Hello World – Part 3 shows you how to use PHP instead of merge tags and conditional shortcodes

hello-world.php

<?php

/**
 * Template Name: Hello World
 * Version: 0.2
 * Description: A basic "Hello World" PDF template showing custom PDF templates in action
 * Author: Jake Jackson
 * Author URI: https://gravitypdf.com
 * Group: Sol System
 * License: GPLv2
 * Required PDF Version: 4.0
 * Tags: space, solar system, getting started
 */

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

/**
 * All Gravity PDF v4/v5/v6 templates have access to the following variables:
 *
 * @var array  $form      The current Gravity Form array
 * @var array  $entry     The raw entry data
 * @var array  $form_data The processed entry data stored in an array
 * @var object $settings  The current PDF configuration
 * @var array  $fields    An array of Gravity Form fields which can be accessed with their ID number
 * @var array  $config    The initialised template config class – eg. /config/zadani.php
 */

/*
 * 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 <?php echo esc_html( $location ); ?>, <?php echo esc_html( $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; ?>