What are the potential issues with starting multiple sessions in PHP scripts?

Potential issues with starting multiple sessions in PHP scripts include conflicts with session variables, increased server resource usage, and potential security vulnerabilities. To solve this issue, you can use session_id() to check if a session has already been started before starting a new one. 

if(session_id() == '') {
    session_start();
}

Keywords

session_start session handling concurrency race condition session locking

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