first commit

modules/ets_megamenu/classes/MM_Cache.php

@@ -0,0 +1,62 @@
+<?php
+/**
+* 2007-2021 ETS-Soft
+*
+* NOTICE OF LICENSE
+*
+* This file is not open source! Each license that you purchased is only available for 1 wesite only.
+* If you want to use this file on more websites (or projects), you need to purchase additional licenses.
+* You are not allowed to redistribute, resell, lease, license, sub-license or offer our resources to any third party.
+*
+* DISCLAIMER
+*
+* Do not edit or add to this file if you wish to upgrade PrestaShop to newer
+* versions in the future. If you wish to customize PrestaShop for your
+* needs please contact us for extra customization service at an affordable price
+*
+* @author ETS-Soft <etssoft.jsc@gmail.com>
+* @copyright 2007-2021 ETS-Soft
+* @license Valid for 1 website (or project) for each purchase of license
+* International Registered Trademark & Property of ETS-Soft
+*/
+
+class MM_Cache { 
+	private $expire = 1; 
+    public function __construct()
+    {
+        $this->expire = (int)Configuration::get('ETS_MM_CACHE_LIFE_TIME') >=1 ? (int)Configuration::get('ETS_MM_CACHE_LIFE_TIME') : 1;
+    }
+	public function get($key) {
+		$files = glob(dirname(__FILE__).'/../cache/' . 'cache.' . preg_replace('/[^A-Z0-9\._-]/i', '', $key) . '.*');        
+		if ($files) {
+			$cache = Tools::file_get_contents($files[0]);
+            foreach ($files as $file) {
+				$time = (int)Tools::substr(strrchr($file, '.'), 1);
+      			if ($time*3600 < time()) {
+					if (file_exists($file)) {
+						@unlink($file);
+					}
+      			}
+    		}			
+			return $cache;			
+		}
+        return false;
+	}
+  	public function set($key, $value) {
+    	$this->delete($key);		
+		$file = dirname(__FILE__).'/../cache/'  . 'cache.' . preg_replace('/[^A-Z0-9\._-]/i', '', $key) . '.' . (time() + (int)$this->expire*3600);    	
+		$handle = fopen($file, 'w');
+    	fwrite($handle, $value ? $value : '');		
+    	fclose($handle);
+  	}	
+  	public function delete($key = false) {
+		$files = glob(dirname(__FILE__).'/../cache/'  . ($key ? 'cache.' . preg_replace('/[^A-Z0-9\._-]/i', '', $key) : '') . '.*');		
+		if ($files) {
+    		foreach ($files as $file) {
+      			if (file_exists($file) && strpos($file,'index.php')===false) {
+					unlink($file);
+				}
+    		}
+		}
+  	}
+}