nocomment.php

<?php
$fileStr = file_get_contents('rb.php');
$newStr  = '';


function removeEmptyLines($string)
{
return preg_replace("/(^[\r\n]*|[\r\n]+)[\s\t]*[\r\n]+/", "\n", $string);
}

$commentTokens = array(T_COMMENT);

if (defined('T_DOC_COMMENT'))
    $commentTokens[] = T_DOC_COMMENT; // PHP 5
if (defined('T_ML_COMMENT'))
    $commentTokens[] = T_ML_COMMENT;  // PHP 4

$tokens = token_get_all($fileStr);

foreach ($tokens as $token) {    
    if (is_array($token)) {
        if (in_array($token[0], $commentTokens))
            continue;

        $token = $token[1];
    }

    $newStr .= $token;
}

$newStr = removeEmptyLines($newStr);

$newStr = str_replace("<"."?php","",$newStr);
$newStr = "<"."?php\n//Written by Gabor de Mooij and the RedBeanPHP Community, copyright 2009-2012\n//Licensed New BSD/GPLV2 - see license.txt\n".$newStr;

file_put_contents('rbnc.php',$newStr);