What are common pitfalls when using multiple if statements in PHP code for user authentication?

Common pitfalls when using multiple if statements for user authentication in PHP include code redundancy, decreased readability, and potential security vulnerabilities if not properly structured. To address these issues, it's recommended to use a switch statement or a more organized approach like using functions or classes to handle authentication logic. 

// Example of using a switch statement for user authentication
$userRole = 'admin';

switch ($userRole) {
    case 'admin':
        // Admin authentication logic
        break;
    case 'user':
        // User authentication logic
        break;
    default:
        // Default authentication logic
        break;
}

Keywords

PHP if statements user authentication security vulnerabilities code optimization

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