<?php

    class Cache{
    private $folder = 'cache';
    private $timeout = 3600; //1hora
    private $name;

      public function __construct($file, $timeout){
            $this->name = $file;
           $this->timeout = $timeout;
            if($this->check()){
                 $this->createCache();
            }
       }

     public function getPathFileName(){
         return sprintf('%s/%s', $this->folder, md5($this->name));
    }
      public function check(){
          $file = $this->getPathFileName();
          if(file_exists($file) && ( fileatime ( $file ) + $this->timeout) > time()) {
             return true;
          }else{
            return false;
          }
    }

    public function createCache(){
            ob_start();
            include_once($this->name);
            file_put_contents($this->getPathFileName(),  ob_get_clean());
    }

    public function getContent(){
          return file_get_contents($this->getPathFileName());
    }

}

?>