<?php
error_reporting(0);
$callback = $_REQUEST['callback'];
+if ( ! $callback ) {
+ $callback = explode("?",end(explode("/",$_SERVER['REQUEST_URI'])));
+ $callback = $callback[0];
+}
$json = $_REQUEST['json'];
if($json) {
echo $callback . '([ {"name": "John", "age": 21}, {"name": "Peter", "age": 25 } ])';