How can PHP and JavaScript be effectively used together to handle form submissions and database insertion?

When handling form submissions and database insertion, PHP can be used to process the form data and interact with the database, while JavaScript can be used to enhance the user experience by providing client-side validation and feedback. To effectively use both languages together, you can have JavaScript validate the form inputs before submitting the data to a PHP script that inserts the data into the database. 

<?php
// Check if form is submitted
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    // Retrieve form data
    $name = $_POST['name'];
    $email = $_POST['email'];
    // Connect to database
    $conn = new mysqli("localhost", "username", "password", "database");
    // Insert data into database
    $sql = "INSERT INTO users (name, email) VALUES ('$name', '$email')";
    $conn->query($sql);
    // Close database connection
    $conn->close();
    echo "Data inserted successfully!";
}
?>

Keywords

PHP JavaScript form submissions database insertion integration

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