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Digg imap_mime_header_decode
Decode MIME header elements
(PHP 4, PHP 5)
Decodes MIME message header extensions that are non ASCII text (see » RFC2047). Return Values
The decoded elements are returned in an array of objects, where each
object has two properties,
If the element hasn't been encoded, and in other words is in
plain US-ASCII, the ExamplesExample 1056. imap_mime_header_decode() example<?phpThe above example will output: Charset: ISO-8859-1In the above example we would have two elements, whereas the first element had previously been encoded with ISO-8859-1, and the second element would be plain US-ASCII.
See Also
Code Examples / Notes » imap_mime_header_decodehans
This is obvious, but nevertheless here is a "flat" version: <?php private function flatMimeDecode($string) { $array = imap_mime_header_decode($string); $str = ""; foreach ($array as $key => $part) { $str .= $part->text; } return $str; } ?> mattias
This function does not code a-z 0-9 like the function posted by bandpay at hotmail dot com function encode_iso88591($string) { if( ereg("[^A-Za-z0-9\ ]", $string) ) { $text = "=?iso-8859-1?q?"; for( $i = 0 ; $i < strlen($string) ; $i++ ) { if( ereg("[^A-Za-z0-9]", $string[$i]) ) { $text .= "=".dechex(ord($string[$i])); } else { $text .= $string[$i]; } } return $text."?="; } else return $string; } diego nunes
The previous comment (from hans) seems to make no sense at all, since it will not change the encoding and possibly result in a "multiencoding" string (that the browser and anything else will be unable to render, of course). I use a little function to decode the whole header to a specified encoding. It is as follow: <?php //return supported encodings in lowercase. function mb_list_lowerencodings() { $r=mb_list_encodings(); for ($n=sizeOf($r); $n--; ) { $r[$n]=strtolower($r[$n]); } return $r; } // Receive a string with a mail header and returns it // decoded to a specified charset. // If the charset specified into a piece of text from header // isn't supported by "mb", the "fallbackCharset" will be // used to try to decode it. function decodeMimeString($mimeStr, $inputCharset='utf-8', $targetCharset='utf-8', $fallbackCharset='iso-8859-1') { $encodings=mb_list_lowerencodings(); $inputCharset=strtolower($inputCharset); $targetCharset=strtolower($targetCharset); $fallbackCharset=strtolower($fallbackCharset); $decodedStr=''; $mimeStrs=imap_mime_header_decode($mimeStr); for ($n=sizeOf($mimeStrs), $i=0; $i<$n; $i++) { $mimeStr=$mimeStrs[$i]; $mimeStr->charset=strtolower($mimeStr->charset); if (($mimeStr == 'default' && $inputCharset == $targetCharset) || $mimStr->charset == $targetCharset) { $decodedStr.=$mimStr->text; } else { $decodedStr.=mb_convert_encoding( $mimeStr->text, $targetCharset, (in_array($mimeStr->charset, $encodings) ? $mimeStr->charset : $fallbackCharset) ) ); } } return $decodedStr; } ?> Hope it helps. cracker
In response to Sven dot Dickert at planb dot de: if you encounter problems with "=?utf-8?Q?" appearing in your headers, I found that simply using "imap_utf8($string)" decoded the "$string" properly and solved my problem perfectly.
hdlim
imap_mime_header_decode, utf-7 and utf-8 problem, i solved the problem using below function. note that iconv function for code converting. you must replace "EUC-KR" as iconv parameter with charset you want such as "iso-8859-1". function mime_decode($s) { $elements = imap_mime_header_decode($s); for($i = 0;$i < count($elements);$i++) { $charset = $elements[$i]->charset; $text =$elements[$i]->text; if(!strcasecmp($charset, "utf-8") || !strcasecmp($charset, "utf-7")) { $text = iconv($charset, "EUC-KR", $text); } $decoded = $decoded . $text; } return $decoded; } charsyam
I wrote a simple ks_c_5601-1987(2byte) encode function encode_ksc5601( $string ) { $encode = base64_encode( $string ); $text = "=?ks_c_5601-1987?B?"; $text = $text.$encode."?="; return $text; } sven dot dickert
Beware! imap_mime_header_decode in 4.0.6 is _not_ RFC2047 conform. The string =?utf-7?Q?Petra_M+APw-ller?= will not converted into Petra Müller cause the charset utf7 is unknown. Same goes to =?utf-8?Q?Petra_M=C3=BCller?= for charset utf8.
pawel tomicki
<?php function decode_iso88591($string){ if (strpos(strtolower($string), '=?iso-8859-1') === false) { return $string; } $string = explode('?', $string); return strtolower($string[2]) == 'q' ? quoted_printable_decode($string[3]) : base64_decode($string[3]); } ?> |
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