First public release of MyAAC

system/libs/cache_file.php

@@ -0,0 +1,62 @@
+<?php
+/**
+ * File cache class
+ *
+ * @package   MyAAC
+ * @author    Slawkens <slawkens@gmail.com>
+ * @copyright 2017 MyAAC
+ * @version   0.0.1
+ * @link      http://my-aac.org
+ */
+defined('MYAAC') or die('Direct access not allowed!');
+
+class Cache_File
+{
+	private $prefix = '';
+	private $dir = '';
+	private $enabled;
+
+	public function __construct($prefix = '', $dir = '') {
+		$this->prefix = $prefix;
+		$this->dir = $dir;
+		$this->enabled = (file_exists($this->dir) && is_dir($this->dir) && is_writable($this->dir));
+	}
+
+	public function set($key, $var, $ttl = 0)
+	{
+		$file = $this->_name($key);
+		file_put_contents($file, $var);
+		if($ttl != 0)
+			touch($file, time() + $ttl);
+		else
+			touch($file, time() + 24 * 60 * 60);
+	}
+
+	public function get($key)
+	{
+		$tmp = '';
+		if($this->fetch($key, $tmp))
+			return $tmp;
+
+		return '';
+	}
+
+	public function fetch($key, &$var)
+	{
+		$file = $this->_name($key);
+		if(!file_exists($file) || filemtime($file) < time())
+			return false;
+
+		$var = file_get_contents($file);
+		return true;
+	}
+
+	public function enabled() {
+		return $this->enabled;
+	}
+
+	private function _name($key) {
+		return sprintf("%s/%s%s", $this->dir, $this->prefix, sha1($key));
+	}
+}
+?>