Added GarbageCollectionTask, workaround for weird PHP behaviour when using --disable-ansi

src/pocketmine/Server.php

@@ -86,6 +86,7 @@ use pocketmine\plugin\Plugin;
 use pocketmine\plugin\PluginLoadOrder;
 use pocketmine\plugin\PluginManager;
 use pocketmine\scheduler\CallbackTask;
+use pocketmine\scheduler\GarbageCollectionTask;
 use pocketmine\scheduler\SendUsageTask;
 use pocketmine\scheduler\ServerScheduler;
 use pocketmine\tile\Chest;
@@ -1688,6 +1689,8 @@ class Server{
 			$this->scheduler->scheduleDelayedRepeatingTask(new CallbackTask([$this, "doLevelGC"]), $this->getProperty("chunk-gc.period-in-ticks", 600), $this->getProperty("chunk-gc.period-in-ticks", 600));
 		}
 
+		$this->scheduler->scheduleRepeatingTask(new GarbageCollectionTask(), 900);
+
 		$this->enablePlugins(PluginLoadOrder::POSTWORLD);
 
 		$this->start();

src/pocketmine/scheduler/GarbageCollectionTask.php

@@ -0,0 +1,32 @@
+<?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
+
+ *
+ *
+*/
+
+namespace pocketmine\scheduler;
+
+class GarbageCollectionTask extends Task{
+
+	public function onRun($currentTicks){
+		gc_collect_cycles();
+		memory_get_usage();
+		memory_get_usage(true);
+	}
+
+}