Our completed Part 4 Hello World Tutorial

hello-world.php

<?php

/**
 * Template Name: Hello World
 * Version: 0.1
 * Description: A basic "Hello World" PDF template showing custom PDF templates in action
 * Author: Jake Jackson
 * Group: Sol System
 * License: GPLv2
 * Required PDF Version: 4.0-beta
 */

/* Prevent direct access to the template (always good to include this) */
if ( ! class_exists( 'GFForms' ) ) {
    return;
}

/**
 * Load our template-specific settings
 */
$show_meta_data = ! empty( $settings['world_show_meta_data'] ) ? $settings['world_show_meta_data'] : 'No';

/**
 * Include your PHP variables in this section
 */
$location = $form_data['field'][3];
$name     = $form_data['field'][1]['first'];

?>

<!-- Any PDF CSS styles can be placed in the style tag below -->
<style>
    h1 {
        text-align: center;
        text-transform: uppercase;
        color: #a62828;
        border-bottom: 1px solid #999;
    }
</style>

<h1>Hello World</h1>

<p>You're from <?= $location; ?>, <?= $name; ?>? How cool is that!</p>

<?php if ( $location === 'Earth' ): ?>
	<p>The birth-rate on Earth has dropped almost 25% in the past 50 years due to colonisation of the solar system.</p>
<?php endif; ?>

<?php if ( $location === 'Moon' ): ?>
	<p>The lunar colony was first established in 2115 with a population of 200. Now it supports over 900,000 people.</p>
<?php endif; ?>

<?php if ( $location === 'Mars' ): ?>
	<p>Mars was the second body to be colonised in the solar system in 2135, 20 years after the moon.</p>
<?php endif; ?>

<?php if ( $location === 'Titan' ): ?>
	<p>Titan's colony is only recently established. You're one of only 500 people currently living there!</p>
<?php endif; ?>

<?php if ( $show_meta_data === 'Yes' ): ?>
	<p>
		<strong>User IP:</strong> <?php echo $form_data['misc']['ip']; ?><br>
		<strong>Submission Timestamp:</strong> <?php echo $form_data['misc']['date_time']; ?><br>
		<strong>User Agent:</strong> <?php echo $form_data['misc']['user_agent']; ?><br>
		<strong>Source URL:</strong> <?php echo $form_data['misc']['source_url']; ?>
	</p>
<?php endif; ?>