Minecraft: PE network enum generator

regenerateNetwork.php

<?php

$file = $argv[1];

if(!file_exists($file)){
        die("File $file does not exist\n");
}

$contents = file_get_contents($file);

$newContent = "";

$firstId = null;
$count = 0;

foreach(explode("\n", $contents) as $line){

        if(preg_match("#^[ \t/]*const[ \t]+([A-Z0-9_]+_PACKET)[ \t]*=[ \t]*([0-9xA-Fa-f]+)[ \t]*;[ \t]*$#", $line, $matches) > 0){
                if($firstId === null){
                        if(strpos($matches[2], "0x") !== false){
                                $number = hexdec($matches[2]);
                        }else{
                                $number = intval($matches[2]);
                        }

                        $firstId = $number;
                        $n = "0x" . dechex($number);
                }else{
                        $n = "0x" . dechex($firstId + ++$count);
                        $line = str_replace($matches[2], $n, $line);
                }

                echo $matches[1] . " => " . $n . "\n";
        }

        $newContent .= $line . "\n";
}

file_put_contents($file, $newContent);

echo "Done!\n";

Simple xD Instead of writing everything again...