diff --git a/tools/compact-regions.php b/tools/compact-regions.php
index 62f1d35f4..f1091f101 100644
--- a/tools/compact-regions.php
+++ b/tools/compact-regions.php
@@ -62,12 +62,12 @@ function find_regions_recursive(string $dir, array &$files) : void{
 		return;
 	}
 	foreach($dirFiles as $file){
-		if($file === "." or $file === ".."){
+		if($file === "." || $file === ".."){
 			continue;
 		}
 		$fullPath = $dir . "/" . $file;
 		if(
-			in_array(pathinfo($fullPath, PATHINFO_EXTENSION), SUPPORTED_EXTENSIONS, true) and
+			in_array(pathinfo($fullPath, PATHINFO_EXTENSION), SUPPORTED_EXTENSIONS, true) &&
 			is_file($fullPath)
 		){
 			$files[$fullPath] = filesize($fullPath);
diff --git a/tools/convert-world.php b/tools/convert-world.php
index 7d83d5fd8..bbe2ee9a7 100644
--- a/tools/convert-world.php
+++ b/tools/convert-world.php
@@ -59,7 +59,7 @@ if($inputPath === false){
 	exit(1);
 }
 $backupPath = realpath($args["backup"]);
-if($backupPath === false || (!@mkdir($backupPath, 0777, true) and !is_dir($backupPath)) or !is_writable($backupPath)){
+if($backupPath === false || (!@mkdir($backupPath, 0777, true) && !is_dir($backupPath)) || !is_writable($backupPath)){
 	fwrite(STDERR, "Backup file path " . $args["backup"] . " is not writable (permission error or doesn't exist), aborting" . PHP_EOL);
 	exit(1);
 }
diff --git a/tools/ping-server.php b/tools/ping-server.php
index ad2bd59ef..ae6f896c2 100644
--- a/tools/ping-server.php
+++ b/tools/ping-server.php
@@ -88,7 +88,7 @@ function ping_server(\Socket $socket, string $serverIp, int $serverPort, int $ti
 			\GlobalLogger::get()->error("Error reading from socket: " . socket_strerror(socket_last_error($socket)));
 			return false;
 		}
-		if($recvAddr === $serverIp and $recvPort === $serverPort and $recvBuffer !== "" and ord($recvBuffer[0]) === MessageIdentifiers::ID_UNCONNECTED_PONG){
+		if($recvAddr === $serverIp && $recvPort === $serverPort && $recvBuffer !== "" && ord($recvBuffer[0]) === MessageIdentifiers::ID_UNCONNECTED_PONG){
 			$pong = new UnconnectedPong();
 			$pong->decode(new PacketSerializer($recvBuffer));
 			\GlobalLogger::get()->info("--- Response received ---");