通过session_set_save_handler()方法自定义session写入memcache
1 php 2 class memsession{ 3 private static $handler = null; 4 private static $lifetime = null; 5 private static $time = null; 6 const ms = 'session'; 7 8 private static function init($handler){ 9 self::$handler = $handler;10 self::$lifetime = ini_get('session.gc_maxlifetime');11 self::$time = time();12 }13 14 public static function start($memcache){15 self::init($memcache);16 //调用类中的方法要用数组,__class__代表本类17 session_set_save_handler(18 array(__class__,'open'),19 array(__class__,'close'),20 array(__class__,'read'),21 array(__class__,'write'),22 array(__class__,'destroy'),23 array(__class__,'gc')24 );25 session_start();26 }27 28 public static function open($path,$name){29 30 }31 public static function close(){32 33 }34 35 public static function read($phpsessid){36 $val = self::$handler->get(self::session_key($phpsessid));37 38 if($val===false || $val==null){39 return false;40 }41 return $val;42 }43 public static function write($phpsessid,$data){44 $method = $data? 'set':'replace';45 return self::$handler->$method(self::session_key($phpsessid),$data,memcache_compressed,self::$lifetime);46 }47 48 public static function destroy($phpsessid){49 return self::$handle->delete(self::session_key($phpsessid));50 }51 //memcache本身就有限定时间，数据自动销毁，所以可不使用gc方法52 public static function gc($lifetime){53 return true;54 }55 56 //给sessionid加前缀，避免key重复57 private static function session_key($phpsessid){58 $session_key = self::ms.$phpsessid;59 return $session_key;60 } 61 }62 $mem = new memcache;63 $mem->connect(localhost,11211) or die(could not connect);64 memsession::start($mem);
以上就介绍了将session写入memcache，包括了方面的内容，希望对php教程有兴趣的朋友有所帮助。