Rewrite the session mechanism in ecshop and port it from DB to Memcache-PHP source code

Rewrite the session mechanism in ecshop and port the database to Memcache.

AddServer ('2017. 0.0.1 ', 11211); $ this-> cls_session ($ m, $ session_name, $ session_id);} function cls_session (& $ db, $ session_name = 'ecs _ id ', $ session_id = '') {$ GLOBALS ['_ session'] = array (); if (! Empty ($ GLOBALS ['cookie _ path']) {$ this-> session_cookie_path = $ GLOBALS ['cookie _ path'];} else {$ this-> session_cookie_path = '/';} if (! Empty ($ GLOBALS ['cookie _ domain ']) {$ this-> session_cookie_domain = $ GLOBALS ['cookie _ domain'];} else {$ this-> session_cookie_domain = '';} if (! Empty ($ GLOBALS ['cookie _ secure ']) {$ this-> session_cookie_secure = $ GLOBALS ['cookie _ secure'];} else {$ this-> session_cookie_secure = false;} $ this-> session_name = $ session_name; $ this-> db = & $ db; $ this-> _ ip = real_ip (); 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-> s Ession_id) {$ this-> load_session ();} else {$ this-> gen_session_id (); setcookie ($ this-> session_name, $ this-> session_id. $ this-> gen_session_key ($ this-> session_id), 0, $ this-> session_cookie_path, $ this-> session_cookie_domain, $ this-> session_cookie_secure );} register_shutdown_function (array (& $ this, 'close _ session');} function gen_session_id () {$ this-> session_id = md5 (uniqid (mt_rand (), true )); re Turn $ 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 () {return $ this-> db-> set ($ this-> session_id, array ('expiry' => $ this-> _ time, 'IP' => $ this-> _ ip, 'data' => 'A: 0: {} '), false, $ this-> max_life_time);} function load_session () {$ session = $ this-> db-> get ($ this-> session_id ); if (empty ($ session) {$ this-> insert_session (); $ this-> session_e Xpiry = 0; $ this-> session_md5 = '40cd750bba9870f18aada2478b24840a'; $ GLOBALS ['_ session'] = array ();} else {if (! Empty ($ session ['data']) & $ this-> _ time-$ session ['expiry'] max_life_time) {$ this-> session_expiry = $ session ['expiry']; $ this-> session_md5 = md5 ($ session ['data']); $ GLOBALS ['_ session'] = unserialize (stripslashes ($ SESSION ['data']);} else {$ this-> session_expiry = 0; $ this-> session_md5 = '40cd750bba9870f18aada2478b24840a'; $ GLOBALS ['_ session'] = array () ;}} function update_session () {$ adminid =! Empty ($ GLOBALS ['_ session'] ['admin _ id'])? Intval ($ GLOBALS ['_ session'] ['admin _ id']): 0; $ userid =! Empty ($ GLOBALS ['_ session'] ['User _ id'])? Intval ($ GLOBALS ['_ session'] ['User _ id']): 0; $ data = serialize ($ GLOBALS [' _ session']); $ this-> _ time = time (); if ($ this-> session_md5 = md5 ($ data) & $ this-> _ time <$ this-> session_expiry + 10) {return true;} $ data = addslashes ($ data ); return $ this-> db-> replace ($ this-> session_id, array ('expiry' => $ this-> _ time, 'IP' => $ this-> _ ip, 'userid' => $ userid, 'adminid' => $ adminid, 'data' => $ data), false, $ this-> m Ax_life_time);} function close_session () {$ this-> update_session (); return true;} function delete_spec_admin_session ($ adminid) {if (! Empty ($ GLOBALS ['_ session'] ['admin _ id']) & $ adminid) {$ all_items = $ this-> db-> getExtendedStats ('items '); $ items = $ all_items ['123. 0.0.1: 11211 '] ['items']; foreach ($ items as $ key => $ item) {if (isset ($ item ['adminid']) {if ($ item ['adminid'] ==$ adminid) return $ this-> db-> delete ($ key) ;}} else {return false ;}} function destroy_session () {$ GLOBALS ['_ session'] = array (); setcookie ($ this-> session_na Me, $ this-> session_id, 1, $ this-> session_cookie_path, $ this-> session_cookie_domain, $ this-> session_cookie_secure ); /* ECSHOP custom execution part */if (! Empty ($ GLOBALS ['ecs']) {$ GLOBALS ['DB']-> query ('delete from '. $ GLOBALS ['ecs']-> table ('cart '). "WHERE session_id = '$ this-> session_id '");} /* ECSHOP custom execution part */return $ this-> db-> delete ($ this-> session_id);} function get_session_id () {return $ this-> session_id ;} function get_users_count () {$ all_items = $ this-> db-> getExtendedStats (); return $ count = $ all_items ['2017. 0.0.1: 11211 '] ['curr _ items']; // Is cached with other keys, so this is only a close value }}?>