How can PHP be integrated with HTML forms to create interactive web applications?

To integrate PHP with HTML forms to create interactive web applications, you can use PHP to process form data submitted by users, validate input, and interact with databases. By embedding PHP code within HTML form elements, you can dynamically generate content based on user input. 

<?php
if ($_SERVER["REQUEST_METHOD"] == "POST") {
    $name = $_POST['name'];
    $email = $_POST['email'];

    // Process the form data, perform validation, and interact with databases here

    echo "Hello, " . $name . "! Your email is: " . $email;
}
?>

<form method="post" action="<?php echo htmlspecialchars($_SERVER["PHP_SELF"]); ?>">
    Name: <input type="text" name="name"><br>
    Email: <input type="email" name="email"><br>
    <input type="submit" value="Submit">
</form>

Keywords

PHP HTML forms integration interactive web applications libraries

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