107 lines
2.9 KiB
PHP
107 lines
2.9 KiB
PHP
|
<?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;
|
||
|
|
}
|
||
|
|
}
|