v 1.4.0

- Updated local libraries
- PHP 7.1 support
- New, proper caching method
- Special cache folder

include/cacheutils.class.php

@@ -0,0 +1,49 @@
+<?php
+require_once __DIR__ . "/../lib/phpfastcache/src/autoload.php";
+
+use phpFastCache\CacheManager;
+use phpFastCache\Util\Languages;
+
+class CacheUtils {
+
+    private $cacheInstance;
+    private $cacheItem;
+    private $key;
+
+    function __construct($key) {
+
+        if(!is_string($key))
+            throw new InvalidArgumentException("Key must be a string");
+
+        $this->cacheInstance = CacheManager::getInstance('Files', ["path" => __DIR__ . '/../cache']);
+        Languages::setEncoding();
+        $this->cacheItem = $this->cacheInstance->getItem($key);
+        $this->key = $key;
+    }
+
+    public function getCacheInstance() {
+        return $this->cacheInstance;
+    }
+
+    public function getCacheItem() {
+        return $this->cacheItem;
+    }
+
+    public function getValue() {
+        return $this->cacheItem->get();
+    }
+
+    public function setValue($value, $expireTime) {
+        $this->cacheItem = $this->cacheItem->set($value)->expiresAfter($expireTime);
+        $this->cacheInstance->save($this->cacheItem);
+    }
+
+    public function isExpired() {
+        return !$this->cacheItem->isHit();
+    }
+
+    public function remove() {
+        $this->cacheInstance->deleteItem($this->key);
+    }
+
+}