What are some best practices for handling user login functionality in PHP, specifically in terms of securely storing and verifying passwords?

To securely store and verify passwords in PHP, it is recommended to use password hashing functions like password_hash() and password_verify(). This ensures that passwords are securely stored in a hashed format and can be easily verified during login attempts. 

// Hashing the password before storing it in the database
$password = $_POST['password'];
$hashed_password = password_hash($password, PASSWORD_DEFAULT);

// Storing the hashed password in the database

// Verifying the password during login
$login_password = $_POST['login_password'];
$stored_hashed_password = ''; // Retrieve hashed password from the database

if(password_verify($login_password, $stored_hashed_password)) {
    // Password is correct, proceed with login
} else {
    // Password is incorrect, show error message
}

Keywords

password hashing password_verify bcrypt password_hash password salting

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