gistfile1.txt

<?php
/**
 * @package Cache Wrapper
 * @version 1.0
 */
/*
Plugin Name: Cache Wrapper
Version: 1.0
*/

function hip_cache_wrapper()
{
  	if ($_GET[cached_json])
			{
				$request_uri = $_SERVER['REQUEST_URI'];
				$modified_uri = 'http://' . $_SERVER['HTTP_HOST'] . str_replace('cached_json','json',$request_uri);
				$cachekey = "jsoncachez-" . md5($modified_uri);
				$result = wp_cache_get( $cachekey );
				if ( false === $result ) 
				{
					$mela = wp_remote_get($modified_uri,array('timeout'=>600)) ;
				    $result = wp_remote_retrieve_body($mela );
					wp_cache_set( $cachekey, $result );
				} 
				print $result; 
				die; 
			}
}
add_action('init','hip_cache_wrapper'); 



?>