diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index 85265c25a7..b6e91472c4 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -863,7 +863,7 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 
 			$time = $this->level->getTime() % Level::TIME_FULL;
 
-			if($time >= Level::TIME_NIGHT and $time < Level::TIME_SUNRISE);{
+			if($time >= Level::TIME_NIGHT and $time < Level::TIME_SUNRISE){
 				foreach($this->level->getPlayers() as $p){
 					if($p->sleeping === false){
 						return;
@@ -2424,6 +2424,9 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 
 			case EntityDamageEvent::CAUSE_BLOCK_EXPLOSION:
 			case EntityDamageEvent::CAUSE_ENTITY_EXPLOSION:
+				$message = $this->getName() . " blew up";
+				break;
+			
 			case EntityDamageEvent::CAUSE_MAGIC:
 			case EntityDamageEvent::CAUSE_CUSTOM:
 
@@ -2617,4 +2620,4 @@ class Player extends Human implements CommandSender, InventoryHolder, IPlayer{
 	}
 
 
-}
\ No newline at end of file
+}
diff --git a/src/pocketmine/Server.php b/src/pocketmine/Server.php
index 1e3272ab3f..b4700540b7 100644
--- a/src/pocketmine/Server.php
+++ b/src/pocketmine/Server.php
@@ -1988,7 +1988,7 @@ class Server{
 	}
 
 	public function __debugInfo(){
-		return get_class($this);
+		return [];
 	}
 
 	private function tickProcessor(){
diff --git a/src/pocketmine/entity/Entity.php b/src/pocketmine/entity/Entity.php
index 80209d80ca..2ebce59fcf 100644
--- a/src/pocketmine/entity/Entity.php
+++ b/src/pocketmine/entity/Entity.php
@@ -1175,7 +1175,7 @@ abstract class Entity extends Location implements Metadatable{
 	}
 
 	public function close(){
-		if($this->closed === false){
+		if(!$this->closed){
 			$this->server->getPluginManager()->callEvent(new EntityDespawnEvent($this));
 			$this->closed = true;
 			unset($this->level->updateEntities[$this->id]);
diff --git a/src/pocketmine/level/Explosion.php b/src/pocketmine/level/Explosion.php
index 4be81852b7..c22441dab6 100644
--- a/src/pocketmine/level/Explosion.php
+++ b/src/pocketmine/level/Explosion.php
@@ -205,7 +205,7 @@ class Explosion{
 				$tnt->spawnToAll();
 			}elseif(mt_rand(0, 100) < $yield){
 				foreach($block->getDrops($air) as $drop){
-					$this->level->dropItem($block, Item::get(...$drop));
+					$this->level->dropItem($block->add(0.5, 0.5, 0.5), Item::get(...$drop));
 				}
 			}
 			$this->level->setBlockIdAt($block->x, $block->y, $block->z, 0);
diff --git a/src/pocketmine/level/format/anvil/Chunk.php b/src/pocketmine/level/format/anvil/Chunk.php
index 0373a0d567..1fccad31f0 100644
--- a/src/pocketmine/level/format/anvil/Chunk.php
+++ b/src/pocketmine/level/format/anvil/Chunk.php
@@ -170,7 +170,7 @@ class Chunk extends BaseChunk{
 		$entities = [];
 
 		foreach($this->getEntities() as $entity){
-			if(!($entity instanceof Player) and $entity->closed !== true){
+			if(!($entity instanceof Player) and !$entity->closed){
 				$entity->saveNBT();
 				$entities[] = $entity->namedtag;
 			}
diff --git a/src/pocketmine/tile/Tile.php b/src/pocketmine/tile/Tile.php
index 2444e6b337..b87fd6a43b 100644
--- a/src/pocketmine/tile/Tile.php
+++ b/src/pocketmine/tile/Tile.php
@@ -49,7 +49,7 @@ abstract class Tile extends Position{
 	public $z;
 	public $attach;
 	public $metadata;
-	public $closed;
+	public $closed = false;
 	public $namedtag;
 	protected $lastUpdate;
 	protected $server;
@@ -69,7 +69,6 @@ abstract class Tile extends Position{
 		$this->chunk = $chunk;
 		$this->setLevel($chunk->getProvider()->getLevel());
 		$this->namedtag = $nbt;
-		$this->closed = false;
 		$this->name = "";
 		$this->lastUpdate = microtime(true);
 		$this->id = Tile::$tileCount++;
@@ -112,7 +111,7 @@ abstract class Tile extends Position{
 	}
 
 	public function close(){
-		if($this->closed === false){
+		if(!$this->closed){
 			$this->closed = true;
 			unset($this->level->updateTiles[$this->id]);
 			if($this->chunk instanceof FullChunk){