What is the difference between using GET and POST methods in PHP for form data submission?

When submitting form data in PHP, the main difference between using the GET and POST methods lies in how the data is sent. GET appends the form data to the URL, making it visible in the address bar and suitable for retrieving data, while POST sends the data in the background, making it more secure and suitable for sensitive information. 

<form method="post" action="process_form.php">
  <input type="text" name="username">
  <input type="password" name="password">
  <button type="submit">Submit</button>
</form>
```

In the PHP script "process_form.php," you can retrieve the form data using the $_POST superglobal array:

```php
$username = $_POST['username'];
$password = $_POST['password'];

Keywords

GET POST PHP form data submission

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