jsonp-comics.php

<?php
header('Content-Type: application/json');

$callback = isset($_GET['callback']) ? $_GET['callback'] : false;
$comicId = isset($_GET['id']) && is_numeric($_GET['id']) ? $_GET['id'] : null;

$comics = array(
	array('id'=>19242,'title'=>'Star Wars'),
	array('id'=>19379,'title'=>'Darth Vader'),
	array('id'=>19631,'title'=>'Princess Leia'),
	array('id'=>19486,'title'=>'Kanan The Last Padawan')
);

if ($comicId) {
	switch ($comicId) {
		case 19242:
			$output = array('id'=>19242,'title'=>'Star Wars','description'=>'Following the heroes of the Rebel Alliance between the events of Star Wars: Episode IV A New Hope and Star Wars: Episode V The Empire Strikes Back.','characters'=>array('Luke Skywalker', 'Han Solo', 'Princess Leia Organa', 'Chewbacca', 'R2-D2', 'C-3PO'));
			break;
		case 19379:
			$output = array('id'=>19379,'title'=>'Darth Vader','description'=>'Following Darth Vader between the events of Star Wars: Episode IV A New Hope and Star Wars: Episode V The Empire Strikes Back','characters'=>array('Darth Vader', 'Dr. Aphra', 'BT-1', '0-0-0'));
			break;
		case 19631:
			$output = array('id'=>19631,'title'=>'Princess Leia','description'=>'Beginning during the award ceremony in the Rebel base on Yavin 4, picking up moments after Star Wars: Episode IV A New Hope left off.','characters'=>array('Princess Leia Organa', 'Evaan Verlaine', 'R2-D2'));
			break;
		case 19486:
			$output = array('id'=>19486,'title'=>'Kanan The Last Padawan','description'=>'Prequel to the animated television series Star Wars Rebels, telling the story of Kanan Jarrus in the aftermath of Order 66.','characters'=>array('Kanan Jarrus', 'Caleb Dume', 'Jedi Master Depa Billaba'));
			break;
	}
} else {
	$output = $comics;
}

$output = json_encode($output);

if ($callback) {
	echo sprintf('%s(%s)', $callback, $output);
} else {
	echo $output;
}