SuperSmash_Framework/system/SuperSmash/library/cache.php

107 lines
2.9 KiB
PHP
Raw Normal View History

2018-12-19 20:44:16 +01:00
<?php
/**************************************/
/**** SuperSmash Framework ****/
/**** Created By SuperSmash ****/
/**** Started on: 25-04-2012 ****/
/**************************************/
namespace system\library;
use settings\settings;
if (!defined("SUPERSMASH_FRAMEWORK")){die("You cannot access this page directly!");}
class Cache
{
protected $path;
// Create the contructor
public function __construct()
{
$this->path = settings::getFilePath() . DS . settings::getApp() . DS . 'cache';
}
// This function will set the cache path
public function set_path($path)
{
// Remove any trailing slashes
$path = rtrim($path, '/');
$this->path = str_replace( array('\\', '/'), DS, $path );
}
// This function will read and returns the contents of the cached file
public function get($id)
{
// Define a file path
$file = $this->path . DS . $id . '.cache';
// check if our file exists
if(file_exists($file))
{
// Get our file contents and Unserialize our data
$data = file_get_contents($file);
$data = unserialize($data);
// Check out expire time, if expired, remove the file
if($data['expire_time'] < time())
{
unlink($file);
return false;
}
return $data['data'];
}
return false;
}
// This function will save the contents into the given file id.
public function save($id, $contents, $expire = 86400)
{
// Define a file path
$file = $this->path . DS . $id . '.cache';
// Create the files contents
$data = array(
'expire_time' => (time() + $expire),
'data' => $contents
);
// Save file and contents
if(file_put_contents( $file, serialize($data) ))
{
// Try to put read/write permissions on the new file
@chmod($file, 0777);
return true;
}
return false;
}
// This function will delete a cached file
public function delete($id)
{
// Define a file path
$file = $this->path . DS . $id . '.cache';
// Return the direct result of the deleting
return unlink($file);
}
// This function will delete all the cached files
public function clear()
{
// get a list of all files and directories
$files = scandir($this->path);
foreach($files as $file)
{
// Define a file path
$file = $this->path . DS . $file;
// We only want to delete the the cache files, not subfolders
if($file[0] != "." && $file != 'index.html')
{
unlink($file); //Remove the file
}
}
return true;
}
}