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Re: Encoding Problems

From Arno Welzel <usenet@arnowelzel.de>
Newsgroups comp.lang.php
Subject Re: Encoding Problems
Date 2014-07-05 03:16 +0200
Message-ID <53B7520B.8080506@arnowelzel.de> (permalink)
References <lp19to$r2$1@dont-email.me>

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stef_204, 2014-07-02 17:53:

> Hi,
> 
> Newbie at php; please bear with me.
> 
> I am trying to use a script which basically creates an xml feed for email
> messages found in an IMAP account; one can then either subscribe to feed
> via an rss reader/aggregator or use browser to read html page.
> 
> Here is the script: <http://linuxtrove.com/wp/?p=209>
> (imap2rss.php)
> 
> My problem: almost all of the messages (emails) show garbled text, I
> believe due to encoding problems.
> 
> Here is a picture of how it looks both using a browser like Firefox or an 
> rss news feed reader.
> 
> <http://imagebin.org/314843>

This is base64 and as to be decoded.

[...]
> I could be completely wrong about the utf-8 issue; and perhaps it has 
> more something to do with decoding base64 in general.

Yep - that's the point.

> This is what I now think is the problem, more specifically:
> I have just tried a base64 online decoder and pasted the garbled text in 
> it and used the "decode" online feature, and the result is perfectly 
> legible once decoded, whether I choose utf-8 or ascii as charset (but I 
> should use utf-8).
> 
> So, looks like the feed is "echoed" or "printed" in base64 format....
> It doesn't look like charset is the problem but decoding base64.

Yep.

> 
> I can see the base64_decode function here
> <http://www.php.net/manual/en/function.base64-decode.php>
> but not sure if this is the right way to go about this; or how to apply 
> it in this script.

Well - unfortunately there is no easy "put it in there and it works".

First of all: Just testing for the subtype "PLAIN" (is not enough. You
also have to check for the encoding.

As far i see, this should be added here:

if($msgStructure->subtype=="PLAIN")
$body = renderPlainText($body);

So extend that for the encoding:

if($msgStructure->subtype=="PLAIN")
{
  switch($msgStructure->encoding)
  {
  case 4:
    // Body text is quoted-printable encoded
    $body = quoted_printable_decode($body);
    break;

  case 3:
    // Body text is base64 encoded
    $body = base64_decode($data);
    break;
  }

  $body = renderPlainText($body);
}

Also see <http://php.net/manual/en/function.imap-fetchstructure.php> and
the comments there.



-- 
Arno Welzel
http://arnowelzel.de
http://de-rec-fahrrad.de
http://fahrradzukunft.de

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Thread

Encoding Problems stef_204 <notvalid@nomail.nul> - 2014-07-02 15:53 +0000
  Re: Encoding Problems Jerry Stuckle <jstucklex@attglobal.net> - 2014-07-02 15:15 -0400
    Re: Encoding Problems stef_204 <notvalid@nomail.nul> - 2014-07-03 10:18 +0000
  Re: Encoding Problems Thomas 'PointedEars' Lahn <PointedEars@web.de> - 2014-07-02 21:49 +0200
    Re: Encoding Problems bill <william@TechServSys.com> - 2014-07-03 08:09 -0400
  Re: Encoding Problems Christoph Michael Becker <cmbecker69@arcor.de> - 2014-07-02 22:25 +0200
    Re: Encoding Problems stef_204 <notvalid@nomail.nul> - 2014-07-03 10:16 +0000
  Re: Encoding Problems bill <william@TechServSys.com> - 2014-07-03 08:08 -0400
    Re: Encoding Problems stef_204 <notvalid@nomail.nul> - 2014-07-03 13:17 +0000
  Re: Encoding Problems Arno Welzel <usenet@arnowelzel.de> - 2014-07-05 03:16 +0200
    Re: Encoding Problems Arno Welzel <usenet@arnowelzel.de> - 2014-07-05 03:19 +0200
      Re: Encoding Problems stef_204 <notvalid@nomail.nul> - 2014-07-10 13:57 +0000
        Re: Encoding Problems Arno Welzel <usenet@arnowelzel.de> - 2014-07-11 18:47 +0200
          Re: Encoding Problems stef_204 <notvalid@nomail.nul> - 2014-07-14 08:35 +0000
          Re: Encoding Problems stef_204 <notvalid@nomail.nul> - 2014-07-18 09:06 +0000
            Re: Encoding Problems Tim Streater <timstreater@greenbee.net> - 2014-07-18 10:29 +0100
              Re: Encoding Problems stef_204 <notvalid@nomail.nul> - 2014-07-18 09:38 +0000
                Re: Encoding Problems Tim Streater <timstreater@greenbee.net> - 2014-07-18 11:05 +0100
                Re: Encoding Problems stef_204 <notvalid@nomail.nul> - 2014-07-18 11:42 +0000
                Re: Encoding Problems Tim Streater <timstreater@greenbee.net> - 2014-07-18 14:32 +0100
            Re: Encoding Problems Arno Welzel <usenet@arnowelzel.de> - 2014-07-19 09:36 +0200
              Re: Encoding Problems stef_204 <notvalid@nomail.nul> - 2014-07-29 13:58 +0000
    Re: Encoding Problems Christoph Michael Becker <cmbecker69@arcor.de> - 2014-07-05 03:28 +0200
      Re: Encoding Problems Arno Welzel <usenet@arnowelzel.de> - 2014-07-06 01:36 +0200
        Re: Encoding Problems Denis McMahon <denismfmcmahon@gmail.com> - 2014-07-06 02:16 +0000
          Re: Encoding Problems Richard Damon <Richard@Damon-Family.org> - 2014-07-05 23:19 -0400
            Re: Encoding Problems gordonb.defz8@burditt.org (Gordon Burditt) - 2014-07-06 00:21 -0500
              Re: Encoding Problems Richard Damon <Richard@Damon-Family.org> - 2014-07-06 07:14 -0400
                Re: Encoding Problems Denis McMahon <denismfmcmahon@gmail.com> - 2014-07-07 01:24 +0000
        Re: Encoding Problems Christoph Michael Becker <cmbecker69@arcor.de> - 2014-07-06 15:30 +0200
          Re: Encoding Problems Arno Welzel <usenet@arnowelzel.de> - 2014-07-06 21:46 +0200
            Re: Encoding Problems Richard Damon <Richard@Damon-Family.org> - 2014-07-06 16:21 -0400
              Re: Encoding Problems Arno Welzel <usenet@arnowelzel.de> - 2014-07-07 03:49 +0200
    Re: Encoding Problems stef_204 <notvalid@nomail.nul> - 2014-07-10 13:18 +0000

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