Creating a JSONP Data Provider in PHP
PHP 5.2 or PECL json 1.2 has the ability to convert data structures into JSON:
$data = array(‘zero’, ‘one’, ‘two’, ‘three’);
$json = json_encode($data);
echo $json
However, if you are deploying to a lowered PHP version, either because your hosting provider hasn’t caught up or you’re using Red Hat Enterprise (even the latest 5.3 only has PHP 5.1.2), then [...]