diff --git a/src/pocketmine/command/FormattedCommandAlias.php b/src/pocketmine/command/FormattedCommandAlias.php
index 2c6a335d2..87655da02 100644
--- a/src/pocketmine/command/FormattedCommandAlias.php
+++ b/src/pocketmine/command/FormattedCommandAlias.php
@@ -74,14 +74,14 @@ class FormattedCommandAlias extends Command{
 		$index = strpos($formatString, '$');
 		while($index !== false){
 			$start = $index;
-			if($index > 0 and $formatString{$start - 1} === "\\"){
+			if($index > 0 and $formatString[$start - 1] === "\\"){
 				$formatString = substr($formatString, 0, $start - 1) . substr($formatString, $start);
 				$index = strpos($formatString, '$', $index);
 				continue;
 			}
 
 			$required = false;
-			if($formatString{$index + 1} == '$'){
+			if($formatString[$index + 1] == '$'){
 				$required = true;
 
 				++$index;
@@ -91,7 +91,7 @@ class FormattedCommandAlias extends Command{
 
 			$argStart = $index;
 
-			while($index < strlen($formatString) and self::inRange(ord($formatString{$index}) - 48, 0, 9)){
+			while($index < strlen($formatString) and self::inRange(ord($formatString[$index]) - 48, 0, 9)){
 				++$index;
 			}
 
@@ -109,7 +109,7 @@ class FormattedCommandAlias extends Command{
 
 			$rest = false;
 
-			if($index < strlen($formatString) and $formatString{$index} === "-"){
+			if($index < strlen($formatString) and $formatString[$index] === "-"){
 				$rest = true;
 				++$index;
 			}
diff --git a/src/pocketmine/command/defaults/VanillaCommand.php b/src/pocketmine/command/defaults/VanillaCommand.php
index 8d26e5c8d..50c5313a1 100644
--- a/src/pocketmine/command/defaults/VanillaCommand.php
+++ b/src/pocketmine/command/defaults/VanillaCommand.php
@@ -65,7 +65,7 @@ abstract class VanillaCommand extends Command{
 	 * @return float
 	 */
 	protected function getRelativeDouble(float $original, CommandSender $sender, string $input, float $min = self::MIN_COORD, float $max = self::MAX_COORD) : float{
-		if($input{0} === "~"){
+		if($input[0] === "~"){
 			$value = $this->getDouble($sender, substr($input, 1));
 
 			return $original + $value;
diff --git a/src/pocketmine/inventory/ShapedRecipe.php b/src/pocketmine/inventory/ShapedRecipe.php
index 04103cbfb..fb13d96f6 100644
--- a/src/pocketmine/inventory/ShapedRecipe.php
+++ b/src/pocketmine/inventory/ShapedRecipe.php
@@ -79,8 +79,8 @@ class ShapedRecipe implements CraftingRecipe{
 			}
 
 			for($x = 0; $x < $this->width; ++$x){
-				if($row{$x} !== ' ' and !isset($ingredients[$row{$x}])){
-					throw new \InvalidArgumentException("No item specified for symbol '" . $row{$x} . "'");
+				if($row[$x] !== ' ' and !isset($ingredients[$row[$x]])){
+					throw new \InvalidArgumentException("No item specified for symbol '" . $row[$x] . "'");
 				}
 			}
 		}
diff --git a/src/pocketmine/lang/BaseLang.php b/src/pocketmine/lang/BaseLang.php
index b4222bab8..aece04221 100644
--- a/src/pocketmine/lang/BaseLang.php
+++ b/src/pocketmine/lang/BaseLang.php
@@ -190,7 +190,7 @@ class BaseLang{
 
 		$len = strlen($text);
 		for($i = 0; $i < $len; ++$i){
-			$c = $text{$i};
+			$c = $text[$i];
 			if($replaceString !== null){
 				$ord = ord($c);
 				if(
diff --git a/src/pocketmine/level/format/Chunk.php b/src/pocketmine/level/format/Chunk.php
index deadc83df..8bbdefe19 100644
--- a/src/pocketmine/level/format/Chunk.php
+++ b/src/pocketmine/level/format/Chunk.php
@@ -460,7 +460,7 @@ class Chunk{
 	 * @return int 0-255
 	 */
 	public function getBiomeId(int $x, int $z) : int{
-		return ord($this->biomeIds{($z << 4) | $x});
+		return ord($this->biomeIds[($z << 4) | $x]);
 	}
 
 	/**
@@ -472,7 +472,7 @@ class Chunk{
 	 */
 	public function setBiomeId(int $x, int $z, int $biomeId){
 		$this->hasChanged = true;
-		$this->biomeIds{($z << 4) | $x} = chr($biomeId & 0xff);
+		$this->biomeIds[($z << 4) | $x] = chr($biomeId & 0xff);
 	}
 
 	/**
diff --git a/src/pocketmine/level/format/SubChunk.php b/src/pocketmine/level/format/SubChunk.php
index 5e067440f..20207c563 100644
--- a/src/pocketmine/level/format/SubChunk.php
+++ b/src/pocketmine/level/format/SubChunk.php
@@ -71,31 +71,31 @@ class SubChunk implements SubChunkInterface{
 	}
 
 	public function getBlockId(int $x, int $y, int $z) : int{
-		return ord($this->ids{($x << 8) | ($z << 4) | $y});
+		return ord($this->ids[($x << 8) | ($z << 4) | $y]);
 	}
 
 	public function setBlockId(int $x, int $y, int $z, int $id) : bool{
-		$this->ids{($x << 8) | ($z << 4) | $y} = chr($id);
+		$this->ids[($x << 8) | ($z << 4) | $y] = chr($id);
 		return true;
 	}
 
 	public function getBlockData(int $x, int $y, int $z) : int{
-		return (ord($this->data{($x << 7) | ($z << 3) | ($y >> 1)}) >> (($y & 1) << 2)) & 0xf;
+		return (ord($this->data[($x << 7) | ($z << 3) | ($y >> 1)]) >> (($y & 1) << 2)) & 0xf;
 	}
 
 	public function setBlockData(int $x, int $y, int $z, int $data) : bool{
 		$i = ($x << 7) | ($z << 3) | ($y >> 1);
 
 		$shift = ($y & 1) << 2;
-		$byte = ord($this->data{$i});
-		$this->data{$i} = chr(($byte & ~(0xf << $shift)) | (($data & 0xf) << $shift));
+		$byte = ord($this->data[$i]);
+		$this->data[$i] = chr(($byte & ~(0xf << $shift)) | (($data & 0xf) << $shift));
 
 		return true;
 	}
 
 	public function getFullBlock(int $x, int $y, int $z) : int{
 		$i = ($x << 8) | ($z << 4) | $y;
-		return (ord($this->ids{$i}) << 4) | ((ord($this->data{$i >> 1}) >> (($y & 1) << 2)) & 0xf);
+		return (ord($this->ids[$i]) << 4) | ((ord($this->data[$i >> 1]) >> (($y & 1) << 2)) & 0xf);
 	}
 
 	public function setBlock(int $x, int $y, int $z, ?int $id = null, ?int $data = null) : bool{
@@ -103,8 +103,8 @@ class SubChunk implements SubChunkInterface{
 		$changed = false;
 		if($id !== null){
 			$block = chr($id);
-			if($this->ids{$i} !== $block){
-				$this->ids{$i} = $block;
+			if($this->ids[$i] !== $block){
+				$this->ids[$i] = $block;
 				$changed = true;
 			}
 		}
@@ -113,10 +113,10 @@ class SubChunk implements SubChunkInterface{
 			$i >>= 1;
 
 			$shift = ($y & 1) << 2;
-			$oldPair = ord($this->data{$i});
+			$oldPair = ord($this->data[$i]);
 			$newPair = ($oldPair & ~(0xf << $shift)) | (($data & 0xf) << $shift);
 			if($newPair !== $oldPair){
-				$this->data{$i} = chr($newPair);
+				$this->data[$i] = chr($newPair);
 				$changed = true;
 			}
 		}
@@ -125,29 +125,29 @@ class SubChunk implements SubChunkInterface{
 	}
 
 	public function getBlockLight(int $x, int $y, int $z) : int{
-		return (ord($this->blockLight{($x << 7) | ($z << 3) | ($y >> 1)}) >> (($y & 1) << 2)) & 0xf;
+		return (ord($this->blockLight[($x << 7) | ($z << 3) | ($y >> 1)]) >> (($y & 1) << 2)) & 0xf;
 	}
 
 	public function setBlockLight(int $x, int $y, int $z, int $level) : bool{
 		$i = ($x << 7) | ($z << 3) | ($y >> 1);
 
 		$shift = ($y & 1) << 2;
-		$byte = ord($this->blockLight{$i});
-		$this->blockLight{$i} = chr(($byte & ~(0xf << $shift)) | (($level & 0xf) << $shift));
+		$byte = ord($this->blockLight[$i]);
+		$this->blockLight[$i] = chr(($byte & ~(0xf << $shift)) | (($level & 0xf) << $shift));
 
 		return true;
 	}
 
 	public function getBlockSkyLight(int $x, int $y, int $z) : int{
-		return (ord($this->skyLight{($x << 7) | ($z << 3) | ($y >> 1)}) >> (($y & 1) << 2)) & 0xf;
+		return (ord($this->skyLight[($x << 7) | ($z << 3) | ($y >> 1)]) >> (($y & 1) << 2)) & 0xf;
 	}
 
 	public function setBlockSkyLight(int $x, int $y, int $z, int $level) : bool{
 		$i = ($x << 7) | ($z << 3) | ($y >> 1);
 
 		$shift = ($y & 1) << 2;
-		$byte = ord($this->skyLight{$i});
-		$this->skyLight{$i} = chr(($byte & ~(0xf << $shift)) | (($level & 0xf) << $shift));
+		$byte = ord($this->skyLight[$i]);
+		$this->skyLight[$i] = chr(($byte & ~(0xf << $shift)) | (($level & 0xf) << $shift));
 
 		return true;
 	}
@@ -156,7 +156,7 @@ class SubChunk implements SubChunkInterface{
 		$low = ($x << 8) | ($z << 4);
 		$i = $low | 0x0f;
 		for(; $i >= $low; --$i){
-			if($this->ids{$i} !== "\x00"){
+			if($this->ids[$i] !== "\x00"){
 				return $i & 0x0f;
 			}
 		}
diff --git a/src/pocketmine/level/format/io/ChunkUtils.php b/src/pocketmine/level/format/io/ChunkUtils.php
index fcb980076..d14f11a51 100644
--- a/src/pocketmine/level/format/io/ChunkUtils.php
+++ b/src/pocketmine/level/format/io/ChunkUtils.php
@@ -47,7 +47,7 @@ if(!extension_loaded('pocketmine_chunkutils')){
 					for($z = $x; $z < $zM; $z += 16){
 						$yM = $z + 4096;
 						for($y = $z; $y < $yM; $y += 256){
-							$result{$i} = $array{$y};
+							$result[$i] = $array[$y];
 							++$i;
 						}
 					}
@@ -76,13 +76,13 @@ if(!extension_loaded('pocketmine_chunkutils')){
 						for($y = 0; $y < 8; ++$y){
 							$j = (($y << 8) | $zx);
 							$j80 = ($j | 0x80);
-							if($array{$j} === $commonValue and $array{$j80} === $commonValue){
+							if($array[$j] === $commonValue and $array[$j80] === $commonValue){
 								//values are already filled
 							}else{
-								$i1 = ord($array{$j});
-								$i2 = ord($array{$j80});
-								$result{$i}        = chr(($i2 << 4) | ($i1 & 0x0f));
-								$result{$i | 0x80} = chr(($i1 >> 4) | ($i2 & 0xf0));
+								$i1 = ord($array[$j]);
+								$i2 = ord($array[$j80]);
+								$result[$i]        = chr(($i2 << 4) | ($i1 & 0x0f));
+								$result[$i | 0x80] = chr(($i1 >> 4) | ($i2 & 0xf0));
 							}
 							$i++;
 						}
@@ -104,7 +104,7 @@ if(!extension_loaded('pocketmine_chunkutils')){
 		public static function convertBiomeColors(array $array) : string{
 			$result = str_repeat("\x00", 256);
 			foreach($array as $i => $color){
-				$result{$i} = chr(($color >> 24) & 0xff);
+				$result[$i] = chr(($color >> 24) & 0xff);
 			}
 			return $result;
 		}
diff --git a/src/pocketmine/level/generator/populator/GroundCover.php b/src/pocketmine/level/generator/populator/GroundCover.php
index 7da08e0f1..5961a5487 100644
--- a/src/pocketmine/level/generator/populator/GroundCover.php
+++ b/src/pocketmine/level/generator/populator/GroundCover.php
@@ -48,7 +48,7 @@ class GroundCover extends Populator{
 
 					$column = $chunk->getBlockIdColumn($x, $z);
 					for($y = 127; $y > 0; --$y){
-						if($column{$y} !== "\x00" and !BlockFactory::get(ord($column{$y}))->isTransparent()){
+						if($column[$y] !== "\x00" and !BlockFactory::get(ord($column[$y]))->isTransparent()){
 							break;
 						}
 					}
@@ -56,10 +56,10 @@ class GroundCover extends Populator{
 					$endY = $startY - count($cover);
 					for($y = $startY; $y > $endY and $y >= 0; --$y){
 						$b = $cover[$startY - $y];
-						if($column{$y} === "\x00" and $b->isSolid()){
+						if($column[$y] === "\x00" and $b->isSolid()){
 							break;
 						}
-						if($b->canBeFlowedInto() and BlockFactory::get(ord($column{$y})) instanceof Liquid){
+						if($b->canBeFlowedInto() and BlockFactory::get(ord($column[$y])) instanceof Liquid){
 							continue;
 						}
 						if($b->getDamage() === 0){
diff --git a/src/pocketmine/network/mcpe/VerifyLoginTask.php b/src/pocketmine/network/mcpe/VerifyLoginTask.php
index f4cdaf5ea..b56f8efe8 100644
--- a/src/pocketmine/network/mcpe/VerifyLoginTask.php
+++ b/src/pocketmine/network/mcpe/VerifyLoginTask.php
@@ -120,12 +120,12 @@ class VerifyLoginTask extends AsyncTask{
 		[$rString, $sString] = str_split($plainSignature, 48);
 
 		$rString = ltrim($rString, "\x00");
-		if(ord($rString{0}) >= 128){ //Would be considered signed, pad it with an extra zero
+		if(ord($rString[0]) >= 128){ //Would be considered signed, pad it with an extra zero
 			$rString = "\x00" . $rString;
 		}
 
 		$sString = ltrim($sString, "\x00");
-		if(ord($sString{0}) >= 128){ //Would be considered signed, pad it with an extra zero
+		if(ord($sString[0]) >= 128){ //Would be considered signed, pad it with an extra zero
 			$sString = "\x00" . $sString;
 		}
 
diff --git a/src/pocketmine/network/mcpe/protocol/UnknownPacket.php b/src/pocketmine/network/mcpe/protocol/UnknownPacket.php
index 1b5b756de..e110c4043 100644
--- a/src/pocketmine/network/mcpe/protocol/UnknownPacket.php
+++ b/src/pocketmine/network/mcpe/protocol/UnknownPacket.php
@@ -37,7 +37,7 @@ class UnknownPacket extends DataPacket{
 
 	public function pid(){
 		if(strlen($this->payload ?? "") > 0){
-			return ord($this->payload{0});
+			return ord($this->payload[0]);
 		}
 		return self::NETWORK_ID;
 	}
diff --git a/src/pocketmine/network/query/QueryHandler.php b/src/pocketmine/network/query/QueryHandler.php
index 73125866b..2c605b027 100644
--- a/src/pocketmine/network/query/QueryHandler.php
+++ b/src/pocketmine/network/query/QueryHandler.php
@@ -92,7 +92,7 @@ class QueryHandler{
 
 	public function handle(AdvancedSourceInterface $interface, string $address, int $port, string $packet){
 		$offset = 2;
-		$packetType = ord($packet{$offset++});
+		$packetType = ord($packet[$offset++]);
 		$sessionID = Binary::readInt(substr($packet, $offset, 4));
 		$offset += 4;
 		$payload = substr($packet, $offset);
diff --git a/src/pocketmine/permission/BanList.php b/src/pocketmine/permission/BanList.php
index d6bc206cb..de2ca150d 100644
--- a/src/pocketmine/permission/BanList.php
+++ b/src/pocketmine/permission/BanList.php
@@ -154,7 +154,7 @@ class BanList{
 		$fp = @fopen($this->file, "r");
 		if(is_resource($fp)){
 			while(($line = fgets($fp)) !== false){
-				if($line{0} !== "#"){
+				if($line[0] !== "#"){
 					try{
 						$entry = BanEntry::fromString($line);
 						if($entry instanceof BanEntry){
diff --git a/src/pocketmine/utils/Utils.php b/src/pocketmine/utils/Utils.php
index ef2fb0d34..5f388c592 100644
--- a/src/pocketmine/utils/Utils.php
+++ b/src/pocketmine/utils/Utils.php
@@ -496,7 +496,7 @@ class Utils{
 	public static function javaStringHash(string $string) : int{
 		$hash = 0;
 		for($i = 0, $len = strlen($string); $i < $len; $i++){
-			$ord = ord($string{$i});
+			$ord = ord($string[$i]);
 			if($ord & 0x80){
 				$ord -= 0x100;
 			}