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Asked: 2026-06-04T18:10:22+00:00

I’m using JSON to send the javascript script code over to a php script

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I’m using JSON to send the javascript script code over to a php script to get packed(encrypted)
I’m using Dead Edwrd’s PHP Javascript Packer http://joliclic.free.fr/php/javascript-packer/en/index.php
The packer works fine but i am facing a weird problem causing the packed results to go wrong.

Here’s the original script i want to pack:

<script type='text/javascript'>jwplayer('mediaspace').setup({ 'flashplayer': 'http://www.domain.com/player/player/player.swf', 'file': 'http://doamin.com','image': 'http://www.domain.com/images/background.jpg', 'skin': 'http://www.domain.com/player/skin/glow.zip', 'plugins': 'hd-2,timeslidertooltipplugin-1', 'hd.file': 'http://doamin.com', 'controlbar': 'over', 'stretching': 'exactfit', 'width': '700', 'height': '404' });</script>

I use javascript escape on this script before sending it to my php script

It looks like this after escaped:

%3Cscript%20type%3D%27text/javascript%27%3Ejwplayer%28%27mediaspace%27%29.setup%28%7B%20%27flashplayer%27%3A%20%27http%3A//www.domain.com/player/player.swf%27%2C%20%27file%27%3A%20%27http%3A//domain.com%27%2C%20%20%20%20%20%27image%27%3A%20%27http%3A//www.domain.com/images/background.jpg%27%2C%20%27skin%27%3A%20%27http%3A//www.domain.com/player/skin/glow.zip%27%2C%20%27plugins%27%3A%20%27hd-2%2Ctimeslidertooltipplugin-1%27%2C%20%27hd.file%27%3A%20%27http%3A//domain.com%27%2C%20%27controlbar%27%3A%20%27over%27%2C%20%27stretching%27%3A%20%27exactfit%27%2C%20%27width%27%3A%20%27700%27%2C%20%27height%27%3A%20%27404%27%20%7D%29%3B%3C/script%3E

Then i send this over to my php script using JSON.

PHP script to get the value and packed the script and return the packed script to the javascript:

<?php
$src = $_GET['code'];
$callback = $_GET['callback'];

require 'class.JavaScriptPacker.php';

$packer = new JavaScriptPacker($src, 'Normal', true, false);
$packed = $packer->pack();

$output = array('error'=>'none', 'results'=> $packed , 'source' => $src);
$out_string =  json_encode($output);
echo $callback.'('.$out_string.');';
?>

P/S I have added ‘source’ to the array , so i can check what exactly php GET.

Now the problem ,
i don’t know why but php is adding backward slashes to the source/$src
as shown below:

<script type=\'text/javascript\'>jwplayer(\'mediaspace\').setup({ \'flashplayer\': \'http://www.domain.com/player/player.swf\', \'file\': \'http://domain.com\', \'image\': \'http://www.domain.com/images/ackground.jpg\', \'skin\': \'http://www.domain.com/player/skin/glow.zip\', \'plugins\': \'hd-2,timeslidertooltipplugin-1\', \'hd.file\': \'http://domain.com\', \'controlbar\': \'over\', \'stretching\': \'exactfit\', \'width\': \'700\', \'height\': \'404\' });</script>

This wreck the pack results

Results i wanted:

eval(function(p,a,c,k,e,d){while(c--){if(k[c]){p=p.replace(new RegExp('\\b'+c.toString(a)+'\\b','g'),k[c])}}return p}('<8 g=\'f/e\'>d(\'l\').k({\'j\':\'3://6.5.0/4/4/4.n\',\'7\':\'3://b.0\',\'m\':\'3://6.5.0/i/h.c\',\'9\':\'3://6.5.0/4/9/x.z\',\'o\':\'a-2,w-1\',\'a.7\':\'3://b.0\',\'y\':\'v\',\'u\':\'q\',\'p\':\'r\',\'s\':\'t\'});</8>',36,36,'com|||http|player|domain|www|file|script|skin|hd|doamin|jpg|jwplayer|javascript|text|type|background|images|flashplayer|setup|mediaspace|image|swf|plugins|width|exactfit|700|height|404|stretching|over|timeslidertooltipplugin|glow|controlbar|zip'.split('|')))

BUT the results i got due to the backward slashes(which wreck the script too)

eval(function(p,a,c,k,e,d){while(c--){if(k[c]){p=p.replace(new RegExp('\\b'+c+'\\b','g'),k[c])}}return p}('<2 1=\\\'0/3\\\'>4(\\\'7\\\').6({\\\'5\\\':\\\'8:',9,9,'text|type|script|javascript|jwplayer|flashplayer|setup|mediaspace|http'.split('|')))

what am i doing wrong?

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1 Answer

  1. Editorial Team

    Add this at start of your php script:

    if(get_magic_quotes_gpc())
{
    function undo_magic_quotes_array($array)
    {
        return is_array($array) ? array_map('undo_magic_quotes_array', $array) : stripslashes($array));
    }
    $_GET = undo_magic_quotes_array($_GET);
    $_POST = undo_magic_quotes_array($_POST);
    $_COOKIE = undo_magic_quotes_array($_COOKIE);
    $_FILES = undo_magic_quotes_array($_FILES);
    $_REQUEST = undo_magic_quotes_array($_REQUEST);
}
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