PHP8.0: Use throw as expression where applicable

src/muqsit/tebex/handler/command/RegisteredTebexCommandExecutor.php

@@ -132,9 +132,7 @@ public function registerSubCommand(TebexSubCommand $sub_command) : void{
 	}
 
 	public function unregisterSubCommand(string $name) : void{
-		if(!isset($this->sub_commands[$name])){
-			throw new InvalidArgumentException("Tried unregistering an unregistered sub-command: {$name}");
-		}
+		isset($this->sub_commands[$name]) || throw new InvalidArgumentException("Tried unregistering an unregistered sub-command: {$name}");
 		foreach($this->sub_commands[$name]->aliases as $alias){
 			unset($this->aliases[$alias]);
 		}

src/muqsit/tebex/handler/due/playerlist/indexer/XuidBasedPlayerIndexer.php

@@ -15,9 +15,7 @@ public function __construct(){
 
 	public function fromPlayer(Player $player) : string{
 		$xuid = $player->getXuid();
-		if($xuid === ""){
-			throw new InvalidArgumentException("Cannot retrieve XUID of player: {$player->getName()}");
-		}
+		$xuid !== "" || throw new InvalidArgumentException("Cannot retrieve XUID of player: {$player->getName()}");
 		return $xuid;
 	}
 

src/muqsit/tebex/thread/TebexThreadPool.php

@@ -8,6 +8,7 @@
 use pocketmine\Server;
 use pocketmine\snooze\SleeperHandlerEntry;
 use UnderflowException;
+use function count;
 
 final class TebexThreadPool{
 
@@ -36,10 +37,7 @@ public function addWorker(TebexThread $thread) : void{
 	}
 
 	public function start() : void{
-		if(count($this->workers) === 0){
-			throw new UnderflowException("Cannot start an empty pool of workers");
-		}
-
+		count($this->workers) > 0 || throw new UnderflowException("Cannot start an empty pool of workers");
 		foreach($this->workers as $thread){
 			$thread->start();
 		}

src/muqsit/tebex/utils/TypeValidator.php

@@ -5,6 +5,9 @@
 namespace muqsit\tebex\utils;
 
 use InvalidArgumentException;
+use function is_array;
+use function is_int;
+use function is_string;
 
 final class TypeValidator{
 
@@ -13,19 +16,15 @@ private static function printValue(mixed $value) : string{
 	}
 
 	public static function validateInt(string $key, mixed $value, int $min = PHP_INT_MIN, int $max = PHP_INT_MAX) : int{
-		if(!is_int($value)){
-			throw new InvalidArgumentException("Invalid value for {$key}: " . self::printValue($value));
-		}
+		is_int($value) || throw new InvalidArgumentException("Invalid value for {$key}: " . self::printValue($value));
 		if($value < $min || $value > $max){
 			throw new InvalidArgumentException("{$key}'s value is out of range [{$min}, {$max}]");
 		}
 		return $value;
 	}
 
 	public static function validateString(string $key, mixed $value) : string{
-		if(!is_string($value)){
-			throw new InvalidArgumentException("Invalid value for {$key}: " . self::printValue($value));
-		}
+		is_string($value) || throw new InvalidArgumentException("Invalid value for {$key}: " . self::printValue($value));
 		return $value;
 	}
 
@@ -35,9 +34,7 @@ public static function validateString(string $key, mixed $value) : string{
 	 * @return string[]
 	 */
 	public static function validateStringList(string $key, mixed $value) : array{
-		if(!is_array($value)){
-			throw new InvalidArgumentException("Invalid value for {$key}: " . self::printValue($value));
-		}
+		is_array($value) || throw new InvalidArgumentException("Invalid value for {$key}: " . self::printValue($value));
 		foreach($value as $index => $item){
 			self::validateString("{$key}.{$index}", $item);
 		}