In PHP, what methods can be used to process and store form data based on user input and selections?

To process and store form data based on user input and selections in PHP, you can use the $_POST superglobal to retrieve the form data submitted by the user. You can then sanitize and validate the data before storing it in a database or performing any other actions based on the user input. 

if ($_SERVER["REQUEST_METHOD"] == "POST") {
    // Retrieve form data
    $name = $_POST['name'];
    $email = $_POST['email'];
    
    // Sanitize and validate data
    $name = filter_var($name, FILTER_SANITIZE_STRING);
    $email = filter_var($email, FILTER_VALIDATE_EMAIL);
    
    // Store data in database or perform other actions
    // Example: store data in a database
    $db = new mysqli('localhost', 'username', 'password', 'database');
    $query = "INSERT INTO users (name, email) VALUES ('$name', '$email')";
    $result = $db->query($query);
    
    if ($result) {
        echo "Data stored successfully!";
    } else {
        echo "Error storing data!";
    }
}

Keywords

form data processing user input PHP methods data storage form validation

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