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Encode string for MIME header

mb_detect_order

mb_encode_numericentity

Multibyte String Functions

mb_encode_mimeheader

(PHP 4 >= 4.0.6, PHP 5)

mb_encode_mimeheader — Encode string for MIME header

Description

string mb_encode_mimeheader ( string $str [, string $charset [, string $transfer_encoding [, string $linefeed [, int $indent ]]]] )

Encodes a given string str by the MIME header encoding scheme.

Parameters

str: The string being encoded.
charset: 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). mb_internal_encoding() should be set to same encoding.
transfer_encoding: 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: linefeed specifies the EOL (end-of-line) marker with which mb_encode_mimeheader() 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.
indent: Indentation of the first line (number of characters in the header before str ).

Return Values

A converted version of the string represented in ASCII.

Changelog

Version	Description
5.0.0	The `indent` parameter was added.

Examples

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;
?>

Notes

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() - Decode string in MIME header field

mb_detect_order

mb_encode_numericentity

Multibyte String Functions

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