], $data['samesite']);
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}
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/**
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* @param string $name The name of the cookie
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* @param string|null $value The value of the cookie
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* @param int|string|\DateTimeInterface $expire The time the cookie expires
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* @param string $path The path on the server in which the cookie will be available on
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* @param string|null $domain The domain that the cookie is available to
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* @param bool $secure Whether the cookie should only be transmitted over a secure HTTPS connection from the client
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* @param bool $httpOnly Whether the cookie will be made accessible only through the HTTP protocol
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* @param bool $raw Whether the cookie value should be sent with no url encoding
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* @param string|null $sameSite Whether the cookie will be available for cross-site requests
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*
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* @throws \InvalidArgumentException
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*/
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public function __construct($name, $value = null, $expire = 0, $path = '/', $domain = null, $secure = false, $httpOnly = true, $raw = false, $sameSite = null)
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{
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// from PHP source code
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if (preg_match("/[=,; \t\r\n\013\014]/", $name)) {
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throw new \InvalidArgumentException(sprintf('The cookie name "%s" contains invalid characters.', $name));
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}
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if (empty($name)) {
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throw new \InvalidArgumentException('The cookie name cannot be empty.');
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}
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// convert expiration time to a Unix timestamp
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if ($expire instanceof \DateTimeInterface) {
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$expire = $expire->format('U');
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} elseif (!is_numeric($expire)) {
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$expire = strtotime($expire);
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if (false === $expire) {
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throw new \InvalidArgumentException('The cookie expiration time is not valid.');
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}
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}
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$this->name = $name;
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$this->value = $value;
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$this->domain = $domain;
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$this->expire = 0 < $expire ? (int) $expire : 0;
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$this->path = empty($path) ? '/' : $path;
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$this->secure = (bool) $secure;
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$this->httpOnly = (bool) $httpOnly;
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$this->raw = (bool) $raw;
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if (null !== $sameSite) {
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$sameSite = strtolower($sameSite);
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}
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if (!\in_array($sameSite, [self::SAMESITE_LAX, self::SAMESITE_STRICT, self::SAMESITE_NONE, null], true)) {
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throw new \InvalidArgumentException('The "sameSite" parameter value is not valid.');
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}
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$this->sameSite = $sameSite;
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}
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/**
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* Returns the cookie as a string.
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*
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* @return string The cookie
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*/
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public function __toString()
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{
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$str = ($this->isRaw() ? $this->getName() : urlencode($this->getName())).'=';
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if ('' === (string) $this->getValue()) {
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$str .= 'deleted; expires='.gmdate('D, d-M-Y H:i:s T', time() - 31536001).'; Max-Age=0';
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} else {
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$str .= $this->isRaw() ? $this->getValue() : rawurlencode($this->getValue());
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if (0 !== $this->getExpiresTime()) {
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$str .= '; expires='.gmdate('D, d-M-Y H:i:s T', $this->getExpiresTime()).'; Max-Age='.$this->getMaxAge();
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}
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}
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if ($this->getPath()) {
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$str .= '; path='.$this->getPath();
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}
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if ($this->getDomain()) {
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$str .= '; domain='.$this->getDomain();
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}
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if (true === $this->isSecure()) {
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$str .= '; secure';
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}
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if (true === $this->isHttpOnly()) {
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$str .= '; httponly';
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}
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if (null !== $this->getSameSite()) {
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$str .= '; samesite='.$this->getSameSite();
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}
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return $str;
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}
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/**
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* Gets the name of the cookie.
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*
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* @return string
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*/
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public function getName()
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{
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return $this->name;
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}
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/**
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* Gets the value of the cookie.
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*
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* @return string|null
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*/
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public function getValue()
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{
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return $this->value;
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}
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/**
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* Gets the domain that the cookie is available to.
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*
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* @return string|null
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*/
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public function getDomain()
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{
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return $this->domain;
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}
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/**
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* Gets the time the cookie expires.
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*
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* @return int
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*/
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public function getExpiresTime()
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{
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return $this->expire;
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}
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/**
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* Gets the max-age attribute.
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*
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* @return int
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*/
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public function getMaxAge()
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{
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$maxAge = $this->expire - time();
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return 0 >= $maxAge ? 0 : $maxAge;
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}
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/**
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* Gets the path on the server in which the cookie will be available on.
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*
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* @return string
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*/
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public function getPath()
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{
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return $this->path;
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}
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/**
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* Checks whether the cookie should only be transmitted over a secure HTTPS connection from the client.
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*
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* @return bool
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*/
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public function isSecure()
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{
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return $this->secure;
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}
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/**
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* Checks whether the cookie will be made accessible only through the HTTP protocol.
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*
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* @return bool
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*/
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public function isHttpOnly()
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{
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return $this->httpOnly;
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}
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/**
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* Whether this cookie is about to be cleared.
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*
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* @return bool
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*/
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public function isCleared()
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{
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return 0 !== $this->expire && $this->expire < time();
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}
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/**
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* Checks if the cookie value should be sent with no url encoding.
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*
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* @return bool
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*/
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public function isRaw()
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{
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return $this->raw;
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}
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/**
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* Gets the SameSite attribute.
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*
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* @return string|null
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*/
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public function getSameSite()
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{
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return $this->sameSite;
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}
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}
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