PHP Handling JSONP requests

php_jsonp.php

<?php
$response = array(
	array(
		'title' => "My article 1",
		'content' => 'Lorem lorem'
	),
	array(
		'title' => "My article 2",
		'content' => 'Lorem lorem'
	)
);

header('Content-Type: application/json; charset=utf8');

$json = json_encode($response);
if (array_key_exists('callback', $_GET))
{
	echo $_GET['callback'] . '(' . $json . ')';
} 
else 
{
	echo $json;
}