library\think\Cookie.php
// +----------------------------------------------------------------------
// | ThinkPHP [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2006~2016 http://thinkphp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Licensed ( http://www.apache.org/licenses/LICENSE-2.0 )
// +----------------------------------------------------------------------
// | Author: liu21st
// +----------------------------------------------------------------------
namespace think;
class Cookie
{
protected static $config = [
// cookie 名称前缀
'prefix' => '',
// cookie 保存时间
'expire' => 0,
// cookie 保存路径
'path' => '/',
// cookie 有效域名
'domain' => '',
// cookie 启用安全传输
'secure' => false,
// httponly设置
'httponly' => '',
// 是否使用 setcookie
'setcookie' => true,
];
protected static $init;
/**
* Cookie初始化
* @param array $config
* @return void
*/
public static function init(array $config = [])
{
if (empty($config)) {
$config = Config::get('cookie');
}
self::$config = array_merge(self::$config, array_change_key_case($config));
if (!empty(self::$config['httponly'])) {
ini_set('session.cookie_httponly', 1);
}
self::$init = true;
}
/**
* 设置或者获取cookie作用域（前缀）
* @param string $prefix
* @return string|void
*/
public static function prefix($prefix = '')
{
if (empty($prefix)) {
return self::$config['prefix'];
}
self::$config['prefix'] = $prefix;
}
/**
* Cookie 设置、获取、删除
*
* @param string $name cookie名称
* @param mixed $value cookie值
* @param mixed $option 可选参数 可能会是 null|integer|string
*
* @return mixed
* @internal param mixed $options cookie参数
*/
public static function set($name, $value = '', $option = null)
{
!isset(self::$init) && self::init();
// 参数设置(会覆盖黙认设置)
if (!is_null($option)) {
if (is_numeric($option)) {
$option = ['expire' => $option];
} elseif (is_string($option)) {
parse_str($option, $option);
}
$config = array_merge(self::$config, array_change_key_case($option));
} else {
$config = self::$config;
}
$name = $config['prefix'] . $name;
// 设置cookie
if (is_array($value)) {
array_walk_recursive($value, 'self::jsonFormatProtect', 'encode');
$value = 'think:' . json_encode($value);
}
$expire = !empty($config['expire']) ? $_SERVER['REQUEST_TIME'] + intval($config['expire']) : 0;
if ($config['setcookie']) {
setcookie($name, $value, $expire, $config['path'], $config['domain'], $config['secure'], $config['httponly']);
}
$_COOKIE[$name] = $value;
}
/**
* 判断Cookie数据
* @param string $name cookie名称
* @param string|null $prefix cookie前缀
* @return bool
*/
public static function has($name, $prefix = null)
{
!isset(self::$init) && self::init();
$prefix = !is_null($prefix) ? $prefix : self::$config['prefix'];
$name = $prefix . $name;
return isset($_COOKIE[$name]);
}
/**
* Cookie获取
* @param string $name cookie名称
* @param string|null $prefix cookie前缀
* @return mixed
*/
public static function get($name, $prefix = null)
{
!isset(self::$init) && self::init();
$prefix = !is_null($prefix) ? $prefix : self::$config['prefix'];
$name = $prefix . $name;
if (isset($_COOKIE[$name])) {
$value = $_COOKIE[$name];
if (0 === strpos($value, 'think:')) {
$value = substr($value, 6);
$value = json_decode($value, true);
array_walk_recursive($value, 'self::jsonFormatProtect', 'decode');
}
return $value;
} else {
return null;
}
}
/**
* Cookie删除
* @param string $name cookie名称
* @param string|null $prefix cookie前缀
* @return mixed
*/
public static function delete($name, $prefix = null)
{
!isset(self::$init) && self::init();
$config = self::$config;
$prefix = !is_null($prefix) ? $prefix : $config['prefix'];
$name = $prefix . $name;
if ($config['setcookie']) {
setcookie($name, '', $_SERVER['REQUEST_TIME'] - 3600, $config['path'], $config['domain'], $config['secure'], $config['httponly']);
}
// 删除指定cookie
unset($_COOKIE[$name]);
}
/**
* Cookie清空
* @param string|null $prefix cookie前缀
* @return mixed
*/
public static function clear($prefix = null)
{
// 清除指定前缀的所有cookie
if (empty($_COOKIE)) {
return;
}
!isset(self::$init) && self::init();
// 要删除的cookie前缀，不指定则删除config设置的指定前缀
$config = self::$config;
$prefix = !is_null($prefix) ? $prefix : $config['prefix'];
if ($prefix) {
// 如果前缀为空字符串将不作处理直接返回
foreach ($_COOKIE as $key => $val) {
if (0 === strpos($key, $prefix)) {
if ($config['setcookie']) {
setcookie($key, '', $_SERVER['REQUEST_TIME'] - 3600, $config['path'], $config['domain'], $config['secure'], $config['httponly']);
}
unset($_COOKIE[$key]);
}
}
}
return;
}
private static function jsonFormatProtect(&$val, $key, $type = 'encode')
{
if (!empty($val) && true !== $val) {
$val = 'decode' == $type ? urldecode($val) : urlencode($val);
}
}
}