Added base Cache class for integrated caching

src/PocketMinecraftServer.php

@@ -108,6 +108,7 @@ class PocketMinecraftServer{
 		}
 		$this->schedule(20 * 15, array($this, "checkTicks"), array(), true);
 		$this->schedule(20 * 60, array($this, "checkMemory"), array(), true);
+		$this->schedule(20 * 45, "Cache::cleanup", array(), true);
 		$this->schedule(20, array($this, "asyncOperationChecker"), array(), true);
 	}
 	

src/utils/Cache.php

@@ -0,0 +1,53 @@
+<?php
+
+/**
+ *
+ *  ____            _        _   __  __ _                  __  __ ____  
+ * |  _ \ ___   ___| | _____| |_|  \/  (_)_ __   ___      |  \/  |  _ \ 
+ * | |_) / _ \ / __| |/ / _ \ __| |\/| | | '_ \ / _ \_____| |\/| | |_) |
+ * |  __/ (_) | (__|   <  __/ |_| |  | | | | | |  __/_____| |  | |  __/ 
+ * |_|   \___/ \___|_|\_\___|\__|_|  |_|_|_| |_|\___|     |_|  |_|_| 
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Lesser General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * @author PocketMine Team
+ * @link http://www.pocketmine.net/
+ * 
+ *
+*/
+
+class Cache{
+	public static $cached = array();
+	
+	public static function add($identifier, $blob, $minTTL = 30){
+		self::$cached[$identifier] = array($blob, microtime(true) + $minTTL);
+	}
+	
+	public static function get($identifier){
+		if(isset(self::$cached[$identifier])){
+			return self::$cached[$identifier][0];
+		}
+		return false;
+	}
+	
+	public static function exists($identifier){
+		return isset(self::$cached[$identifier]);
+	}
+	
+	public static function remove($identifier){
+		unset(self::$cached[$identifier]);
+	}
+	
+	public static function cleanup(){
+		$time = microtime(true);
+		foreach(self::$cached as $index => $data){
+			if($data[1] < $time){
+				unset(self::$cached[$index]);
+			}
+		}
+	}
+
+}