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POConvert inline specified UTF-8 mail subject
 

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  1. POConvert inline specified UTF-8 mail subject
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    <p>want to convert the following raw mail subject to normal UTF-8 text:</p> <blockquote> <p>=?utf-8?Q?Schuker_hat_sich_vom_=C3=9Cbungsabend_(01.01.2012)_abgem?= =?utf-8?Q?eldet?=</p> </blockquote> <p>The real text for that is:</p> <blockquote> <p>Schuker hat sich vom Übungsabend (01.01.2012) abgemeldet</p> </blockquote> <p>My first approach to convert this:</p> <pre><code>$mime = '=?utf-8?Q?Schuker_hat_sich_vom_=C3=9Cbungsabend_(01.01.2012)_abgem?= =?utf-8?Q?eldet?='; mb_internal_encoding("UTF-8"); echo mb_decode_mimeheader($mime); </code></pre> <p>This gives me the following result:</p> <blockquote> <p>Schuker_hat_sich_vom_Übungsabend_(01.01.2012)_abgemeldet</p> </blockquote> <p>(Questions here: What am I doing wrong? Why do those underscores occur?) </p> <p>My second approach to convert this:</p> <pre><code>$mime = '=?utf-8?Q?Schuker_hat_sich_vom_=C3=9Cbungsabend_(01.01.2012)_abgem?= =?utf-8?Q?eldet?='; echo imap_utf8($mime); </code></pre> <p>This gives me the following (correct) result:</p> <blockquote> <p>Schuker hat sich vom Übungsabend (01.01.2012) abgemeldet</p> </blockquote> <p>Why does this work? On which method should I rely on?</p> <p>The reason I ask is that I previously asked another <a href="https://stackoverflow.com/questions/8193854/convert-inline-specified-utf-8-mail-subject-to-utf-8-text">mail subject decoding related question</a> where <code>mb_decode_mimeheader</code> was the solution whereas here <code>imap_utf8</code> would be the way to go. How can I ensure to decode everything correct for those both examples:</p> <blockquote> <p>=?utf-8?Q?Schuker_hat_sich_vom_=C3=9Cbungsabend_(01.01.2012)_abgem?= =?utf-8?Q?eldet?</p> </blockquote> <p>and</p> <blockquote> <p>=?UTF-8?B?UmU6ICMyLUZpbmFsIEFjY2VwdGFuY2UgdGVzdCB3aXRoIG5ldyB0ZXh0IHdpdGggU2xvdg==?= =?UTF-8?B?YWsgaW50ZXJwdW5jdGlvbnMgIivEvsWhxI3FpcW+w73DocOtw6khxYgi?=</p> </blockquote> <p>Should give me the expected results:</p> <blockquote> <p>Schuker hat sich vom Übungsabend (01.01.2012) abgemeldet</p> </blockquote> <p>and</p> <blockquote> <p>Re: #2-Final Acceptance test with new text with Slovak interpunctions "+ľščťžýáíé!ň"</p> </blockquote>
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    1. COAre you sure that real text contain spaces? It looks like it was encoded with underscores or application that encoded it is buggy. There is no need to encode spaces and even if it gets encoded, it should be `=20` not underscore.
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    2. COYes, the real text contains spaces. Please see the revised question. Thanks!
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    3. COThat is how RFC 2048 modifies quoted-printable for use in 7-bit headers. The =?encoding?x?...?= wrapper is also defined in that spec. - If `imap_utf8` gives you the correct result, I wouldn't hesitate to use that (but then, I'd hesitate to use PHP in the first place, so I might not be a legit source :-) Does `mb_decode_mimeheaders` work correctly if you stick `"Subject: "` in front of your test string?
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