memcache存储session 简单版本 实现功能了 空了来修改~
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2022-04-13 10:39:56
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跳至
include('cls_session.php'); $m =new Memcache; $m->connect('localhost',11211); $sess = new cls_session($m);
2. [代码][PHP]代码
session_name = $session_name; $this->db = &$db; $this->_ip = '127.0.0.1'; if ($session_id == '' && !empty($_COOKIE[$this->session_name])) { $this->session_id = $_COOKIE[$this->session_name]; } else { $this->session_id = $session_id; } if ($this->session_id) { $tmp_session_id = substr($this->session_id, 0, 32); if ($this->gen_session_key($tmp_session_id) == substr($this->session_id, 32)) { $this->session_id = $tmp_session_id; } else { $this->session_id = ''; } } $this->_time = time(); if ($this->session_id) { $this->load_session(); } else { $this->gen_session_id(); setcookie($this->session_name, $this->session_id . $this->gen_session_key($this->session_id), 0); } register_shutdown_function(array(&$this, 'close_session')); } function gen_session_id() { $this->session_id = md5(uniqid(mt_rand(), true)); return $this->insert_session(); } function gen_session_key($session_id) { static $ip = ''; if ($ip == '') { $ip = substr($this->_ip, 0, strrpos($this->_ip, '.')); } return sprintf('%08x', crc32(!empty($_SERVER['HTTP_USER_AGENT']) ? $_SERVER['HTTP_USER_AGENT'] . ROOT_PATH . $ip . $session_id : ROOT_PATH . $ip . $session_id)); } function insert_session() { $this->db->set( $this->session_id, array( 'ip' => $this->_ip, 'time' => $this->_time, ), false, $this->max_life_time ); } function load_session() { $GLOBALS['_SESSION'] = $this->db->get($this->session_id); } function update_session() { $this->db->replace($this->session_id,$GLOBALS['_SESSION'],$this->max_life_time); } function close_session() { $this->update_session(); } function get_session_id() { return $this->session_id; } function destroy_session() { setcookie($this->session_name,'', 0); $this->db->delete($this->session_id); } }