How can form submission in PHP be utilized to pass variables without user interaction?

To pass variables without user interaction in PHP form submission, you can use hidden input fields within the form. These hidden input fields can contain the variables you want to pass, and they will be submitted along with the rest of the form data without the user seeing or interacting with them. 

```php
<form method="post" action="process.php">
    <input type="hidden" name="variable1" value="value1">
    <input type="hidden" name="variable2" value="value2">
    <!-- Other form fields here -->
    <input type="submit" value="Submit">
</form>
```

In the `process.php` file, you can access these hidden input values using `$_POST['variable1']` and `$_POST['variable2']`.

Keywords

PHP form submission variables pass user interaction

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