How can hidden fields be utilized in PHP forms to pass data between requests?

Hidden fields in PHP forms can be utilized to pass data between requests by including them in the form as hidden inputs. This allows you to store values that you want to carry over from one request to another without displaying them to the user. When the form is submitted, the hidden fields will be included in the request data, allowing you to access the values in the subsequent request. 

<form method="post" action="process.php">
    <input type="hidden" name="hidden_field" value="hidden_value">
    <!-- Other form inputs here -->
    <button type="submit">Submit</button>
</form>
```

In the `process.php` file, you can access the value of the hidden field like this:

```php
$hiddenValue = $_POST['hidden_field'];

Keywords

hidden fields PHP forms data passing requests form submission

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