diff --git a/src/pocketmine/Player.php b/src/pocketmine/Player.php
index 6b4ac7a0e..03c14c760 100644
--- a/src/pocketmine/Player.php
+++ b/src/pocketmine/Player.php
@@ -1694,7 +1694,10 @@ class Player extends Human implements CommandSender, ChunkLoader, IPlayer{
 
 		if($this->spawned){
 			$this->processMovement($tickDiff);
+
+			Timings::$timerEntityBaseTick->startTiming();
 			$this->entityBaseTick($tickDiff);
+			Timings::$timerEntityBaseTick->stopTiming();
 
 			if(!$this->isSpectator() and $this->isAlive()){
 				$this->checkNearEntities($tickDiff);
diff --git a/src/pocketmine/block/BlockFactory.php b/src/pocketmine/block/BlockFactory.php
index 6f41575d6..ec785a99d 100644
--- a/src/pocketmine/block/BlockFactory.php
+++ b/src/pocketmine/block/BlockFactory.php
@@ -375,7 +375,11 @@ class BlockFactory{
 		}
 
 		try{
-			$block = clone self::$fullList[($id << 4) | $meta];
+			if(self::$fullList !== null){
+				$block = clone self::$fullList[($id << 4) | $meta];
+			}else{
+				$block = new UnknownBlock($id, $meta);
+			}
 		}catch(\RuntimeException $e){
 			throw new \InvalidArgumentException("Block ID $id is out of bounds");
 		}
diff --git a/src/pocketmine/block/Dandelion.php b/src/pocketmine/block/Dandelion.php
index 640748a57..dd9e8b58a 100644
--- a/src/pocketmine/block/Dandelion.php
+++ b/src/pocketmine/block/Dandelion.php
@@ -43,7 +43,7 @@ class Dandelion extends Flowable{
 
 	public function place(Item $item, Block $blockReplace, Block $blockClicked, int $face, Vector3 $facePos, Player $player = null) : bool{
 		$down = $this->getSide(Vector3::SIDE_DOWN);
-		if($down->getId() === 2 or $down->getId() === 3 or $down->getId() === 60){
+		if($down->getId() === Block::GRASS or $down->getId() === Block::DIRT or $down->getId() === Block::FARMLAND){
 			$this->getLevel()->setBlock($blockReplace, $this, true, true);
 
 			return true;
diff --git a/src/pocketmine/command/defaults/VersionCommand.php b/src/pocketmine/command/defaults/VersionCommand.php
index 257651765..7854c2eb2 100644
--- a/src/pocketmine/command/defaults/VersionCommand.php
+++ b/src/pocketmine/command/defaults/VersionCommand.php
@@ -86,11 +86,11 @@ class VersionCommand extends VanillaCommand{
 		$desc = $plugin->getDescription();
 		$sender->sendMessage(TextFormat::DARK_GREEN . $desc->getName() . TextFormat::WHITE . " version " . TextFormat::DARK_GREEN . $desc->getVersion());
 
-		if($desc->getDescription() != null){
+		if($desc->getDescription() !== ""){
 			$sender->sendMessage($desc->getDescription());
 		}
 
-		if($desc->getWebsite() != null){
+		if($desc->getWebsite() !== ""){
 			$sender->sendMessage("Website: " . $desc->getWebsite());
 		}
 
diff --git a/src/pocketmine/item/Armor.php b/src/pocketmine/item/Armor.php
index 27f442706..340f647be 100644
--- a/src/pocketmine/item/Armor.php
+++ b/src/pocketmine/item/Armor.php
@@ -26,7 +26,7 @@ namespace pocketmine\item;
 
 abstract class Armor extends Item{
 
-	public function getMaxStackSize(){
+	public function getMaxStackSize() : int{
 		return 1;
 	}
 }
\ No newline at end of file
diff --git a/src/pocketmine/item/Bed.php b/src/pocketmine/item/Bed.php
index fece690a3..1d6b1487b 100644
--- a/src/pocketmine/item/Bed.php
+++ b/src/pocketmine/item/Bed.php
@@ -32,7 +32,7 @@ class Bed extends Item{
 		parent::__construct(self::BED, $meta, "Bed");
 	}
 
-	public function getMaxStackSize(){
+	public function getMaxStackSize() : int{
 		return 1;
 	}
 }
\ No newline at end of file
diff --git a/src/pocketmine/item/BeetrootSoup.php b/src/pocketmine/item/BeetrootSoup.php
index 011846038..041841e03 100644
--- a/src/pocketmine/item/BeetrootSoup.php
+++ b/src/pocketmine/item/BeetrootSoup.php
@@ -29,7 +29,7 @@ class BeetrootSoup extends Food{
 		parent::__construct(self::BEETROOT_SOUP, $meta, "Beetroot Soup");
 	}
 
-	public function getMaxStackSize(){
+	public function getMaxStackSize() : int{
 		return 1;
 	}
 
diff --git a/src/pocketmine/item/Bow.php b/src/pocketmine/item/Bow.php
index 41e019eb5..08313b9c2 100644
--- a/src/pocketmine/item/Bow.php
+++ b/src/pocketmine/item/Bow.php
@@ -51,6 +51,7 @@ class Bow extends Tool{
 	public function onReleaseUsing(Player $player) : bool{
 		if($player->isSurvival() and !$player->getInventory()->contains(ItemFactory::get(Item::ARROW, 0, 1))){
 			$player->getInventory()->sendContents($player);
+			return false;
 		}
 
 		$nbt = new CompoundTag("", [
diff --git a/src/pocketmine/item/Bucket.php b/src/pocketmine/item/Bucket.php
index 86c470453..b906575de 100644
--- a/src/pocketmine/item/Bucket.php
+++ b/src/pocketmine/item/Bucket.php
@@ -37,7 +37,7 @@ class Bucket extends Item{
 		parent::__construct(self::BUCKET, $meta, "Bucket");
 	}
 
-	public function getMaxStackSize(){
+	public function getMaxStackSize() : int{
 		return 1;
 	}
 
diff --git a/src/pocketmine/item/Cake.php b/src/pocketmine/item/Cake.php
index 4ac6544c1..a8ccc8120 100644
--- a/src/pocketmine/item/Cake.php
+++ b/src/pocketmine/item/Cake.php
@@ -32,7 +32,7 @@ class Cake extends Item{
 		parent::__construct(self::CAKE, $meta, "Cake");
 	}
 
-	public function getMaxStackSize(){
+	public function getMaxStackSize() : int{
 		return 1;
 	}
 }
\ No newline at end of file
diff --git a/src/pocketmine/item/IronDoor.php b/src/pocketmine/item/IronDoor.php
index 8fbce996b..518f14c20 100644
--- a/src/pocketmine/item/IronDoor.php
+++ b/src/pocketmine/item/IronDoor.php
@@ -32,7 +32,7 @@ class IronDoor extends Item{
 		parent::__construct(self::IRON_DOOR, $meta, "Iron Door");
 	}
 
-	public function getMaxStackSize(){
+	public function getMaxStackSize() : int{
 		return 1;
 	}
 }
\ No newline at end of file
diff --git a/src/pocketmine/item/Item.php b/src/pocketmine/item/Item.php
index 9f4676fa5..1319721a3 100644
--- a/src/pocketmine/item/Item.php
+++ b/src/pocketmine/item/Item.php
@@ -738,7 +738,7 @@ class Item implements ItemIds, \JsonSerializable{
 	 * Returns the highest amount of this item which will fit into one inventory slot.
 	 * @return int
 	 */
-	public function getMaxStackSize(){
+	public function getMaxStackSize() : int{
 		return 64;
 	}
 
diff --git a/src/pocketmine/item/MushroomStew.php b/src/pocketmine/item/MushroomStew.php
index 8a2db5d08..a3776393d 100644
--- a/src/pocketmine/item/MushroomStew.php
+++ b/src/pocketmine/item/MushroomStew.php
@@ -28,7 +28,7 @@ class MushroomStew extends Food{
 		parent::__construct(self::MUSHROOM_STEW, $meta, "Mushroom Stew");
 	}
 
-	public function getMaxStackSize(){
+	public function getMaxStackSize() : int{
 		return 1;
 	}
 
diff --git a/src/pocketmine/item/Sign.php b/src/pocketmine/item/Sign.php
index 834be4e9a..b8a6e5c77 100644
--- a/src/pocketmine/item/Sign.php
+++ b/src/pocketmine/item/Sign.php
@@ -32,7 +32,7 @@ class Sign extends Item{
 		parent::__construct(self::SIGN, $meta, "Sign");
 	}
 
-	public function getMaxStackSize(){
+	public function getMaxStackSize() : int{
 		return 16;
 	}
 }
\ No newline at end of file
diff --git a/src/pocketmine/item/Snowball.php b/src/pocketmine/item/Snowball.php
index 4a378d947..cd5abcbe4 100644
--- a/src/pocketmine/item/Snowball.php
+++ b/src/pocketmine/item/Snowball.php
@@ -29,7 +29,7 @@ class Snowball extends Item{
 		parent::__construct(self::SNOWBALL, $meta, "Snowball");
 	}
 
-	public function getMaxStackSize(){
+	public function getMaxStackSize() : int{
 		return 16;
 	}
 
diff --git a/src/pocketmine/item/Tool.php b/src/pocketmine/item/Tool.php
index b2b612f30..fe6376f1d 100644
--- a/src/pocketmine/item/Tool.php
+++ b/src/pocketmine/item/Tool.php
@@ -40,7 +40,7 @@ abstract class Tool extends Item{
 	const TYPE_AXE = 4;
 	const TYPE_SHEARS = 5;
 
-	public function getMaxStackSize(){
+	public function getMaxStackSize() : int{
 		return 1;
 	}
 
diff --git a/src/pocketmine/item/WoodenDoor.php b/src/pocketmine/item/WoodenDoor.php
index 3ea688ad3..4402967ab 100644
--- a/src/pocketmine/item/WoodenDoor.php
+++ b/src/pocketmine/item/WoodenDoor.php
@@ -32,7 +32,7 @@ class WoodenDoor extends Item{
 		parent::__construct(self::WOODEN_DOOR, $meta, "Wooden Door");
 	}
 
-	public function getMaxStackSize(){
+	public function getMaxStackSize() : int{
 		return 1;
 	}
 }
\ No newline at end of file
diff --git a/src/pocketmine/level/Level.php b/src/pocketmine/level/Level.php
index fdac6aa92..2a411ede3 100644
--- a/src/pocketmine/level/Level.php
+++ b/src/pocketmine/level/Level.php
@@ -407,49 +407,31 @@ class Level implements ChunkManager, Metadatable{
 
 	public function addSound(Sound $sound, array $players = null){
 		$pk = $sound->encode();
+		if(!is_array($pk)){
+			$pk = [$pk];
+		}
 
 		if($players === null){
-			if($pk !== null){
-				if(!is_array($pk)){
-					$this->addChunkPacket($sound->x >> 4, $sound->z >> 4, $pk);
-				}else{
-					foreach($pk as $e){
-						$this->addChunkPacket($sound->x >> 4, $sound->z >> 4, $e);
-					}
-				}
+			foreach($pk as $e){
+				$this->addChunkPacket($sound->x >> 4, $sound->z >> 4, $e);
 			}
 		}else{
-			if($pk !== null){
-				if(!is_array($pk)){
-					$this->server->broadcastPacket($players, $pk);
-				}else{
-					$this->server->batchPackets($players, $pk, false);
-				}
-			}
+			$this->server->batchPackets($players, $pk, false);
 		}
 	}
 
 	public function addParticle(Particle $particle, array $players = null){
 		$pk = $particle->encode();
+		if(!is_array($pk)){
+			$pk = [$pk];
+		}
 
 		if($players === null){
-			if($pk !== null){
-				if(!is_array($pk)){
-					$this->addChunkPacket($particle->x >> 4, $particle->z >> 4, $pk);
-				}else{
-					foreach($pk as $e){
-						$this->addChunkPacket($particle->x >> 4, $particle->z >> 4, $e);
-					}
-				}
+			foreach($pk as $e){
+				$this->addChunkPacket($particle->x >> 4, $particle->z >> 4, $e);
 			}
 		}else{
-			if($pk !== null){
-				if(!is_array($pk)){
-					$this->server->broadcastPacket($players, $pk);
-				}else{
-					$this->server->batchPackets($players, $pk, false);
-				}
-			}
+			$this->server->batchPackets($players, $pk, false);
 		}
 	}
 
@@ -1637,10 +1619,8 @@ class Level implements ChunkManager, Metadatable{
 		}
 
 		$above = $this->getBlock(new Vector3($target->x, $target->y + 1, $target->z));
-		if($above !== null){
-			if($above->getId() === Item::FIRE){
-				$this->setBlock($above, BlockFactory::get(Block::AIR), true);
-			}
+		if($above->getId() === Item::FIRE){
+			$this->setBlock($above, BlockFactory::get(Block::AIR), true);
 		}
 
 		if($createParticles){
diff --git a/src/pocketmine/permission/BanList.php b/src/pocketmine/permission/BanList.php
index bbbc45134..ab0a12a27 100644
--- a/src/pocketmine/permission/BanList.php
+++ b/src/pocketmine/permission/BanList.php
@@ -101,9 +101,9 @@ class BanList{
 	 */
 	public function addBan(string $target, string $reason = null, \DateTime $expires = null, string $source = null) : BanEntry{
 		$entry = new BanEntry($target);
-		$entry->setSource($source != null ? $source : $entry->getSource());
+		$entry->setSource($source ?? $entry->getSource());
 		$entry->setExpires($expires);
-		$entry->setReason($reason != null ? $reason : $entry->getReason());
+		$entry->setReason($reason ?? $entry->getReason());
 
 		$this->list[$entry->getName()] = $entry;
 		$this->save();
diff --git a/src/pocketmine/tile/Spawnable.php b/src/pocketmine/tile/Spawnable.php
index f77e81d71..6a49b642b 100644
--- a/src/pocketmine/tile/Spawnable.php
+++ b/src/pocketmine/tile/Spawnable.php
@@ -31,11 +31,7 @@ use pocketmine\Player;
 
 abstract class Spawnable extends Tile{
 
-	public function spawnTo(Player $player){
-		if($this->closed){
-			return false;
-		}
-
+	public function createSpawnPacket() : BlockEntityDataPacket{
 		$nbt = new NBT(NBT::LITTLE_ENDIAN);
 		$nbt->setData($this->getSpawnCompound());
 		$pk = new BlockEntityDataPacket();
@@ -43,7 +39,16 @@ abstract class Spawnable extends Tile{
 		$pk->y = $this->y;
 		$pk->z = $this->z;
 		$pk->namedtag = $nbt->write(true);
-		$player->dataPacket($pk);
+
+		return $pk;
+	}
+
+	public function spawnTo(Player $player){
+		if($this->closed){
+			return false;
+		}
+
+		$player->dataPacket($this->createSpawnPacket());
 
 		return true;
 	}
@@ -58,11 +63,8 @@ abstract class Spawnable extends Tile{
 			return;
 		}
 
-		foreach($this->getLevel()->getChunkPlayers($this->chunk->getX(), $this->chunk->getZ()) as $player){
-			if($player->spawned === true){
-				$this->spawnTo($player);
-			}
-		}
+		$pk = $this->createSpawnPacket();
+		$this->level->addChunkPacket($this->chunk->getX(), $this->chunk->getZ(), $pk);
 	}
 
 	protected function onChanged(){