BinaryUtils.php

<?php
/**
 * BinaryUtils.php
 * Copyright (c) 2021 Cvar1984 <[email protected]>
 *
 *            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
 *                    Version 2, December 2004
 *
 * Everyone is permitted to copy and distribute verbatim or modified
 * copies of this license document, and changing it is allowed as long
 * as the name is changed.
 *
 *            DO WHAT THE FUCK YOU WANT TO PUBLIC LICENSE
 *   TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
 *
 *  0. You just DO WHAT THE FUCK YOU WANT TO.
 */

namespace Cvar1984\Utils;

class BinaryUtils
{
    public static function binaryToHex(string $field) : string
    {
        $hexField = bin2hex($field);
        $hexField = chunk_split($hexField, 2, '\\x');
        $hexField = '\\x' . substr($hexField, 0, -2);
        return $hexField;
    }
    public static function hexToBinary(string $field) : string
    {
        $binaryField = explode('\\x', $field);
        $binaryField = implode('', $binaryField);
        $binaryField = hex2bin($binaryField);
        return $binaryField;
    }
    public static function fromFile(string $fileName) : string
    {
        $binaryField = file_get_contents($fileName);
        return $binaryField;
    }
    public static function toFile(string $fileName, string $file) : bool
    {
        return file_put_contents($fileName, $file);
    }
}

$fileName = $argv[1];
$file = BinaryUtils::fromFile($fileName);
$hexField = BinaryUtils::binaryToHex($file);
$binaryField = BinaryUtils::hexToBinary($hexField);

echo BinaryUtils::toFile($fileName . '.img', $binaryField);