Lesson 7 of 8
Forms & Superglobals
PHP collects form data through superglobals: $_GET (URL parameters), $_POST (form submissions), and $_REQUEST (both). Always validate and sanitize user input.
PHP
<?php
// form.php sends data via POST
$name = $_POST["name"] ?? "";
$email = $_POST["email"] ?? "";
// Sanitize
$safeName = htmlspecialchars($name);
?>
<!-- HTML form -->
<form method="POST" action="process.php">
<input type="text" name="name">
<button type="submit">Send</button>
</form>