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PHP

Encode string for MIME header


mb_encode_mimeheader

(PHP 4 >= 4.0.6, PHP 5)

mb_encode_mimeheaderEncode string for MIME header

Description

string mb_encode_mimeheader ( string $str [, string $charset [, string $transfer_encoding [, string $linefeed = "\r\n" [, int $indent = 0 ]]]] )

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



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