What are best practices for error handling and data management in PHP scripts, specifically in the context of Session management?

When handling errors and managing data in PHP scripts, especially in the context of Session management, it is important to properly validate and sanitize user input to prevent security vulnerabilities. Additionally, implementing try-catch blocks for error handling and using built-in PHP functions for session management can help ensure the security and reliability of your scripts. 

// Start the session
session_start();

// Validate and sanitize user input
if(isset($_POST['username'])) {
    $username = filter_var($_POST['username'], FILTER_SANITIZE_STRING);
} else {
    // Handle error
}

// Implement try-catch block for error handling
try {
    // Your code here
} catch(Exception $e) {
    // Handle error
}

// Use built-in PHP functions for session management
$_SESSION['username'] = $username;

Keywords

try-catch error_reporting $_SESSION session_start exception handling

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