How can PHP form actions be used to pass data to multiple functions in different files?

To pass data to multiple functions in different files using PHP form actions, you can utilize sessions to store the data temporarily and access it in other files. By storing the form data in session variables, you can easily retrieve and use the data in various functions across different files.

// File 1: process_form.php
session_start();
$_SESSION['form_data'] = $_POST;

// File 2: function1.php
session_start();
$form_data = $_SESSION['form_data'];
function1($form_data);

// File 3: function2.php
session_start();
$form_data = $_SESSION['form_data'];
function2($form_data);