-
-
class session_handler { protected $maxlifetime = null; proted🎜> proted $dbHandle = null;- public $config = null;
public static function init($args) { - return new self($args);
- } p>
公用函數__construct($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($this, "read"),
- array($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 = '如果不存在`%s`則建立表(
- `session_id` varchar(255) NOT NULL,
- `session_data` text,
- `session_expires` char(10) NOT NULL,
- PRIMARY KEY ( ` session_id`)
- ) ENGINE=InnoDB 預設字元集=utf8 COLLATE=utf8_unicode_ci;';
- $sql = sprintf($sql, $this->config['table']);
- mysqli_query( $this->config['table']);
- mysqli_query( $this ->link, $sql);
- 回傳true;
- }
public function close() { - return true;
- }
public function read($session_id) { - if(empty($session_id)) return null;
$sql = '從`%s` 選擇` session_data` AS `data`，其中`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, $session_data) { - if(empty($session_id)) return null;
$newExpires = time() $this->maxlifetime; - sql = '替換為`%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, $session_id),
- mysqli_real_escape_string($sesthis-datalink, $session_s. ,
- $newExpires);
$result = mysqli_query($this->link, $sql); - return mysqli_affected_rows($this->link);
- return mysqli_affected_rows($this->link);
- } p>
public function destroy($session_id) { - $sql = '從`%s` 刪除，其中`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來自“%s”，其中“session_expires” $sql = sprintf($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 $集合= null;
public static function open($clean = false, $token = false) { - if($clean) ob_end_clean();
- if($token) session_id($token);
- session_start();
- self::$collection = $_SESSION;
- }
公用靜態函數id() { - $num_args = func_num_args();
- if($num_args) {
- $args = func_get_arg(0);
- return session_id($args);
- }else
- return session_id();
- }
- }
公用靜態函式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;
- 取消設定($_SESSION[$name]); 回傳 true; }
public static function destroy() { - session_destroy();
- }
} - $config = array(
- "host"=> "127.0 .0.1",
- "用戶"=>"root",
- "密碼"=>"123456",
- "資料庫"=>"測試",
- "字元集"= > "utf8",
- "table"=> "user_session");
- session_handler::init($config);
- session::open();
- session: :set( "profile", array("id"=> 1, "user"=> "haowei", "vip-level"=> 6));
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