<?php
//Configuration
$cache_time = 60*3;        //second
$cache_file = "cache/".md5($_SERVER['REQUEST_URI']); 
 
if(file_exists($cache_file)) {
    if((time()-filemtime($cache_file)) < $cache_time) {
        $cache_data = file_get_contents($cache_file);
        if (!(strlen($cache_data) < 18 || strcmp(substr($cache_data,0,2),"\x1f\x8b"))) header( 'Content-Encoding: gzip' );
        echo $cache_data;