PHP+redis implements session sharing

The content of this article is about the realization of session sharing with PHP redis. It has a certain reference value. Now I share it with you. Friends in need can refer to it

This article mainly talks about how to use PHP redis implements session sharing. As for its principle, I won’t go into details here. Friends who need it can Baidu by themselves. Here we mainly talk about how to implement it.

#1. In order for different domain names to access the same SESSION_ID, set the domain to be unified here. Modify php.ini and change the default configuration to session.cookie_domain=".test.com".

Modify ".test.com" here according to your own needs.

#2. In order to make the data accessible on different websites, we choose to store the session in redis. Modify php.ini and change the default configuration to

session.save_handler=redis,

session.save_path="tcp://192.168.0.120:6379",

3. After the configuration is completed, write a php file and set the session in it. After running, a key will appear in redis, as follows:

At this point, even if the session is set successfully, you can use $_SESSION to read the value just set.

Note: You may encounter redis connection problems in the middle, just turn off the redis protection mode.

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