How can separating the login logic into a separate PHP file improve code readability and maintenance?

Separating the login logic into a separate PHP file improves code readability and maintenance by isolating the login functionality into its own file. This makes the code easier to understand, update, and debug. It also promotes code reusability as the login logic can be easily included in other parts of the application. 

// login.php

// Include this file in your main code where login functionality is needed

function login($username, $password) {
    // Login logic here
}

// Example usage:
$username = $_POST['username'];
$password = $_POST['password'];

if(login($username, $password)) {
    // Successful login
} else {
    // Failed login
}

Keywords

PHP separation of concerns code readability maintenance login logic

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