Description
string
mb_encode_mimeheader ( string str [, string charset [, string transfer_encoding [, string linefeed]]] )
mb_encode_mimeheader() encodes a given string
str by the MIME header encoding scheme.
Returns a converted version of the string represented in ASCII.
charset specifies the name of the character set
in which str is represented in. The default value
is determined by the current NLS setting (mbstring.language).
transfer_encoding specifies the scheme of MIME
encoding. It should be either "B" (Base64) or
"Q" (Quoted-Printable). Falls back to
"B" if not given.
linefeed specifies the EOL (end-of-line) marker
with which mb_encode_mime_header() performs
line-folding (a RFC term,
the act of breaking a line longer than a certain length into multiple
lines. The length is currently hard-coded to 74 characters).
Falls back to "\r\n" (CRLF) if not given.
Example 1. mb_encode_mimeheader() example
<?php
$name = ""; // kanji
$mbox = "kru";
$doma = "gtinn.mon";
$addr = mb_encode_mimeheader($name, "UTF-7", "Q") . " <" . $mbox . "@" . $doma . ">";
echo $addr;
?>
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Note:
This function isn't designed to break lines at higher-level
contextual break points (word boundaries, etc.).
This behaviour may clutter up the original string with unexpected spaces.
See also mb_decode_mimeheader().
