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