Is it possible to achieve 100% user identification accuracy in PHP applications, considering factors like dynamic IP addresses and network configurations?

Achieving 100% user identification accuracy in PHP applications can be challenging due to factors like dynamic IP addresses and network configurations. One way to improve accuracy is by using a combination of techniques such as user authentication, session management, and tracking user behavior. 

// Example code for user identification using session management
session_start();

if(isset($_SESSION['user_id'])){
    $user_id = $_SESSION['user_id'];
    // Perform actions for identified user
} else {
    // Redirect to login page or handle unidentified user
}

Keywords

user identification accuracy dynamic IP addresses network configurations PHP applications

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