Strict type all the things and fix lots of assorted bugs exposed by strict types (#993)

Strict type all the things

src/pocketmine/Achievement.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine;
 
 use pocketmine\event\TranslationContainer;
@@ -108,7 +110,7 @@ abstract class Achievement{
 	public static function broadcast(Player $player, $achievementId){
 		if(isset(Achievement::$list[$achievementId])){
 			$translation = new TranslationContainer("chat.type.achievement", [$player->getDisplayName(), TextFormat::GREEN . Achievement::$list[$achievementId]["name"] . TextFormat::RESET]);
-			if(Server::getInstance()->getConfigString("announce-player-achievements", true) === true){
+			if(Server::getInstance()->getConfigBoolean("announce-player-achievements", true) === true){
 				Server::getInstance()->broadcastMessage($translation);
 			}else{
 				$player->sendMessage($translation);

src/pocketmine/Collectable.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine;
 
 abstract class Collectable extends \Threaded implements \Collectable{

src/pocketmine/CrashDump.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine;
 
 use pocketmine\network\mcpe\protocol\ProtocolInfo;

src/pocketmine/IPlayer.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine;
 
 use pocketmine\permission\ServerOperator;

src/pocketmine/MemoryManager.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine;
 
 use pocketmine\event\server\LowMemoryEvent;

src/pocketmine/OfflinePlayer.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine;
 
 use pocketmine\metadata\Metadatable;

src/pocketmine/Player.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine;
 
 use pocketmine\block\Air;
@@ -839,6 +841,7 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 			$X = null;
 			$Z = null;
 			Level::getXZ($index, $X, $Z);
+			assert(is_int($X) and is_int($Z));
 
 			++$count;
 
@@ -900,7 +903,7 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 				$this->getDisplayName()
 			])
 		));
-		if(strlen(trim($ev->getJoinMessage())) > 0){
+		if(strlen(trim((string) $ev->getJoinMessage())) > 0){
 			$this->server->broadcastMessage($ev->getJoinMessage());
 		}
 
@@ -1806,7 +1809,7 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 
 		$this->allowFlight = (bool) ($this->gamemode & 0x01);
 
-		if(($level = $this->server->getLevelByName($this->namedtag["Level"])) === null){
+		if(($level = $this->server->getLevelByName((string) $this->namedtag["Level"])) === null){
 			$this->setLevel($this->server->getDefaultLevel());
 			$this->namedtag["Level"] = $this->level->getName();
 			$this->namedtag["Pos"][0] = $this->level->getSpawnLocation()->x;
@@ -1823,7 +1826,7 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 			$this->achievements[$achievement->getName()] = $achievement->getValue() > 0 ? true : false;
 		}
 
-		$this->namedtag->lastPlayed = new LongTag("lastPlayed", floor(microtime(true) * 1000));
+		$this->namedtag->lastPlayed = new LongTag("lastPlayed", (int) floor(microtime(true) * 1000));
 		if($this->server->getAutoSave()){
 			$this->server->saveOfflinePlayerData($this->username, $this->namedtag, true);
 		}
@@ -1842,7 +1845,7 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 	protected function completeLoginSequence(){
 		parent::__construct($this->level, $this->namedtag);
 
-		if(!$this->hasValidSpawnPosition() and isset($this->namedtag->SpawnLevel) and ($level = $this->server->getLevelByName($this->namedtag["SpawnLevel"])) instanceof Level){
+		if(!$this->hasValidSpawnPosition() and isset($this->namedtag->SpawnLevel) and ($level = $this->server->getLevelByName((string) $this->namedtag["SpawnLevel"])) instanceof Level){
 			$this->spawnPosition = new WeakPosition($this->namedtag["SpawnX"], $this->namedtag["SpawnY"], $this->namedtag["SpawnZ"], $level);
 		}
 
@@ -1864,12 +1867,12 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 		$pk->spawnX = $spawnPosition->getFloorX();
 		$pk->spawnY = $spawnPosition->getFloorY();
 		$pk->spawnZ = $spawnPosition->getFloorZ();
-		$pk->hasAchievementsDisabled = 1;
+		$pk->hasAchievementsDisabled = true;
 		$pk->dayCycleStopTime = -1; //TODO: implement this properly
-		$pk->eduMode = 0;
+		$pk->eduMode = false;
 		$pk->rainLevel = 0; //TODO: implement these properly
 		$pk->lightningLevel = 0;
-		$pk->commandsEnabled = 1;
+		$pk->commandsEnabled = true;
 		$pk->levelId = "";
 		$pk->worldName = $this->server->getMotd();
 		$this->dataPacket($pk);
@@ -2598,7 +2601,7 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 					//TODO: improve this to take stuff like swimming, ladders, enchanted tools into account, fix wrong tool break time calculations for bad tools (pmmp/PocketMine-MP#211)
 					$breakTime = ceil($target->getBreakTime($this->inventory->getItemInHand()) * 20);
 					if($breakTime > 0){
-						$this->level->broadcastLevelEvent($pos, LevelEventPacket::EVENT_BLOCK_START_BREAK, 65535 / $breakTime);
+						$this->level->broadcastLevelEvent($pos, LevelEventPacket::EVENT_BLOCK_START_BREAK, (int) (65535 / $breakTime));
 					}
 				}
 				$this->lastBreak = microtime(true);
@@ -3563,7 +3566,7 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 	/**
 	 * Sends a direct chat message to a player
 	 *
-	 * @param string|TextContainer $message
+	 * @param TextContainer|string $message
 	 */
 	public function sendMessage($message){
 		if($message instanceof TextContainer){
@@ -3745,7 +3748,7 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 		}
 
 		$this->namedtag["playerGameType"] = $this->gamemode;
-		$this->namedtag["lastPlayed"] = floor(microtime(true) * 1000);
+		$this->namedtag["lastPlayed"] = (int) floor(microtime(true) * 1000);
 
 		if($this->username != "" and $this->namedtag instanceof CompoundTag){
 			$this->server->saveOfflinePlayerData($this->username, $this->namedtag, $async);
@@ -3959,6 +3962,7 @@ class Player extends Human implements CommandSender, InventoryHolder, ChunkLoade
 		$pk->pitch = $pitch;
 		$pk->yaw = $yaw;
 		$pk->mode = $mode;
+		$pk->onGround = $this->onGround;
 
 		if($targets !== null){
 			$this->server->broadcastPacket($targets, $pk);

src/pocketmine/PocketMine.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace {
 	function safe_var_dump(){
 		static $cnt = 0;
@@ -142,12 +144,12 @@ namespace pocketmine {
 		}
 	});
 
-	ini_set("allow_url_fopen", 1);
-	ini_set("display_errors", 1);
-	ini_set("display_startup_errors", 1);
+	ini_set("allow_url_fopen", '1');
+	ini_set("display_errors", '1');
+	ini_set("display_startup_errors", '1');
 	ini_set("default_charset", "utf-8");
 
-	ini_set("memory_limit", -1);
+	ini_set("memory_limit", '-1');
 	define('pocketmine\START_TIME', microtime(true));
 
 	$opts = getopt("", ["data:", "plugins:", "no-wizard", "enable-profiler"]);

src/pocketmine/Server.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 /**
  * PocketMine-MP is the Minecraft: PE multiplayer server software
  * Homepage: http://www.pocketmine.net/
@@ -40,6 +42,7 @@ use pocketmine\event\level\LevelLoadEvent;
 use pocketmine\event\player\PlayerDataSaveEvent;
 use pocketmine\event\server\QueryRegenerateEvent;
 use pocketmine\event\server\ServerCommandEvent;
+use pocketmine\event\TextContainer;
 use pocketmine\event\Timings;
 use pocketmine\event\TimingsHandler;
 use pocketmine\event\TranslationContainer;
@@ -264,77 +267,77 @@ class Server{
 	/**
 	 * @return string
 	 */
-	public function getName(){
+	public function getName() : string{
 		return "PocketMine-MP";
 	}
 
 	/**
 	 * @return bool
 	 */
-	public function isRunning(){
+	public function isRunning() : bool{
 		return $this->isRunning === true;
 	}
 
 	/**
 	 * @return string
 	 */
-	public function getPocketMineVersion(){
+	public function getPocketMineVersion() : string{
 		return \pocketmine\VERSION;
 	}
 
 	/**
 	 * @return string
 	 */
-	public function getCodename(){
+	public function getCodename() : string{
 		return \pocketmine\CODENAME;
 	}
 
 	/**
 	 * @return string
 	 */
-	public function getVersion(){
+	public function getVersion() : string{
 		return ProtocolInfo::MINECRAFT_VERSION;
 	}
 
 	/**
 	 * @return string
 	 */
-	public function getApiVersion(){
+	public function getApiVersion() : string{
 		return \pocketmine\API_VERSION;
 	}
 
 	/**
 	 * @return string
 	 */
-	public function getFilePath(){
+	public function getFilePath() : string{
 		return $this->filePath;
 	}
 
 	/**
 	 * @return string
 	 */
-	public function getDataPath(){
+	public function getDataPath() : string{
 		return $this->dataPath;
 	}
 
 	/**
 	 * @return string
 	 */
-	public function getPluginPath(){
+	public function getPluginPath() : string{
 		return $this->pluginPath;
 	}
 
 	/**
 	 * @return int
 	 */
-	public function getMaxPlayers(){
+	public function getMaxPlayers() : int{
 		return $this->maxPlayers;
 	}
 
 	/**
 	 * @return int
 	 */
-	public function getPort(){
+	public function getPort() : int{
 		return $this->getConfigInt("server-port", 19132);
 	}
 
@@ -359,10 +362,13 @@ class Server{
 	/**
 	 * @return string
 	 */
-	public function getIp(){
+	public function getIp() : string{
 		return $this->getConfigString("server-ip", "0.0.0.0");
 	}
 
+	/**
+	 * @return UUID
+	 */
 	public function getServerUniqueId(){
 		return $this->serverID;
 	}
@@ -370,15 +376,15 @@ class Server{
 	/**
 	 * @return bool
 	 */
-	public function getAutoSave(){
+	public function getAutoSave() : bool{
 		return $this->autoSave;
 	}
 
 	/**
 	 * @param bool $value
 	 */
-	public function setAutoSave($value){
-		$this->autoSave = (bool) $value;
+	public function setAutoSave(bool $value){
+		$this->autoSave = $value;
 		foreach($this->getLevels() as $level){
 			$level->setAutoSave($this->autoSave);
 		}
@@ -387,28 +393,28 @@ class Server{
 	/**
 	 * @return string
 	 */
-	public function getLevelType(){
+	public function getLevelType() : string{
 		return $this->getConfigString("level-type", "DEFAULT");
 	}
 
 	/**
 	 * @return bool
 	 */
-	public function getGenerateStructures(){
+	public function getGenerateStructures() : bool{
 		return $this->getConfigBoolean("generate-structures", true);
 	}
 
 	/**
 	 * @return int
 	 */
-	public function getGamemode(){
+	public function getGamemode() : int{
 		return $this->getConfigInt("gamemode", 0) & 0b11;
 	}
 
 	/**
 	 * @return bool
 	 */
-	public function getForceGamemode(){
+	public function getForceGamemode() : bool{
 		return $this->getConfigBoolean("force-gamemode", false);
 	}
 
@@ -419,7 +425,7 @@ class Server{
 	 *
 	 * @return string
 	 */
-	public static function getGamemodeString($mode){
+	public static function getGamemodeString(int $mode) : string{
 		switch((int) $mode){
 			case Player::SURVIVAL:
 				return "%gameMode.survival";
@@ -441,7 +447,7 @@ class Server{
 	 *
 	 * @return int
 	 */
-	public static function getGamemodeFromString($str){
+	public static function getGamemodeFromString(string $str) : int{
 		switch(strtolower(trim($str))){
 			case (string) Player::SURVIVAL:
 			case "survival":
@@ -472,7 +478,7 @@ class Server{
 	 *
 	 * @return int
 	 */
-	public static function getDifficultyFromString($str){
+	public static function getDifficultyFromString(string $str) : int{
 		switch(strtolower(trim($str))){
 			case "0":
 			case "peaceful":
@@ -500,49 +506,49 @@ class Server{
 	/**
 	 * @return int
 	 */
-	public function getDifficulty(){
+	public function getDifficulty() : int{
 		return $this->getConfigInt("difficulty", 1);
 	}
 
 	/**
 	 * @return bool
 	 */
-	public function hasWhitelist(){
+	public function hasWhitelist() : bool{
 		return $this->getConfigBoolean("white-list", false);
 	}
 
 	/**
 	 * @return int
 	 */
-	public function getSpawnRadius(){
+	public function getSpawnRadius() : int{
 		return $this->getConfigInt("spawn-protection", 16);
 	}
 
 	/**
 	 * @return bool
 	 */
-	public function getAllowFlight(){
+	public function getAllowFlight() : bool{
 		return $this->getConfigBoolean("allow-flight", false);
 	}
 
 	/**
 	 * @return bool
 	 */
-	public function isHardcore(){
+	public function isHardcore() : bool{
 		return $this->getConfigBoolean("hardcore", false);
 	}
 
 	/**
 	 * @return int
 	 */
-	public function getDefaultGamemode(){
+	public function getDefaultGamemode() : int{
 		return $this->getConfigInt("gamemode", 0) & 0b11;
 	}
 
 	/**
 	 * @return string
 	 */
-	public function getMotd(){
+	public function getMotd() : string{
 		return $this->getConfigString("motd", "Minecraft: PE Server");
 	}
 
@@ -619,7 +625,7 @@ class Server{
 	/**
 	 * @return int
 	 */
-	public function getTick(){
+	public function getTick() : int{
 		return $this->tickCounter;
 	}
 
@@ -628,7 +634,7 @@ class Server{
 	 *
 	 * @return float
 	 */
-	public function getTicksPerSecond(){
+	public function getTicksPerSecond() : float{
 		return round($this->currentTPS, 2);
 	}
 
@@ -637,7 +643,7 @@ class Server{
 	 *
 	 * @return float
 	 */
-	public function getTicksPerSecondAverage(){
+	public function getTicksPerSecondAverage() : float{
 		return round(array_sum($this->tickAverage) / count($this->tickAverage), 2);
 	}
 
@@ -646,7 +652,7 @@ class Server{
 	 *
 	 * @return float
 	 */
-	public function getTickUsage(){
+	public function getTickUsage() : float{
 		return round($this->currentUse * 100, 2);
 	}
 
@@ -655,7 +661,7 @@ class Server{
 	 *
 	 * @return float
 	 */
-	public function getTickUsageAverage(){
+	public function getTickUsageAverage() : float{
 		return round((array_sum($this->useAverage) / count($this->useAverage)) * 100, 2);
 	}
 
@@ -669,7 +675,7 @@ class Server{
 	/**
 	 * @return Player[]
 	 */
-	public function getOnlinePlayers(){
+	public function getOnlinePlayers() : array{
 		return $this->playerList;
 	}
 
@@ -686,7 +692,7 @@ class Server{
 	 *
 	 * @return OfflinePlayer|Player
 	 */
-	public function getOfflinePlayer($name){
+	public function getOfflinePlayer(string $name){
 		$name = strtolower($name);
 		$result = $this->getPlayerExact($name);
 
@@ -702,7 +708,7 @@ class Server{
 	 *
 	 * @return CompoundTag
 	 */
-	public function getOfflinePlayerData($name) : CompoundTag{
+	public function getOfflinePlayerData(string $name) : CompoundTag{
 		$name = strtolower($name);
 		$path = $this->getDataPath() . "players/";
 		if($this->shouldSavePlayerData()){
@@ -794,9 +800,9 @@ class Server{
 	/**
 	 * @param string $name
 	 *
-	 * @return Player
+	 * @return Player|null
 	 */
-	public function getPlayer($name){
+	public function getPlayer(string $name){
 		$found = null;
 		$name = strtolower($name);
 		$delta = PHP_INT_MAX;
@@ -819,9 +825,9 @@ class Server{
 	/**
 	 * @param string $name
 	 *
-	 * @return Player
+	 * @return Player|null
 	 */
-	public function getPlayerExact($name){
+	public function getPlayerExact(string $name){
 		$name = strtolower($name);
 		foreach($this->getOnlinePlayers() as $player){
 			if($player->getLowerCaseName() === $name){
@@ -837,7 +843,7 @@ class Server{
 	 *
 	 * @return Player[]
 	 */
-	public function matchPlayer($partialName){
+	public function matchPlayer(string $partialName) : array{
 		$partialName = strtolower($partialName);
 		$matchedPlayers = [];
 		foreach($this->getOnlinePlayers() as $player){
@@ -875,12 +881,12 @@ class Server{
 	/**
 	 * @return Level[]
 	 */
-	public function getLevels(){
+	public function getLevels() : array{
 		return $this->levels;
 	}
 
 	/**
-	 * @return Level
+	 * @return Level|null
 	 */
 	public function getDefaultLevel(){
 		return $this->levelDefault;
@@ -891,7 +897,7 @@ class Server{
 	 * This won't change the level-name property,
 	 * it only affects the server on runtime
 	 *
-	 * @param Level $level
+	 * @param Level|null $level
 	 */
 	public function setDefaultLevel($level){
 		if($level === null or ($this->isLevelLoaded($level->getFolderName()) and $level !== $this->levelDefault)){
@@ -904,16 +910,16 @@ class Server{
 	 *
 	 * @return bool
 	 */
-	public function isLevelLoaded($name){
+	public function isLevelLoaded(string $name) : bool{
 		return $this->getLevelByName($name) instanceof Level;
 	}
 
 	/**
 	 * @param int $levelId
 	 *
-	 * @return Level
+	 * @return Level|null
 	 */
-	public function getLevel($levelId){
+	public function getLevel(int $levelId){
 		if(isset($this->levels[$levelId])){
 			return $this->levels[$levelId];
 		}
@@ -922,11 +928,13 @@ class Server{
 	}
 
 	/**
-	 * @param $name
+	 * NOTE: This matches levels based on the FOLDER name, NOT the display name.
 	 *
-	 * @return Level
+	 * @param string $name
+	 *
+	 * @return Level|null
 	 */
-	public function getLevelByName($name){
+	public function getLevelByName(string $name){
 		foreach($this->getLevels() as $level){
 			if($level->getFolderName() === $name){
 				return $level;
@@ -944,7 +952,7 @@ class Server{
 	 *
 	 * @throws \InvalidStateException
 	 */
-	public function unloadLevel(Level $level, $forceUnload = false){
+	public function unloadLevel(Level $level, bool $forceUnload = false) : bool{
 		if($level === $this->getDefaultLevel() and !$forceUnload){
 			throw new \InvalidStateException("The default level cannot be unloaded while running, please switch levels.");
 		}
@@ -966,7 +974,7 @@ class Server{
 	 *
 	 * @throws LevelException
 	 */
-	public function loadLevel($name){
+	public function loadLevel(string $name) : bool{
 		if(trim($name) === ""){
 			throw new LevelException("Invalid empty level name");
 		}
@@ -1011,14 +1019,14 @@ class Server{
 	/**
 	 * Generates a new level if it does not exists
 	 *
-	 * @param string $name
-	 * @param int    $seed
-	 * @param string $generator Class name that extends pocketmine\level\generator\Noise
-	 * @param array  $options
+	 * @param string      $name
+	 * @param int|null    $seed
+	 * @param string|null $generator Class name that extends pocketmine\level\generator\Noise
+	 * @param array       $options
 	 *
 	 * @return bool
 	 */
-	public function generateLevel($name, $seed = null, $generator = null, $options = []){
+	public function generateLevel(string $name, $seed = null, $generator = null, array $options = []){
 		if(trim($name) === "" or $this->isLevelGenerated($name)){
 			return false;
 		}
@@ -1042,7 +1050,7 @@ class Server{
 			/** @var \pocketmine\level\format\io\LevelProvider $provider */
 			$provider::generate($path, $name, $seed, $generator, $options);
 
-			$level = new Level($this, $name, $path, $provider);
+			$level = new Level($this, $name, $path, (string) $provider);
 			$this->levels[$level->getId()] = $level;
 
 			$level->initLevel();
@@ -1090,7 +1098,7 @@ class Server{
 	 *
 	 * @return bool
 	 */
-	public function isLevelGenerated($name){
+	public function isLevelGenerated(string $name) : bool{
 		if(trim($name) === ""){
 			return false;
 		}
@@ -1130,28 +1138,13 @@ class Server{
 		return null;
 	}
 
-	/**
-	 * @param string $variable
-	 * @param string $defaultValue
-	 *
-	 * @return string
-	 */
-	public function getConfigString($variable, $defaultValue = ""){
-		$v = getopt("", ["$variable::"]);
-		if(isset($v[$variable])){
-			return (string) $v[$variable];
-		}
-
-		return $this->properties->exists($variable) ? $this->properties->get($variable) : $defaultValue;
-	}
-
 	/**
 	 * @param string $variable
 	 * @param mixed  $defaultValue
 	 *
 	 * @return mixed
 	 */
-	public function getProperty($variable, $defaultValue = null){
+	public function getProperty(string $variable, $defaultValue = null){
 		if(!array_key_exists($variable, $this->propertyCache)){
 			$v = getopt("", ["$variable::"]);
 			if(isset($v[$variable])){
@@ -1164,11 +1157,26 @@ class Server{
 		return $this->propertyCache[$variable] === null ? $defaultValue : $this->propertyCache[$variable];
 	}
 
+	/**
+	 * @param string $variable
+	 * @param string $defaultValue
+	 *
+	 * @return string
+	 */
+	public function getConfigString(string $variable, string $defaultValue = "") : string{
+		$v = getopt("", ["$variable::"]);
+		if(isset($v[$variable])){
+			return (string) $v[$variable];
+		}
+
+		return $this->properties->exists($variable) ? (string) $this->properties->get($variable) : $defaultValue;
+	}
+
 	/**
 	 * @param string $variable
 	 * @param string $value
 	 */
-	public function setConfigString($variable, $value){
+	public function setConfigString(string $variable, string $value){
 		$this->properties->set($variable, $value);
 	}
 
@@ -1178,7 +1186,7 @@ class Server{
 	 *
 	 * @return int
 	 */
-	public function getConfigInt($variable, $defaultValue = 0){
+	public function getConfigInt(string $variable, int $defaultValue = 0) : int{
 		$v = getopt("", ["$variable::"]);
 		if(isset($v[$variable])){
 			return (int) $v[$variable];
@@ -1191,17 +1199,17 @@ class Server{
 	 * @param string $variable
 	 * @param int    $value
 	 */
-	public function setConfigInt($variable, $value){
+	public function setConfigInt(string $variable, int $value){
 		$this->properties->set($variable, (int) $value);
 	}
 
 	/**
-	 * @param string  $variable
-	 * @param boolean $defaultValue
+	 * @param string $variable
+	 * @param bool   $defaultValue
 	 *
-	 * @return boolean
+	 * @return bool
 	 */
-	public function getConfigBoolean($variable, $defaultValue = false){
+	public function getConfigBoolean(string $variable, bool $defaultValue = false) : bool{
 		$v = getopt("", ["$variable::"]);
 		if(isset($v[$variable])){
 			$value = $v[$variable];
@@ -1227,16 +1235,16 @@ class Server{
 	 * @param string $variable
 	 * @param bool   $value
 	 */
-	public function setConfigBool($variable, $value){
+	public function setConfigBool(string $variable, bool $value){
 		$this->properties->set($variable, $value == true ? "1" : "0");
 	}
 
 	/**
 	 * @param string $name
 	 *
-	 * @return PluginIdentifiableCommand
+	 * @return PluginIdentifiableCommand|null
 	 */
-	public function getPluginCommand($name){
+	public function getPluginCommand(string $name){
 		if(($command = $this->commandMap->getCommand($name)) instanceof PluginIdentifiableCommand){
 			return $command;
 		}else{
@@ -1261,7 +1269,7 @@ class Server{
 	/**
 	 * @param string $name
 	 */
-	public function addOp($name){
+	public function addOp(string $name){
 		$this->operators->set(strtolower($name), true);
 
 		if(($player = $this->getPlayerExact($name)) !== null){
@@ -1273,7 +1281,7 @@ class Server{
 	/**
 	 * @param string $name
 	 */
-	public function removeOp($name){
+	public function removeOp(string $name){
 		$this->operators->remove(strtolower($name));
 
 		if(($player = $this->getPlayerExact($name)) !== null){
@@ -1285,7 +1293,7 @@ class Server{
 	/**
 	 * @param string $name
 	 */
-	public function addWhitelist($name){
+	public function addWhitelist(string $name){
 		$this->whitelist->set(strtolower($name), true);
 		$this->whitelist->save(true);
 	}
@@ -1293,7 +1301,7 @@ class Server{
 	/**
 	 * @param string $name
 	 */
-	public function removeWhitelist($name){
+	public function removeWhitelist(string $name){
 		$this->whitelist->remove(strtolower($name));
 		$this->whitelist->save();
 	}
@@ -1303,7 +1311,7 @@ class Server{
 	 *
 	 * @return bool
 	 */
-	public function isWhitelisted($name){
+	public function isWhitelisted(string $name){
 		return !$this->hasWhitelist() or $this->operators->exists($name, true) or $this->whitelist->exists($name, true);
 	}
 
@@ -1312,7 +1320,7 @@ class Server{
 	 *
 	 * @return bool
 	 */
-	public function isOp($name){
+	public function isOp(string $name){
 		return $this->operators->exists($name, true);
 	}
 
@@ -1337,7 +1345,7 @@ class Server{
 	/**
 	 * @return string[]
 	 */
-	public function getCommandAliases(){
+	public function getCommandAliases() : array{
 		$section = $this->getProperty("aliases");
 		$result = [];
 		if(is_array($section)){
@@ -1376,7 +1384,7 @@ class Server{
 	 * @param string          $dataPath
 	 * @param string          $pluginPath
 	 */
-	public function __construct(\ClassLoader $autoloader, \ThreadedLogger $logger, $filePath, $dataPath, $pluginPath){
+	public function __construct(\ClassLoader $autoloader, \ThreadedLogger $logger, string $filePath, string $dataPath, string $pluginPath){
 		self::$instance = $this;
 		self::$sleeper = new \Threaded;
 		$this->autoloader = $autoloader;
@@ -1650,12 +1658,12 @@ class Server{
 	}
 
 	/**
-	 * @param string        $message
-	 * @param Player[]|null $recipients
+	 * @param TextContainer|string $message
+	 * @param Player[]             $recipients
 	 *
 	 * @return int
 	 */
-	public function broadcastMessage($message, $recipients = null){
+	public function broadcastMessage($message, array $recipients = null) : int{
 		if(!is_array($recipients)){
 			return $this->broadcast($message, self::BROADCAST_CHANNEL_USERS);
 		}
@@ -1669,16 +1677,15 @@ class Server{
 	}
 
 	/**
-	 * @param string        $tip
-	 * @param Player[]|null $recipients
+	 * @param string   $tip
+	 * @param Player[] $recipients
 	 *
 	 * @return int
 	 */
-	public function broadcastTip($tip, $recipients = null){
+	public function broadcastTip(string $tip, array $recipients = null) : int{
 		if(!is_array($recipients)){
 			/** @var Player[] $recipients */
 			$recipients = [];
-
 			foreach($this->pluginManager->getPermissionSubscriptions(self::BROADCAST_CHANNEL_USERS) as $permissible){
 				if($permissible instanceof Player and $permissible->hasPermission(self::BROADCAST_CHANNEL_USERS)){
 					$recipients[spl_object_hash($permissible)] = $permissible; // do not send messages directly, or some might be repeated
@@ -1695,12 +1702,12 @@ class Server{
 	}
 
 	/**
-	 * @param string        $popup
-	 * @param Player[]|null $recipients
+	 * @param string   $popup
+	 * @param Player[] $recipients
 	 *
 	 * @return int
 	 */
-	public function broadcastPopup($popup, $recipients = null){
+	public function broadcastPopup(string $popup, array $recipients = null) : int{
 		if(!is_array($recipients)){
 			/** @var Player[] $recipients */
 			$recipients = [];
@@ -1751,12 +1758,12 @@ class Server{
 	}
 
 	/**
-	 * @param string $message
-	 * @param string $permissions
+	 * @param TextContainer|string $message
+	 * @param string               $permissions
 	 *
 	 * @return int
 	 */
-	public function broadcast($message, $permissions){
+	public function broadcast($message, string $permissions) : int{
 		/** @var CommandSender[] $recipients */
 		$recipients = [];
 		foreach(explode(";", $permissions) as $permission){
@@ -1794,7 +1801,7 @@ class Server{
 	 * @param bool         $forceSync
 	 * @param bool         $immediate
 	 */
-	public function batchPackets(array $players, array $packets, $forceSync = false, bool $immediate = false){
+	public function batchPackets(array $players, array $packets, bool $forceSync = false, bool $immediate = false){
 		Timings::$playerNetworkTimer->startTiming();
 
 		$targets = [];
@@ -1856,7 +1863,7 @@ class Server{
 	/**
 	 * @param int $type
 	 */
-	public function enablePlugins($type){
+	public function enablePlugins(int $type){
 		foreach($this->pluginManager->getPlugins() as $plugin){
 			if(!$plugin->isEnabled() and $plugin->getDescription()->getOrder() === $type){
 				$this->enablePlugin($plugin);
@@ -1899,7 +1906,7 @@ class Server{
 	 *
 	 * @return bool
 	 */
-	public function dispatchCommand(CommandSender $sender, $commandLine){
+	public function dispatchCommand(CommandSender $sender, string $commandLine){
 		if($this->commandMap->dispatch($sender, $commandLine)){
 			return true;
 		}
@@ -2115,8 +2122,8 @@ class Server{
 		}
 		$this->hasStopped = false;
 
-		ini_set("error_reporting", 0);
-		ini_set("memory_limit", -1); //Fix error dump not dumped on memory problems
+		ini_set("error_reporting", '0');
+		ini_set("memory_limit", '-1'); //Fix error dump not dumped on memory problems
 		$this->logger->emergency($this->getLanguage()->translateString("pocketmine.crash.create"));
 		try{
 			$dump = new CrashDump($this);
@@ -2272,11 +2279,11 @@ class Server{
 						$this->getLogger()->debug("Raising level \"{$level->getName()}\" tick rate to {$level->getTickRate()} ticks");
 					}elseif($tickMs >= 50){
 						if($level->getTickRate() === $this->baseTickRate){
-							$level->setTickRate(max($this->baseTickRate + 1, min($this->autoTickRateLimit, floor($tickMs / 50))));
-							$this->getLogger()->debug(sprintf("Level \"%s\" took %gms, setting tick rate to %d ticks", $level->getName(), round($tickMs, 2), $level->getTickRate()));
+							$level->setTickRate(max($this->baseTickRate + 1, min($this->autoTickRateLimit, (int) floor($tickMs / 50))));
+							$this->getLogger()->debug(sprintf("Level \"%s\" took %gms, setting tick rate to %d ticks", $level->getName(), (int) round($tickMs, 2), $level->getTickRate()));
 						}elseif(($tickMs / $level->getTickRate()) >= 50 and $level->getTickRate() < $this->autoTickRateLimit){
 							$level->setTickRate($level->getTickRate() + 1);
-							$this->getLogger()->debug(sprintf("Level \"%s\" took %gms, setting tick rate to %d ticks", $level->getName(), round($tickMs, 2), $level->getTickRate()));
+							$this->getLogger()->debug(sprintf("Level \"%s\" took %gms, setting tick rate to %d ticks", $level->getName(), (int) round($tickMs, 2), $level->getTickRate()));
 						}
 						$level->tickRateCounter = $level->getTickRate();
 					}
@@ -2324,7 +2331,7 @@ class Server{
 	/**
 	 * @return bool
 	 */
-	public function isLanguageForced(){
+	public function isLanguageForced() : bool{
 		return $this->forceLanguage;
 	}
 
@@ -2367,7 +2374,7 @@ class Server{
 	 *
 	 * TODO: move this to Network
 	 */
-	public function handlePacket($address, $port, $payload){
+	public function handlePacket(string $address, int $port, string $payload){
 		try{
 			if(strlen($payload) > 2 and substr($payload, 0, 2) === "\xfe\xfd" and $this->queryHandler instanceof QueryHandler){
 				$this->queryHandler->handle($address, $port, $payload);

src/pocketmine/Thread.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine;
 
 /**

src/pocketmine/ThreadManager.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine;
 
 class ThreadManager extends \Volatile{

src/pocketmine/Worker.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine;
 
 /**

src/pocketmine/block/AcaciaWoodStairs.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 class AcaciaWoodStairs extends WoodStairs{

src/pocketmine/block/ActivatorRail.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 class ActivatorRail extends Rail{

src/pocketmine/block/Air.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/Anvil.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\inventory\AnvilInventory;

src/pocketmine/block/Bed.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\event\TranslationContainer;

src/pocketmine/block/Bedrock.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/Beetroot.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/BirchWoodStairs.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 class BirchWoodStairs extends WoodStairs{

src/pocketmine/block/Block.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 /**
  * All Block classes are in here
  */

src/pocketmine/block/BlockIds.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 interface BlockIds{

src/pocketmine/block/Bookshelf.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Tool;

src/pocketmine/block/BrewingStand.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Tool;

src/pocketmine/block/BrickStairs.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Tool;

src/pocketmine/block/Bricks.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/BrownMushroom.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/BurningFurnace.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/Cactus.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\entity\Entity;

src/pocketmine/block/Cake.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\entity\Effect;

src/pocketmine/block/Carpet.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/Carrot.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/Chest.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/Clay.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/Coal.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/CoalOre.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/Cobblestone.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/CobblestoneStairs.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Tool;

src/pocketmine/block/Cobweb.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\entity\Entity;

src/pocketmine/block/CocoaBlock.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 class CocoaBlock extends Solid{

src/pocketmine/block/Crops.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\event\block\BlockGrowEvent;

src/pocketmine/block/Dandelion.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/DarkOakWoodStairs.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 class DarkOakWoodStairs extends WoodStairs{

src/pocketmine/block/DaylightSensor.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 class DaylightSensor extends Transparent{

src/pocketmine/block/DeadBush.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\level\Level;

src/pocketmine/block/DetectorRail.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 class DetectorRail extends Rail{

src/pocketmine/block/Diamond.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/DiamondOre.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/Dirt.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/Door.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/DoublePlant.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/DoubleSlab.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/DoubleWoodSlab.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/Emerald.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/EmeraldOre.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/EnchantingTable.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\inventory\EnchantInventory;

src/pocketmine/block/EndPortalFrame.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/EndStone.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Tool;

src/pocketmine/block/Fallable.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\entity\Entity;

src/pocketmine/block/Farmland.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/Fence.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Tool;

src/pocketmine/block/FenceGate.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/FenceGateAcacia.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 

src/pocketmine/block/FenceGateBirch.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 

src/pocketmine/block/FenceGateDarkOak.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 

src/pocketmine/block/FenceGateJungle.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 

src/pocketmine/block/FenceGateSpruce.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 

src/pocketmine/block/Fire.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\entity\Arrow;

src/pocketmine/block/Flowable.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 abstract class Flowable extends Transparent{

src/pocketmine/block/Flower.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/FlowerPot.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/Furnace.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 

src/pocketmine/block/Glass.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/GlassPane.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/GlowingObsidian.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 

src/pocketmine/block/GlowingRedstoneOre.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/Glowstone.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/Gold.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/GoldOre.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/Grass.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\event\block\BlockSpreadEvent;

src/pocketmine/block/GrassPath.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/Gravel.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/HardenedClay.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Tool;

src/pocketmine/block/HayBale.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/Ice.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/Iron.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/IronBars.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/IronDoor.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/IronOre.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/IronTrapdoor.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Tool;

src/pocketmine/block/ItemFrame.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/JungleWoodStairs.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 class JungleWoodStairs extends WoodStairs{

src/pocketmine/block/Ladder.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\entity\Entity;

src/pocketmine/block/Lapis.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/LapisOre.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\item\Item;

src/pocketmine/block/Lava.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\entity\Effect;

src/pocketmine/block/Leaves.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\event\block\LeavesDecayEvent;

src/pocketmine/block/Leaves2.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\event\block\LeavesDecayEvent;

src/pocketmine/block/Lever.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 class Lever extends Flowable{

src/pocketmine/block/Liquid.php

@@ -19,6 +19,8 @@
  *
 */
 
+declare(strict_types=1);
+
 namespace pocketmine\block;
 
 use pocketmine\entity\Entity;