How can one ensure that parameters passed in PHP scripts are not visible in the browser's URL field?

To ensure that parameters passed in PHP scripts are not visible in the browser's URL field, you can use POST method instead of GET method to send data. This way, the data will be sent in the request body rather than in the URL, making it less visible to users. 

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

In the process.php file, you can access the data using $_POST superglobal like this:

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

Keywords

PHP POST method form submission $_POST superglobal data security

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