PHP Session storage Mode

File:

Session.save_handler = Filessession.save_path = "/tmp"

Session file synchronization

Memcache

Session.save_handler = Memcachesession.save_path = "Tcp://127.0.0.1:11211,tcp://mem server 2: Port number ..." Using multiple memcached server When separated by a comma "," You can take additional parameters such as "persistent", "weight", "timeout", "Retry_interval" and so on, similar to: "tcp://host1:port1?persistent=1& Weight=2,tcp://host2:port2 "Reference: http://php.net/manual/zh/memcache.addserver.php if the pecl installed is memcached ( Using the Libmemcache Library), the configuration should be Ini_set ("Session.save_handler", "memcached"); is memcached not Memcacheini_set ("Session.save_path", "127.0.0.1:11211"); Do not tcp://parameter reference: http://php.net/manual/zh/memcached.addserver.php

Parameter reference:
http://php.net/manual/zh/memcache.addserver.php
http://php.net/manual/zh/memcached.addserver.php



Redis

Session.save_handler = Redissession.save_path = "Tcp://host1:6379?weight=1, tcp://host2:6379?weight=2&timeout= 2.5, tcp://host3:6379?weight=2 "parameter: Weight specific gravity timeout Timeout persistent persistent connection value 0 1prefix session ID prefix auth Validate database selected databases Sessi On in seconds indicates that the life cycle is controlled by the Session.gc_maxlifetime ini_set (' session.gc_maxlifetime ', ' 3600 ') can change the time to live, need Setex command, Redis version at least 2.0phpredis can also be linked to a UNIX domain socket:unix:///var/run/redis/redis.sock?persistent=1&weight=1& Database=0

Parameter reference: Https://github.com/phpredis/phpredis, http://blog.csdn.net/fb408487792/article/details/43274565


The pros and cons of several ways are obvious: using Redis is recommended


Redis instance:

Ini_set (' Session.save_handler ', ' Redis '); Ini_set (' Session.save_path ', ' tcp://127.0.0.1:6379 '); Session_Start (); $_ session[' sessionkey '] = ' redis session! '; Var_dump ($_session[' SessionKey '); Echo ' <br/> ';        $redis = new Redis (), $redis->connect (' 127.0.0.1 ', 6379),//redis with session_id as key and is stored in string form var_dump ($redis- >get (' phpredis_session: '. session_id ()));

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PHP Session storage Mode