php session 写入数据库
发布:smiling 来源: PHP粉丝网 添加日期:2021-07-09 14:21:14 浏览: 评论:0
这篇文章主要介绍了php session 写入数据库的相关资料,需要的朋友可以参考下,本文实例介绍了php session 写入数据库的方法,分享给大家供大家参考,具体内容如下
- <?php
- #
- # codeMaker Alpha 0.1.1 ( haowei.me )
- # This framework comply with the GPL license agreement
- #
- class session_handler {
- protected $maxlifetime = null;
- protected $dbHandle = null;
- public $config = null;
- public static function init($args) {
- return new self($args);
- }
- public function __construct($args) {
- $this->config = $args;
- $this->maxlifetime = get_cfg_var("session.gc_maxlifetime");
- session_set_save_handler(
- array($this, "open"),
- array($this, "close"),
- array($this, "read"),
- array($this, "write"),
- array($this, "destroy"),
- array($this, "gc"));
- }
- public function open() {
- $this->link = mysqli_connect(
- $this->config['host'],
- $this->config['user'],
- $this->config['password'],
- $this->config['database']);
- mysqli_set_charset($this->link, "utf8");
- $sql = 'CREATE TABLE IF NOT EXISTS `%s` (
- `session_id` varchar(255) NOT NULL,
- `session_data` text,
- `session_expires` char(10) NOT NULL,
- PRIMARY KEY (`session_id`)
- ) ENGINE=InnoDB DEFAULT CHARSET=utf8 COLLATE=utf8_unicode_ci;';
- $sql = sprintf($sql, $this->config['table']);
- mysqli_query($this->link, $sql);
- return true;
- }
- public function close() {
- return true;
- }
- public function read($session_id) {
- if(emptyempty($session_id)) return null;
- $sql = 'SELECT `session_data` AS `data` FROM `%s` WHERE `session_id` = "%s" AND `session_expires` > "%u"';
- $sql = sprintf($sql,
- mysqli_real_escape_string($this->link, $this->config['table']),
- mysqli_real_escape_string($this->link, $session_id),
- time());
- $result = mysqli_query($this->link, $sql);
- $row = mysqli_fetch_assoc($result);
- return $row['data'];
- }
- public function write($session_id, $session_data) {
- if(emptyempty($session_id)) return null;
- $newExpires = time() + $this->maxlifetime;
- $sql = 'REPLACE INTO `%s` SET `session_id` = "%s", `session_data` = "%s", `session_expires` = "%u"';
- $sql = sprintf($sql,
- mysqli_real_escape_string($this->link, $this->config['table']),
- mysqli_real_escape_string($this->link, $session_id),
- mysqli_real_escape_string($this->link, $session_data),
- $newExpires);
- $result = mysqli_query($this->link, $sql);
- return mysqli_affected_rows($this->link);
- }
- public function destroy($session_id) {
- $sql = 'DELETE FROM `%s` WHERE `session_id` = "%s"';
- $sql = sprintf($sql,
- mysqli_real_escape_string($this->link, $this->config['table']),
- mysqli_real_escape_string($this->link, $session_id));
- $result = mysqli_query($this->link, $sql);
- return mysqli_affected_rows($this->link);
- }
- public function gc() {
- $sql = 'DELETE FROM `%s` WHERE `session_expires` < "%u"';
- $sql = sprintf($sql,
- mysqli_real_escape_string($this->link, $this->config['table']),
- time());
- $result = mysqli_query($this->link, $sql);
- return mysqli_affected_rows($this->link);
- }
- }
- class session {
- public static $collection = null;
- public static function open($clean = false, $token = false) {
- if($clean) ob_end_clean();
- if($token) session_id($token);
- session_start();
- self::$collection = $_SESSION;
- }
- public static function id() {
- $num_args = func_num_args();
- if($num_args) {
- $args = func_get_arg(0);
- return session_id($args);
- }else{
- return session_id();
- }
- }
- public static function get($name) {
- return isset($_SESSION[$name]) ? $_SESSION[$name] : null;
- }
- public static function set($name, $value) {
- $_SESSION[$name] = $value;
- return true;
- }
- public static function delete($name) {
- if(!isset($_SESSION[$name])) return null;
- unset($_SESSION[$name]);
- return true;
- }
- public static function destroy() {
- session_destroy();
- }
- }
- $config = array(
- "host"=> "127.0.0.1",
- "user"=> "root",
- "password"=> "123456",
- "database"=> "test",
- "charset"=> "utf8",
- "table"=> "user_session");
- session_handler::init($config);
- session::open();
- session::set("profile", array("id"=> 1, "user"=> "haowei", "vip-level"=> 6));
以上就是本文的全部内容,希望对大家的学习有所帮助。
Tags: session写入数据库
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