NBT object to code

NBTDumper.php

<?php

declare(strict_types=1);

namespace NS;


use pocketmine\nbt\NBTStream;
use pocketmine\nbt\NetworkLittleEndianNBTStream;
use pocketmine\nbt\tag\NamedTag;

class NBTDumper{
	public static function substituteClass(NamedTag $tag){
		$class = self::getClassName($tag);
		return new class($class, $tag->getName(), $tag->getValue()) extends NamedTag{
			/** @var string */
			private $class;
			/** @var mixed */
			private $value;
			/** @var bool */
			private $asHex;

			/**
			 *  constructor.
			 * @param string $class
			 * @param string $name
			 * @param mixed  $value
			 * @param bool   $asHex
			 */
			public function __construct(string $class, string $name, $value, bool $asHex = false){
				parent::__construct($name);
				$this->class = $class;
				$this->value = $value;
				$this->asHex = $asHex;
			}

			public function getValue(){
				return $this->value;
			}

			public function getType() : int{
				return -1;
			}

			public function write(NBTStream $nbt) : void{
			}

			public function read(NBTStream $nbt) : void{
			}

			public function __toString() : string{
				if(is_array($this->value)){
					$str = 'new ' . $this->class . "(\"" . $this->getName() . "\", [" . "\n";
					foreach($this->value as $tag){
						if($tag instanceof NamedTag){
							$str .= (string) NBTDumper::substituteClass($tag);
						}
					}
					return $str . "])," . "\n";
				}else{
					if(is_string($this->value)){
						return 'new ' . $this->class . '("' . $this->getName() . '", "' . ($this->asHex ? NBTDumper::str2hex($this->value) : $this->value) . '"),' . "\n";
					}else{
						return 'new ' . $this->class . '("' . $this->getName() . '", ' . var_export($this->value, true) . '),' . "\n";
					}
				}
			}
		};
	}

	public static function getClassName($class) : string{
		/** @noinspection PhpUnhandledExceptionInspection */
		return (new \ReflectionClass($class))->getShortName();
	}

	public static function dump(string $namedtag) : string{
		return (string) self::substituteClass((new NetworkLittleEndianNBTStream)->read($namedtag)) . PHP_EOL;
	}

	public static function str2hex(string $string) : string{
		return empty($string) ? $string : implode(array_map(function(string $value) : string{
			return str_pad($value, 4, "\x", STR_PAD_LEFT);
		}, str_split(bin2hex($string), 2)));
	}
}