Fix PHPStan errors

Author: dktapps

src/generic/ReceiveReliabilityLayer.php

@@ -176,6 +176,7 @@ private function handleEncapsulatedPacket(EncapsulatedPacket $packet) : void{
 		}
 
 		if(PacketReliability::isSequenced($packet->reliability)){
+			assert($packet->orderChannel !== null, 'This should have been set during decode');
 			if($packet->sequenceIndex < $this->receiveSequencedHighestIndex[$packet->orderChannel] or $packet->orderIndex < $this->receiveOrderedIndex[$packet->orderChannel]){
 				//too old sequenced packet, discard it
 				return;
@@ -184,6 +185,7 @@ private function handleEncapsulatedPacket(EncapsulatedPacket $packet) : void{
 			$this->receiveSequencedHighestIndex[$packet->orderChannel] = $packet->sequenceIndex + 1;
 			$this->handleEncapsulatedPacketRoute($packet);
 		}elseif(PacketReliability::isOrdered($packet->reliability)){
+			assert($packet->orderChannel !== null, 'This should have been set during decode');
 			if($packet->orderIndex === $this->receiveOrderedIndex[$packet->orderChannel]){
 				//this is the packet we expected to get next
 				//Any ordered packet resets the sequence index to zero, so that sequenced packets older than this ordered

src/generic/SendReliabilityLayer.php

@@ -169,8 +169,14 @@ public function addEncapsulatedToQueue(EncapsulatedPacket $packet, bool $immedia
 		}
 
 		if(PacketReliability::isOrdered($packet->reliability)){
+			if($packet->orderChannel === null){
+				throw new \InvalidArgumentException("Order channel must be set for an ordered packet");
+			}
 			$packet->orderIndex = $this->sendOrderedIndex[$packet->orderChannel]++;
 		}elseif(PacketReliability::isSequenced($packet->reliability)){
+			if($packet->orderChannel === null){
+				throw new \InvalidArgumentException("Order channel must be set for a sequenced packet");
+			}
 			$packet->orderIndex = $this->sendOrderedIndex[$packet->orderChannel]; //sequenced packets don't increment the ordered channel index
 			$packet->sequenceIndex = $this->sendSequencedIndex[$packet->orderChannel]++;
 		}

tools/proxy.php

@@ -38,6 +38,7 @@
 $bindAddr = "0.0.0.0";
 $bindPort = 19132;
 
+$argv ??= [];
 if(count($argv) === 3){
 	$serverAddress = $argv[1];
 	$serverPort = (int) $argv[2];

tools/scan.php

@@ -12,7 +12,7 @@
 
 require dirname(__DIR__) . '/vendor/autoload.php';
 
-if(count($argv) === 3){
+if(isset($argv) && count($argv) === 3){
 	$broadcastAddress = $argv[1];
 	$port = (int) $argv[2];
 }else{