diff --git a/src/network/Network.php b/src/network/Network.php
index fc65e3aca..2502809b1 100644
--- a/src/network/Network.php
+++ b/src/network/Network.php
@@ -191,7 +191,7 @@ class Network{
 	}
 
 	public function processRawPacket(AdvancedNetworkInterface $interface, string $address, int $port, string $packet) : void{
-		if(isset($this->bannedIps[$address]) and time() < $this->bannedIps[$address]){
+		if(isset($this->bannedIps[$address]) && time() < $this->bannedIps[$address]){
 			$this->logger->debug("Dropped raw packet from banned address $address $port");
 			return;
 		}
diff --git a/src/network/mcpe/InventoryManager.php b/src/network/mcpe/InventoryManager.php
index 2c3fff30c..e7e53b4d3 100644
--- a/src/network/mcpe/InventoryManager.php
+++ b/src/network/mcpe/InventoryManager.php
@@ -138,7 +138,7 @@ class InventoryManager{
 
 	public function onTransactionStart(InventoryTransaction $tx) : void{
 		foreach($tx->getActions() as $action){
-			if($action instanceof SlotChangeAction and ($windowId = $this->getWindowId($action->getInventory())) !== null){
+			if($action instanceof SlotChangeAction && ($windowId = $this->getWindowId($action->getInventory())) !== null){
 				//in some cases the inventory might not have a window ID, but still be referenced by a transaction (e.g. crafting grid changes), so we can't unconditionally record the change here or we might leak things
 				$this->initiatedSlotChanges[$windowId][$action->getSlot()] = $action->getTargetItem();
 			}
@@ -236,7 +236,7 @@ class InventoryManager{
 		if($windowId !== null){
 			$currentItem = $inventory->getItem($slot);
 			$clientSideItem = $this->initiatedSlotChanges[$windowId][$slot] ?? null;
-			if($clientSideItem === null or !$clientSideItem->equalsExact($currentItem)){
+			if($clientSideItem === null || !$clientSideItem->equalsExact($currentItem)){
 				$itemStackWrapper = ItemStackWrapper::legacy(TypeConverter::getInstance()->coreItemStackToNet($currentItem));
 				if($windowId === ContainerIds::OFFHAND){
 					//TODO: HACK!
diff --git a/src/network/mcpe/NetworkSession.php b/src/network/mcpe/NetworkSession.php
index 66b77fbb3..3c97db45e 100644
--- a/src/network/mcpe/NetworkSession.php
+++ b/src/network/mcpe/NetworkSession.php
@@ -392,7 +392,7 @@ class NetworkSession{
 
 			$ev = new DataPacketReceiveEvent($this, $packet);
 			$ev->call();
-			if(!$ev->isCancelled() and ($this->handler === null or !$packet->handle($this->handler))){
+			if(!$ev->isCancelled() && ($this->handler === null || !$packet->handle($this->handler))){
 				$this->logger->debug("Unhandled " . $packet->getName() . ": " . base64_encode($stream->getBuffer()));
 			}
 		}finally{
@@ -402,7 +402,7 @@ class NetworkSession{
 
 	public function sendDataPacket(ClientboundPacket $packet, bool $immediate = false) : bool{
 		//Basic safety restriction. TODO: improve this
-		if(!$this->loggedIn and !$packet->canBeSentBeforeLogin()){
+		if(!$this->loggedIn && !$packet->canBeSentBeforeLogin()){
 			throw new \InvalidArgumentException("Attempted to send " . get_class($packet) . " to " . $this->getDisplayName() . " too early");
 		}
 
@@ -473,7 +473,7 @@ class NetworkSession{
 		}else{
 			$this->compressedQueue->enqueue($payload);
 			$payload->onResolve(function(CompressBatchPromise $payload) : void{
-				if($this->connected and $this->compressedQueue->bottom() === $payload){
+				if($this->connected && $this->compressedQueue->bottom() === $payload){
 					$this->compressedQueue->dequeue(); //result unused
 					$this->sendEncoded($payload->getResult());
 
@@ -507,7 +507,7 @@ class NetworkSession{
 	 * @phpstan-param \Closure() : void $func
 	 */
 	private function tryDisconnect(\Closure $func, string $reason) : void{
-		if($this->connected and !$this->disconnectGuard){
+		if($this->connected && !$this->disconnectGuard){
 			$this->disconnectGuard = true;
 			$func();
 			$this->disconnectGuard = false;
@@ -586,7 +586,7 @@ class NetworkSession{
 			return;
 		}
 		if($error === null){
-			if($authenticated and !($this->info instanceof XboxLivePlayerInfo)){
+			if($authenticated && !($this->info instanceof XboxLivePlayerInfo)){
 				$error = "Expected XUID but none found";
 			}elseif($clientPubKey === null){
 				$error = "Missing client public key"; //failsafe
@@ -633,7 +633,7 @@ class NetworkSession{
 				continue;
 			}
 			$info = $existingSession->getPlayerInfo();
-			if($info !== null and ($info->getUsername() === $this->info->getUsername() or $info->getUuid()->equals($this->info->getUuid()))){
+			if($info !== null && ($info->getUsername() === $this->info->getUsername() || $info->getUuid()->equals($this->info->getUuid()))){
 				if($kickForXUIDMismatch($info instanceof XboxLivePlayerInfo ? $info->getXuid() : "")){
 					return;
 				}
@@ -840,7 +840,7 @@ class NetworkSession{
 	public function syncAvailableCommands() : void{
 		$commandData = [];
 		foreach($this->server->getCommandMap()->getCommands() as $name => $command){
-			if(isset($commandData[$command->getName()]) or $command->getName() === "help" or !$command->testPermissionSilent($this->player)){
+			if(isset($commandData[$command->getName()]) || $command->getName() === "help" || !$command->testPermissionSilent($this->player)){
 				continue;
 			}
 
@@ -920,7 +920,7 @@ class NetworkSession{
 					return;
 				}
 				$currentWorld = $this->player->getLocation()->getWorld();
-				if($world !== $currentWorld or ($status = $this->player->getUsedChunkStatus($chunkX, $chunkZ)) === null){
+				if($world !== $currentWorld || ($status = $this->player->getUsedChunkStatus($chunkX, $chunkZ)) === null){
 					$this->logger->debug("Tried to send no-longer-active chunk $chunkX $chunkZ in world " . $world->getFolderName());
 					return;
 				}
diff --git a/src/network/mcpe/auth/ProcessLoginTask.php b/src/network/mcpe/auth/ProcessLoginTask.php
index 15cafe952..940dd8bad 100644
--- a/src/network/mcpe/auth/ProcessLoginTask.php
+++ b/src/network/mcpe/auth/ProcessLoginTask.php
@@ -174,11 +174,11 @@ class ProcessLoginTask extends AsyncTask{
 		}
 
 		$time = time();
-		if(isset($claims->nbf) and $claims->nbf > $time + self::CLOCK_DRIFT_MAX){
+		if(isset($claims->nbf) && $claims->nbf > $time + self::CLOCK_DRIFT_MAX){
 			throw new VerifyLoginException(KnownTranslationKeys::POCKETMINE_DISCONNECT_INVALIDSESSION_TOOEARLY);
 		}
 
-		if(isset($claims->exp) and $claims->exp < $time - self::CLOCK_DRIFT_MAX){
+		if(isset($claims->exp) && $claims->exp < $time - self::CLOCK_DRIFT_MAX){
 			throw new VerifyLoginException(KnownTranslationKeys::POCKETMINE_DISCONNECT_INVALIDSESSION_TOOLATE);
 		}
 
diff --git a/src/network/mcpe/cache/ChunkCache.php b/src/network/mcpe/cache/ChunkCache.php
index 1eb02a118..f8107e356 100644
--- a/src/network/mcpe/cache/ChunkCache.php
+++ b/src/network/mcpe/cache/ChunkCache.php
@@ -160,7 +160,7 @@ class ChunkCache implements ChunkListener{
 	private function restartPendingRequest(int $chunkX, int $chunkZ) : void{
 		$chunkHash = World::chunkHash($chunkX, $chunkZ);
 		$existing = $this->caches[$chunkHash] ?? null;
-		if($existing === null or $existing->hasResult()){
+		if($existing === null || $existing->hasResult()){
 			throw new \InvalidArgumentException("Restart can only be applied to unresolved promises");
 		}
 		$existing->cancel();
diff --git a/src/network/mcpe/compression/ZlibCompressor.php b/src/network/mcpe/compression/ZlibCompressor.php
index 284a8dcb7..a489aa153 100644
--- a/src/network/mcpe/compression/ZlibCompressor.php
+++ b/src/network/mcpe/compression/ZlibCompressor.php
@@ -60,7 +60,7 @@ final class ZlibCompressor implements Compressor{
 	}
 
 	public function willCompress(string $data) : bool{
-		return $this->threshold > -1 and strlen($data) >= $this->threshold;
+		return $this->threshold > -1 && strlen($data) >= $this->threshold;
 	}
 
 	/**
diff --git a/src/network/mcpe/convert/ItemTranslator.php b/src/network/mcpe/convert/ItemTranslator.php
index 87e1a6ae6..d00a6f90c 100644
--- a/src/network/mcpe/convert/ItemTranslator.php
+++ b/src/network/mcpe/convert/ItemTranslator.php
@@ -69,7 +69,7 @@ final class ItemTranslator{
 	private static function make() : self{
 		$data = Utils::assumeNotFalse(file_get_contents(Path::join(\pocketmine\BEDROCK_DATA_PATH, 'r16_to_current_item_map.json')), "Missing required resource file");
 		$json = json_decode($data, true);
-		if(!is_array($json) or !isset($json["simple"], $json["complex"]) || !is_array($json["simple"]) || !is_array($json["complex"])){
+		if(!is_array($json) || !isset($json["simple"], $json["complex"]) || !is_array($json["simple"]) || !is_array($json["complex"])){
 			throw new AssumptionFailedError("Invalid item table format");
 		}
 
diff --git a/src/network/mcpe/convert/TypeConverter.php b/src/network/mcpe/convert/TypeConverter.php
index efa4e79c0..d03918efd 100644
--- a/src/network/mcpe/convert/TypeConverter.php
+++ b/src/network/mcpe/convert/TypeConverter.php
@@ -156,7 +156,7 @@ class TypeConverter{
 		}else{
 			[$id, $meta] = $idMeta;
 
-			if($itemStack instanceof Durable and $itemStack->getDamage() > 0){
+			if($itemStack instanceof Durable && $itemStack->getDamage() > 0){
 				if($nbt !== null){
 					if(($existing = $nbt->getTag(self::DAMAGE_TAG)) !== null){
 						$nbt->removeTag(self::DAMAGE_TAG);
@@ -266,7 +266,7 @@ class TypeConverter{
 		switch($action->sourceType){
 			case NetworkInventoryAction::SOURCE_CONTAINER:
 				$window = null;
-				if($action->windowId === ContainerIds::UI and $action->inventorySlot > 0){
+				if($action->windowId === ContainerIds::UI && $action->inventorySlot > 0){
 					if($action->inventorySlot === UIInventorySlotOffset::CREATED_ITEM_OUTPUT){
 						return null; //useless noise
 					}
diff --git a/src/network/mcpe/handler/InGamePacketHandler.php b/src/network/mcpe/handler/InGamePacketHandler.php
index cd91f4f7f..baa0d22d7 100644
--- a/src/network/mcpe/handler/InGamePacketHandler.php
+++ b/src/network/mcpe/handler/InGamePacketHandler.php
@@ -201,7 +201,7 @@ class InGamePacketHandler extends PacketHandler{
 		$curPos = $this->player->getLocation();
 		$newPos = $rawPos->round(4)->subtract(0, 1.62, 0);
 
-		if($this->forceMoveSync and $newPos->distanceSquared($curPos) > 1){  //Tolerate up to 1 block to avoid problems with client-sided physics when spawning in blocks
+		if($this->forceMoveSync && $newPos->distanceSquared($curPos) > 1){  //Tolerate up to 1 block to avoid problems with client-sided physics when spawning in blocks
 			$this->session->getLogger()->debug("Got outdated pre-teleport movement, received " . $newPos . ", expected " . $curPos);
 			//Still getting movements from before teleport, ignore them
 			return false;
@@ -316,11 +316,11 @@ class InGamePacketHandler extends PacketHandler{
 		foreach($data->getActions() as $networkInventoryAction){
 			if(
 				(
-					$networkInventoryAction->sourceType === NetworkInventoryAction::SOURCE_TODO and (
-						$networkInventoryAction->windowId === NetworkInventoryAction::SOURCE_TYPE_CRAFTING_RESULT or
+					$networkInventoryAction->sourceType === NetworkInventoryAction::SOURCE_TODO && (
+						$networkInventoryAction->windowId === NetworkInventoryAction::SOURCE_TYPE_CRAFTING_RESULT ||
 						$networkInventoryAction->windowId === NetworkInventoryAction::SOURCE_TYPE_CRAFTING_USE_INGREDIENT
 					)
-				) or (
+				) || (
 					$this->craftingTransaction !== null &&
 					!$networkInventoryAction->oldItem->getItemStack()->equals($networkInventoryAction->newItem->getItemStack()) &&
 					$networkInventoryAction->sourceType === NetworkInventoryAction::SOURCE_CONTAINER &&
@@ -415,10 +415,10 @@ class InGamePacketHandler extends PacketHandler{
 			case UseItemTransactionData::ACTION_CLICK_BLOCK:
 				//TODO: start hack for client spam bug
 				$clickPos = $data->getClickPosition();
-				$spamBug = ($this->lastRightClickData !== null and
-					microtime(true) - $this->lastRightClickTime < 0.1 and //100ms
-					$this->lastRightClickData->getPlayerPosition()->distanceSquared($data->getPlayerPosition()) < 0.00001 and
-					$this->lastRightClickData->getBlockPosition()->equals($data->getBlockPosition()) and
+				$spamBug = ($this->lastRightClickData !== null &&
+					microtime(true) - $this->lastRightClickTime < 0.1 && //100ms
+					$this->lastRightClickData->getPlayerPosition()->distanceSquared($data->getPlayerPosition()) < 0.00001 &&
+					$this->lastRightClickData->getBlockPosition()->equals($data->getBlockPosition()) &&
 					$this->lastRightClickData->getClickPosition()->distanceSquared($clickPos) < 0.00001 //signature spam bug has 0 distance, but allow some error
 				);
 				//get rid of continued spam if the player clicks and holds right-click
@@ -731,7 +731,7 @@ class InGamePacketHandler extends PacketHandler{
 	public function handleItemFrameDropItem(ItemFrameDropItemPacket $packet) : bool{
 		$blockPosition = $packet->blockPosition;
 		$block = $this->player->getWorld()->getBlockAt($blockPosition->getX(), $blockPosition->getY(), $blockPosition->getZ());
-		if($block instanceof ItemFrame and $block->getFramedItem() !== null){
+		if($block instanceof ItemFrame && $block->getFramedItem() !== null){
 			return $this->player->attackBlock(new Vector3($blockPosition->getX(), $blockPosition->getY(), $blockPosition->getZ()), $block->getFacing());
 		}
 		return false;
@@ -822,7 +822,7 @@ class InGamePacketHandler extends PacketHandler{
 				$modifiedPages[] = $packet->pageNumber;
 				break;
 			case BookEditPacket::TYPE_SWAP_PAGES:
-				if(!$newBook->pageExists($packet->pageNumber) or !$newBook->pageExists($packet->secondaryPageNumber)){
+				if(!$newBook->pageExists($packet->pageNumber) || !$newBook->pageExists($packet->secondaryPageNumber)){
 					//the client will create pages on its own without telling us until it tries to switch them
 					$newBook->addPage(max($packet->pageNumber, $packet->secondaryPageNumber));
 				}
@@ -897,7 +897,7 @@ class InGamePacketHandler extends PacketHandler{
 			$newParts = [];
 			$inQuotes = false;
 			for($i = 0, $len = strlen($raw); $i <= $len; ++$i){
-				if($i === $len or ($raw[$i] === "," and !$inQuotes)){
+				if($i === $len || ($raw[$i] === "," && !$inQuotes)){
 					$part = substr($raw, $lastComma + 1, $i - ($lastComma + 1));
 					if(trim($part) === ""){ //regular parts will have quotes or something else that makes them non-empty
 						$part = '""';
diff --git a/src/network/mcpe/handler/LoginPacketHandler.php b/src/network/mcpe/handler/LoginPacketHandler.php
index 3ff77e2c4..f2ff2e0df 100644
--- a/src/network/mcpe/handler/LoginPacketHandler.php
+++ b/src/network/mcpe/handler/LoginPacketHandler.php
@@ -145,7 +145,7 @@ class LoginPacketHandler extends PacketHandler{
 		if(!$this->server->isWhitelisted($playerInfo->getUsername())){
 			$ev->setKickReason(PlayerPreLoginEvent::KICK_REASON_SERVER_WHITELISTED, "Server is whitelisted");
 		}
-		if($this->server->getNameBans()->isBanned($playerInfo->getUsername()) or $this->server->getIPBans()->isBanned($this->session->getIp())){
+		if($this->server->getNameBans()->isBanned($playerInfo->getUsername()) || $this->server->getIPBans()->isBanned($this->session->getIp())){
 			$ev->setKickReason(PlayerPreLoginEvent::KICK_REASON_BANNED, "You are banned");
 		}
 
diff --git a/src/network/mcpe/handler/ResourcePacksPacketHandler.php b/src/network/mcpe/handler/ResourcePacksPacketHandler.php
index f82ed1232..356a95a76 100644
--- a/src/network/mcpe/handler/ResourcePacksPacketHandler.php
+++ b/src/network/mcpe/handler/ResourcePacksPacketHandler.php
@@ -163,7 +163,7 @@ class ResourcePacksPacketHandler extends PacketHandler{
 		}
 
 		$offset = $packet->chunkIndex * self::PACK_CHUNK_SIZE;
-		if($offset < 0 or $offset >= $pack->getPackSize()){
+		if($offset < 0 || $offset >= $pack->getPackSize()){
 			$this->disconnectWithError("Invalid out-of-bounds request for chunk $packet->chunkIndex of $packet->packId: offset $offset, file size " . $pack->getPackSize());
 			return false;
 		}
diff --git a/src/network/mcpe/raklib/RakLibInterface.php b/src/network/mcpe/raklib/RakLibInterface.php
index 15a8177fb..5d34ad352 100644
--- a/src/network/mcpe/raklib/RakLibInterface.php
+++ b/src/network/mcpe/raklib/RakLibInterface.php
@@ -180,7 +180,7 @@ class RakLibInterface implements ServerEventListener, AdvancedNetworkInterface{
 
 	public function onPacketReceive(int $sessionId, string $packet) : void{
 		if(isset($this->sessions[$sessionId])){
-			if($packet === "" or $packet[0] !== self::MCPE_RAKNET_PACKET_ID){
+			if($packet === "" || $packet[0] !== self::MCPE_RAKNET_PACKET_ID){
 				$this->sessions[$sessionId]->getLogger()->debug("Non-FE packet received: " . base64_encode($packet));
 				return;
 			}
diff --git a/src/network/mcpe/raklib/RakLibServer.php b/src/network/mcpe/raklib/RakLibServer.php
index 94ea2c973..e7ee44d2c 100644
--- a/src/network/mcpe/raklib/RakLibServer.php
+++ b/src/network/mcpe/raklib/RakLibServer.php
@@ -129,7 +129,7 @@ class RakLibServer extends Thread{
 	public function startAndWait(int $options = PTHREADS_INHERIT_NONE) : void{
 		$this->start($options);
 		$this->synchronized(function() : void{
-			while(!$this->ready and $this->crashInfo === null){
+			while(!$this->ready && $this->crashInfo === null){
 				$this->wait();
 			}
 			$crashInfo = $this->crashInfo;
diff --git a/src/network/query/QueryHandler.php b/src/network/query/QueryHandler.php
index 1fe207969..06b3c5ab0 100644
--- a/src/network/query/QueryHandler.php
+++ b/src/network/query/QueryHandler.php
@@ -104,7 +104,7 @@ class QueryHandler implements RawPacketHandler{
 					return true;
 				case self::STATISTICS: //Stat
 					$token = $stream->getInt();
-					if($token !== ($t1 = self::getTokenString($this->token, $address)) and $token !== ($t2 = self::getTokenString($this->lastToken, $address))){
+					if($token !== ($t1 = self::getTokenString($this->token, $address)) && $token !== ($t2 = self::getTokenString($this->lastToken, $address))){
 						$this->logger->debug("Bad token $token from $address $port, expected $t1 or $t2");
 
 						return true;
diff --git a/src/network/query/QueryInfo.php b/src/network/query/QueryInfo.php
index 559f9a653..5275edba7 100644
--- a/src/network/query/QueryInfo.php
+++ b/src/network/query/QueryInfo.php
@@ -204,7 +204,7 @@ final class QueryInfo{
 		$query = "";
 
 		$plist = $this->server_engine;
-		if(count($this->plugins) > 0 and $this->listPlugins){
+		if(count($this->plugins) > 0 && $this->listPlugins){
 			$plist .= ":";
 			foreach($this->plugins as $p){
 				$d = $p->getDescription();