diff --git a/.github/workflows/ci.yml b/.github/workflows/ci.yml
index 00ebc1c..ff16c51 100644
--- a/.github/workflows/ci.yml
+++ b/.github/workflows/ci.yml
@@ -14,5 +14,7 @@ jobs:
       run: composer install --no-interaction --no-progress
     - name: Run tests
       run: php${{ matrix.php }} vendor/bin/phpunit --configuration Tests/phpunit.xml --verbose --fail-on-warning
+    - name: Run phpstan
+      run: php${{ matrix.php }} vendor/bin/phpstan
     - name: Run psalm
       run: php${{ matrix.php }} vendor/bin/psalm
diff --git a/Examples/Example.php b/Examples/Example.php
index 7e40f03..caa7efb 100644
--- a/Examples/Example.php
+++ b/Examples/Example.php
@@ -4,8 +4,8 @@
 	use xPaw\SourceQuery\SourceQuery;
 	
 	// For the sake of this example
-	Header( 'Content-Type: text/plain' );
-	Header( 'X-Content-Type-Options: nosniff' );
+	header( 'Content-Type: text/plain' );
+	header( 'X-Content-Type-Options: nosniff' );
 	
 	// Edit this ->
 	define( 'SQ_SERVER_ADDR', 'localhost' );
diff --git a/Examples/RconExample.php b/Examples/RconExample.php
index 7d96c66..5888415 100644
--- a/Examples/RconExample.php
+++ b/Examples/RconExample.php
@@ -4,8 +4,8 @@
 	use xPaw\SourceQuery\SourceQuery;
 	
 	// For the sake of this example
-	Header( 'Content-Type: text/plain' );
-	Header( 'X-Content-Type-Options: nosniff' );
+	header( 'Content-Type: text/plain' );
+	header( 'X-Content-Type-Options: nosniff' );
 	
 	// Edit this ->
 	define( 'SQ_SERVER_ADDR', 'localhost' );
diff --git a/Examples/View.php b/Examples/View.php
index d6e764d..11cb15e 100644
--- a/Examples/View.php
+++ b/Examples/View.php
@@ -10,13 +10,13 @@
 	define( 'SQ_ENGINE',      SourceQuery::SOURCE );
 	// Edit this <-
 	
-	$Timer = MicroTime( true );
+	$Timer = microtime( true );
 	
 	$Query = new SourceQuery( );
 	
-	$Info    = Array( );
-	$Rules   = Array( );
-	$Players = Array( );
+	$Info    = [];
+	$Rules   = [];
+	$Players = [];
 	$Exception = null;
 	
 	try
@@ -37,7 +37,7 @@
 		$Query->Disconnect( );
 	}
 	
-	$Timer = Number_Format( MicroTime( true ) - $Timer, 4, '.', '' );
+	$Timer = number_format( microtime( true ) - $Timer, 4, '.', '' );
 ?>
 
 
@@ -103,12 +103,12 @@
 						
 					
 					
-
+
  $InfoValue ): ?>
 						
 							|  | ";
 		print_r( $InfoValue );
@@ -176,7 +176,7 @@ | 
 					
 					
-
+
  $Value ): ?>
 						
 							| diff --git a/SourceQuery/BaseSocket.php b/SourceQuery/BaseSocket.php
index 33fa9c4..1ce405e 100644
--- a/SourceQuery/BaseSocket.php
+++ b/SourceQuery/BaseSocket.php
@@ -25,7 +25,7 @@
 	 */
 	abstract class BaseSocket
 	{
-		/** @var resource */
+		/** @var ?resource */
 		public $Socket;
 		public int $Engine;
 		
@@ -108,30 +108,30 @@
 				}
 				while( $ReadMore && $SherlockFunction( $Buffer, $Length ) );
 				
-				$Data = Implode( $Packets );
+				$Data = implode( $Packets );
 				
 				// TODO: Test this
 				if( $IsCompressed )
 				{
 					// Let's make sure this function exists, it's not included in PHP by default
-					if( !Function_Exists( 'bzdecompress' ) )
+					if( !function_exists( 'bzdecompress' ) )
 					{
 						throw new \RuntimeException( 'Received compressed packet, PHP doesn\'t have Bzip2 library installed, can\'t decompress.' );
 					}
 					
 					$Data = bzdecompress( $Data );
 					
-					if( !is_string( $Data ) || CRC32( $Data ) !== $PacketChecksum )
+					if( !is_string( $Data ) || crc32( $Data ) !== $PacketChecksum )
 					{
 						throw new InvalidPacketException( 'CRC32 checksum mismatch of uncompressed packet data.', InvalidPacketException::CHECKSUM_MISMATCH );
 					}
 				}
 				
-				$Buffer->Set( SubStr( $Data, 4 ) );
+				$Buffer->Set( substr( $Data, 4 ) );
 			}
 			else
 			{
-				throw new InvalidPacketException( 'Socket read: Raw packet header mismatch. (0x' . DecHex( $Header ) . ')', InvalidPacketException::PACKET_HEADER_MISMATCH );
+				throw new InvalidPacketException( 'Socket read: Raw packet header mismatch. (0x' . dechex( $Header ) . ')', InvalidPacketException::PACKET_HEADER_MISMATCH );
 			}
 			
 			return $Buffer;
diff --git a/SourceQuery/Buffer.php b/SourceQuery/Buffer.php
index 6112016..2452c99 100644
--- a/SourceQuery/Buffer.php
+++ b/SourceQuery/Buffer.php
@@ -44,7 +44,7 @@
 		public function Set( string $Buffer ) : void
 		{
 			$this->Buffer   = $Buffer;
-			$this->Length   = StrLen( $Buffer );
+			$this->Length   = strlen( $Buffer );
 			$this->Position = 0;
 		}
 		
@@ -81,7 +81,7 @@
 				return '';
 			}
 			
-			$Data = SubStr( $this->Buffer, $this->Position, $Length );
+			$Data = substr( $this->Buffer, $this->Position, $Length );
 			
 			$this->Position += $Length;
 			
@@ -93,7 +93,7 @@
 		 */
 		public function GetByte( ) : int
 		{
-			return Ord( $this->Get( 1 ) );
+			return ord( $this->Get( 1 ) );
 		}
 		
 		/**
@@ -106,7 +106,7 @@
 				throw new InvalidPacketException( 'Not enough data to unpack a short.', InvalidPacketException::BUFFER_EMPTY );
 			}
 			
-			$Data = UnPack( 'v', $this->Get( 2 ) );
+			$Data = unpack( 'v', $this->Get( 2 ) );
 			
 			return (int)$Data[ 1 ];
 		}
@@ -121,7 +121,7 @@
 				throw new InvalidPacketException( 'Not enough data to unpack a long.', InvalidPacketException::BUFFER_EMPTY );
 			}
 			
-			$Data = UnPack( 'l', $this->Get( 4 ) );
+			$Data = unpack( 'l', $this->Get( 4 ) );
 			
 			return (int)$Data[ 1 ];
 		}
@@ -136,7 +136,7 @@
 				throw new InvalidPacketException( 'Not enough data to unpack a float.', InvalidPacketException::BUFFER_EMPTY );
 			}
 			
-			$Data = UnPack( 'f', $this->Get( 4 ) );
+			$Data = unpack( 'f', $this->Get( 4 ) );
 			
 			return (float)$Data[ 1 ];
 		}
@@ -151,7 +151,7 @@
 				throw new InvalidPacketException( 'Not enough data to unpack an usigned long.', InvalidPacketException::BUFFER_EMPTY );
 			}
 			
-			$Data = UnPack( 'V', $this->Get( 4 ) );
+			$Data = unpack( 'V', $this->Get( 4 ) );
 			
 			return (int)$Data[ 1 ];
 		}
@@ -161,7 +161,7 @@
 		 */
 		public function GetString( ) : string
 		{
-			$ZeroBytePosition = StrPos( $this->Buffer, "\0", $this->Position );
+			$ZeroBytePosition = strpos( $this->Buffer, "\0", $this->Position );
 			
 			if( $ZeroBytePosition === false )
 			{
diff --git a/SourceQuery/GoldSourceRcon.php b/SourceQuery/GoldSourceRcon.php
index ceb7270..ec9f763 100644
--- a/SourceQuery/GoldSourceRcon.php
+++ b/SourceQuery/GoldSourceRcon.php
@@ -53,10 +53,10 @@
 		
 		public function Write( int $Header, string $String = '' ) : bool
 		{
-			$Command = Pack( 'cccca*', 0xFF, 0xFF, 0xFF, 0xFF, $String );
-			$Length  = StrLen( $Command );
+			$Command = pack( 'cccca*', 0xFF, 0xFF, 0xFF, 0xFF, $String );
+			$Length  = strlen( $Command );
 			
-			return $Length === FWrite( $this->Socket->Socket, $Command, $Length );
+			return $Length === fwrite( $this->Socket->Socket, $Command, $Length );
 		}
 		
 		/**
@@ -89,7 +89,7 @@
 					//$StringBuffer .= SubStr( $Packet, 0, -2 );
 					
 					// Let's assume if this packet is not long enough, there are no more after this one
-					$ReadMore = StrLen( $Packet ) > 1000; // use 1300?
+					$ReadMore = strlen( $Packet ) > 1000; // use 1300?
 					
 					if( $ReadMore )
 					{
@@ -140,6 +140,6 @@
 				throw new AuthenticationException( 'Failed to get RCON challenge.', AuthenticationException::BAD_PASSWORD );
 			}
 			
-			$this->RconChallenge = Trim( $Buffer->Get( ) );
+			$this->RconChallenge = trim( $Buffer->Get( ) );
 		}
 	}
diff --git a/SourceQuery/Socket.php b/SourceQuery/Socket.php
index 00f9325..726a4d1 100644
--- a/SourceQuery/Socket.php
+++ b/SourceQuery/Socket.php
@@ -29,7 +29,7 @@
 		{
 			if( $this->Socket !== null )
 			{
-				FClose( $this->Socket );
+				fclose( $this->Socket );
 				
 				$this->Socket = null;
 			}
@@ -42,7 +42,7 @@
 			$this->Port    = $Port;
 			$this->Address = $Address;
 			
-			$Socket = @FSockOpen( 'udp://' . $Address, $Port, $ErrNo, $ErrStr, $Timeout );
+			$Socket = @fsockopen( 'udp://' . $Address, $Port, $ErrNo, $ErrStr, $Timeout );
 			
 			if( $ErrNo || $Socket === false )
 			{
@@ -50,16 +50,16 @@
 			}
 			
 			$this->Socket = $Socket;
-			Stream_Set_Timeout( $this->Socket, $Timeout );
-			Stream_Set_Blocking( $this->Socket, true );
+			stream_set_timeout( $this->Socket, $Timeout );
+			stream_set_blocking( $this->Socket, true );
 		}
 		
 		public function Write( int $Header, string $String = '' ) : bool
 		{
-			$Command = Pack( 'ccccca*', 0xFF, 0xFF, 0xFF, 0xFF, $Header, $String );
-			$Length  = StrLen( $Command );
+			$Command = pack( 'ccccca*', 0xFF, 0xFF, 0xFF, 0xFF, $Header, $String );
+			$Length  = strlen( $Command );
 			
-			return $Length === FWrite( $this->Socket, $Command, $Length );
+			return $Length === fwrite( $this->Socket, $Command, $Length );
 		}
 		
 		/**
@@ -72,7 +72,7 @@
 		public function Read( int $Length = 1400 ) : Buffer
 		{
 			$Buffer = new Buffer( );
-			$Buffer->Set( FRead( $this->Socket, $Length ) );
+			$Buffer->Set( fread( $this->Socket, $Length ) );
 			
 			$this->ReadInternal( $Buffer, $Length, [ $this, 'Sherlock' ] );
 			
@@ -81,9 +81,9 @@
 		
 		public function Sherlock( Buffer $Buffer, int $Length ) : bool
 		{
-			$Data = FRead( $this->Socket, $Length );
+			$Data = fread( $this->Socket, $Length );
 			
-			if( StrLen( $Data ) < 4 )
+			if( strlen( $Data ) < 4 )
 			{
 				return false;
 			}
diff --git a/SourceQuery/SourceQuery.php b/SourceQuery/SourceQuery.php
index b4652fb..74f7f57 100644
--- a/SourceQuery/SourceQuery.php
+++ b/SourceQuery/SourceQuery.php
@@ -240,8 +240,8 @@
 				$Server[ 'Players' ]    = $Buffer->GetByte( );
 				$Server[ 'MaxPlayers' ] = $Buffer->GetByte( );
 				$Server[ 'Protocol' ]   = $Buffer->GetByte( );
-				$Server[ 'Dedicated' ]  = Chr( $Buffer->GetByte( ) );
-				$Server[ 'Os' ]         = Chr( $Buffer->GetByte( ) );
+				$Server[ 'Dedicated' ]  = chr( $Buffer->GetByte( ) );
+				$Server[ 'Os' ]         = chr( $Buffer->GetByte( ) );
 				$Server[ 'Password' ]   = $Buffer->GetByte( ) === 1;
 				$Server[ 'IsMod' ]      = $Buffer->GetByte( ) === 1;
 				
@@ -266,7 +266,7 @@
 			
 			if( $Type !== self::S2A_INFO_SRC )
 			{
-				throw new InvalidPacketException( 'GetInfo: Packet header mismatch. (0x' . DecHex( $Type ) . ')', InvalidPacketException::PACKET_HEADER_MISMATCH );
+				throw new InvalidPacketException( 'GetInfo: Packet header mismatch. (0x' . dechex( $Type ) . ')', InvalidPacketException::PACKET_HEADER_MISMATCH );
 			}
 			
 			$Server[ 'Protocol' ]   = $Buffer->GetByte( );
@@ -278,8 +278,8 @@
 			$Server[ 'Players' ]    = $Buffer->GetByte( );
 			$Server[ 'MaxPlayers' ] = $Buffer->GetByte( );
 			$Server[ 'Bots' ]       = $Buffer->GetByte( );
-			$Server[ 'Dedicated' ]  = Chr( $Buffer->GetByte( ) );
-			$Server[ 'Os' ]         = Chr( $Buffer->GetByte( ) );
+			$Server[ 'Dedicated' ]  = chr( $Buffer->GetByte( ) );
+			$Server[ 'Os' ]         = chr( $Buffer->GetByte( ) );
 			$Server[ 'Password' ]   = $Buffer->GetByte( ) === 1;
 			$Server[ 'Secure' ]     = $Buffer->GetByte( ) === 1;
 			
@@ -390,7 +390,7 @@
 			
 			if( $Type !== self::S2A_PLAYER )
 			{
-				throw new InvalidPacketException( 'GetPlayers: Packet header mismatch. (0x' . DecHex( $Type ) . ')', InvalidPacketException::PACKET_HEADER_MISMATCH );
+				throw new InvalidPacketException( 'GetPlayers: Packet header mismatch. (0x' . dechex( $Type ) . ')', InvalidPacketException::PACKET_HEADER_MISMATCH );
 			}
 			
 			$Players = [];
@@ -403,7 +403,7 @@
 				$Player[ 'Name' ]  = $Buffer->GetString( );
 				$Player[ 'Frags' ] = $Buffer->GetLong( );
 				$Player[ 'Time' ]  = (int)$Buffer->GetFloat( );
-				$Player[ 'TimeF' ] = GMDate( ( $Player[ 'Time' ] > 3600 ? "H:i:s" : "i:s" ), $Player[ 'Time' ] );
+				$Player[ 'TimeF' ] = gmdate( ( $Player[ 'Time' ] > 3600 ? 'H:i:s' : 'i:s' ), $Player[ 'Time' ] );
 				
 				$Players[ ] = $Player;
 			}
@@ -435,7 +435,7 @@
 			
 			if( $Type !== self::S2A_RULES )
 			{
-				throw new InvalidPacketException( 'GetRules: Packet header mismatch. (0x' . DecHex( $Type ) . ')', InvalidPacketException::PACKET_HEADER_MISMATCH );
+				throw new InvalidPacketException( 'GetRules: Packet header mismatch. (0x' . dechex( $Type ) . ')', InvalidPacketException::PACKET_HEADER_MISMATCH );
 			}
 			
 			$Rules = [];
@@ -446,7 +446,7 @@
 				$Rule  = $Buffer->GetString( );
 				$Value = $Buffer->GetString( );
 				
-				if( !Empty( $Rule ) )
+				if( !empty( $Rule ) )
 				{
 					$Rules[ $Rule ] = $Value;
 				}
@@ -497,7 +497,7 @@
 				}
 				default:
 				{
-					throw new InvalidPacketException( 'GetChallenge: Packet header mismatch. (0x' . DecHex( $Type ) . ')', InvalidPacketException::PACKET_HEADER_MISMATCH );
+					throw new InvalidPacketException( 'GetChallenge: Packet header mismatch. (0x' . dechex( $Type ) . ')', InvalidPacketException::PACKET_HEADER_MISMATCH );
 				}
 			}
 		}
diff --git a/SourceQuery/SourceRcon.php b/SourceQuery/SourceRcon.php
index e6d2566..56919e0 100644
--- a/SourceQuery/SourceRcon.php
+++ b/SourceQuery/SourceRcon.php
@@ -32,7 +32,7 @@
 		 */
 		private BaseSocket $Socket;
 		
-		/** @var resource */
+		/** @var ?resource */
 		private $RconSocket;
 		private int $RconRequestId = 0;
 		
@@ -45,7 +45,7 @@
 		{
 			if( $this->RconSocket )
 			{
-				FClose( $this->RconSocket );
+				fclose( $this->RconSocket );
 				
 				$this->RconSocket = null;
 			}
@@ -57,7 +57,7 @@
 		{
 			if( !$this->RconSocket )
 			{
-				$RconSocket = @FSockOpen( $this->Socket->Address, $this->Socket->Port, $ErrNo, $ErrStr, $this->Socket->Timeout );
+				$RconSocket = @fsockopen( $this->Socket->Address, $this->Socket->Port, $ErrNo, $ErrStr, $this->Socket->Timeout );
 				
 				if( $ErrNo || !$RconSocket )
 				{
@@ -65,27 +65,27 @@
 				}
 				
 				$this->RconSocket = $RconSocket;
-				Stream_Set_Timeout( $this->RconSocket, $this->Socket->Timeout );
-				Stream_Set_Blocking( $this->RconSocket, true );
+				stream_set_timeout( $this->RconSocket, $this->Socket->Timeout );
+				stream_set_blocking( $this->RconSocket, true );
 			}
 		}
 		
 		public function Write( int $Header, string $String = '' ) : bool
 		{
 			// Pack the packet together
-			$Command = Pack( 'VV', ++$this->RconRequestId, $Header ) . $String . "\x00\x00"; 
+			$Command = pack( 'VV', ++$this->RconRequestId, $Header ) . $String . "\x00\x00"; 
 			
 			// Prepend packet length
-			$Command = Pack( 'V', StrLen( $Command ) ) . $Command;
-			$Length  = StrLen( $Command );
+			$Command = pack( 'V', strlen( $Command ) ) . $Command;
+			$Length  = strlen( $Command );
 			
-			return $Length === FWrite( $this->RconSocket, $Command, $Length );
+			return $Length === fwrite( $this->RconSocket, $Command, $Length );
 		}
 		
 		public function Read( ) : Buffer
 		{
 			$Buffer = new Buffer( );
-			$Buffer->Set( FRead( $this->RconSocket, 4 ) );
+			$Buffer->Set( fread( $this->RconSocket, 4 ) );
 			
 			if( $Buffer->Remaining( ) < 4 )
 			{
@@ -94,23 +94,21 @@
 			
 			$PacketSize = $Buffer->GetLong( );
 			
-			$Buffer->Set( FRead( $this->RconSocket, $PacketSize ) );
+			$Buffer->Set( fread( $this->RconSocket, $PacketSize ) );
 			
 			$Data = $Buffer->Get( );
 			
-			$Remaining = $PacketSize - StrLen( $Data );
+			$Remaining = $PacketSize - strlen( $Data );
 			
 			while( $Remaining > 0 )
 			{
-				$Data2 = FRead( $this->RconSocket, $Remaining );
+				$Data2 = fread( $this->RconSocket, $Remaining );
 				
-				$PacketSize = StrLen( $Data2 );
+				$PacketSize = strlen( $Data2 );
 				
 				if( $PacketSize === 0 )
 				{
 					throw new InvalidPacketException( 'Read ' . strlen( $Data ) . ' bytes from socket, ' . $Remaining . ' remaining', InvalidPacketException::BUFFER_EMPTY );
-					
-					break;
 				}
 				
 				$Data .= $Data2;
@@ -144,7 +142,7 @@
 			
 			// We do this stupid hack to handle split packets
 			// See https://developer.valvesoftware.com/wiki/Source_RCON_Protocol#Multiple-packet_Responses
-			if( StrLen( $Data ) >= 4000 )
+			if( strlen( $Data ) >= 4000 )
 			{
 				$this->Write( SourceQuery::SERVERDATA_REQUESTVALUE );
 				
diff --git a/Tests/Tests.php b/Tests/Tests.php
index dc0ebda..1453554 100644
--- a/Tests/Tests.php
+++ b/Tests/Tests.php
@@ -6,10 +6,12 @@
 	
 	class TestableSocket extends BaseSocket
 	{
+		/** @var \SplQueue */
 		private \SplQueue $PacketQueue;
 		
 		public function __construct( )
 		{
+			/** @var \SplQueue */
 			$this->PacketQueue = new \SplQueue();
 			$this->PacketQueue->setIteratorMode( \SplDoublyLinkedList::IT_MODE_DELETE );
 			
@@ -41,7 +43,7 @@
 		public function Read( int $Length = 1400 ) : Buffer
 		{
 			$Buffer = new Buffer( );
-			$Buffer->Set( (string)$this->PacketQueue->shift() );
+			$Buffer->Set( $this->PacketQueue->shift() );
 			
 			$this->ReadInternal( $Buffer, $Length, [ $this, 'Sherlock' ] );
 			
@@ -55,7 +57,7 @@
 				return false;
 			}
 			
-			$Buffer->Set( (string)$this->PacketQueue->shift() );
+			$Buffer->Set( $this->PacketQueue->shift() );
 			
 			return $Buffer->GetLong( ) === -2;
 		}
@@ -245,6 +247,7 @@
 		
 		/**
 		 * @dataProvider RulesProvider
+		 * @param array $RawInput
 		 */
 		public function testGetRules( array $RawInput, array $ExpectedOutput ) : void
 		{
@@ -280,6 +283,7 @@
 		
 		/**
 		 * @dataProvider PlayersProvider
+		 * @param array $RawInput
 		 */
 		public function testGetPlayers( array $RawInput, array $ExpectedOutput ) : void
 		{
diff --git a/composer.json b/composer.json
index 1d5e393..5a2d346 100644
--- a/composer.json
+++ b/composer.json
@@ -23,7 +23,8 @@
 	"require-dev":
 	{
 		"phpunit/phpunit": "^9.5",
-		"vimeo/psalm": "^4.7"
+		"vimeo/psalm": "^4.7",
+		"phpstan/phpstan": "^0.12.83"
 	},
 	"autoload":
 	{
diff --git a/phpstan.neon b/phpstan.neon
new file mode 100644
index 0000000..0deb5a0
--- /dev/null
+++ b/phpstan.neon
@@ -0,0 +1,8 @@
+parameters:
+	checkMissingIterableValueType: false
+	checkFunctionNameCase: true
+	level: 6
+	paths:
+		- .
+	excludes_analyse:
+		- vendor |