What are some common pitfalls in PHP login and registration systems that could lead to redirection errors?

One common pitfall in PHP login and registration systems that could lead to redirection errors is not properly handling redirects after a successful login or registration. This can result in users being stuck on a blank page or redirected to the wrong location. To solve this issue, ensure that after a successful login or registration, users are redirected to the appropriate page. 

// Example code snippet to handle redirection after successful login
if ($login_successful) {
    header("Location: dashboard.php");
    exit();
}

Keywords

SQL injection session hijacking cross-site scripting password hashing header redirection

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