What are the potential drawbacks of using multiple sessions in PHP?

Potential drawbacks of using multiple sessions in PHP include increased server resource usage and potential conflicts between different session variables. To avoid these issues, it's recommended to carefully manage session variables and limit the number of active sessions. 

// Limit the number of active sessions
session_start();
if(count($_SESSION) > 10) {
    session_destroy();
}

Keywords

session management PHP security risks performance impact session hijacking

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