note 117891 added to function.imap-8bit

Encode a mail-subject-string to a encoded-word according to RFC2047 with awareness of special characters and total-linelength of 75. Example: "Subject Testä" -> "=?ISO-8859-1?Q?Subject_Test=E4?=" <?php function getSubjectEncoded($_str,$_charset='ISO-8859-1'){ // 27.08.2015 david jufer // Convert an 8bit string to a encoded-word string (according to RFC2047) www.ietf.org/rfc/rfc2047.txt // encoded-word = "=?" charset "?" encoding "?" encoded-text "?=" // An 'encoded-word' may not be more than 75 characters long, including 'charset', 'encoding', 'encoded-text', and delimiters. // The "Q" encoding is similar to the "Quoted-Printable" content-transfer-encoding defined in RFC 2045 $ret = ''; $str = imap_8bit($_str); $len = 7+strlen($_charset); // remove linebreaks from imap_8bit, string chunks are too long $str = str_replace("=\r\n",'',$str); // insert linebreaks at right position, be aware of special chars ("ä" "=E4") do not split them $s = 0; $l = 75-$len; while(strlen($str)>$s){ $ts = $s; if(substr($str,($s+$l)-2,1)=='='){ $s += $l-2; }else if(substr($str,($s+$l)-1,1)=='='){ $s += $l-1; }else{ $s += $l; } $ret .= "\r\n".substr($str,$ts,$s-$ts); } // remove first linebreak, replace SPACES with "_" $ret = str_replace(' ','_',trim($ret)); // put together encoded-word $ret = '=?'.$_charset.'?Q?'.str_replace("\r\n","?=\r\n =?".$_charset."?Q?",$ret)."?="; // rückgabe return $ret; } ?> ---- Server IP: 72.52.91.14 Probable Submitter: 84.226.66.123 ---- Manual Page -- http://php.net/manual/en/function.imap-8bit.php Edit -- https://master.php.net/note/edit/117891 Del: integrated -- https://master.php.net/note/delete/117891/integrated Del: useless -- https://master.php.net/note/delete/117891/useless Del: bad code -- https://master.php.net/note/delete/117891/bad+code Del: spam -- https://master.php.net/note/delete/117891/spam Del: non-english -- https://master.php.net/note/delete/117891/non-english Del: in docs -- https://master.php.net/note/delete/117891/in+docs Del: other reasons-- https://master.php.net/note/delete/117891 Reject -- https://master.php.net/note/reject/117891 Search -- https://master.php.net/manage/user-notes.php