mb-encode-mimeheader

mb_encode_mimeheader

Encode string for MIME header

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string

mb_encode_mimeheader

string

string

string

null

charset

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string

null

transfer_encoding

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string

newline

"\r\n"

int

indent

0

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

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string
The string being encoded. Its encoding should be same as mb_internal_encoding.

charset
charset specifies the name of the character set in which string is represented in. The default value is determined by the current NLS setting (mbstring.language).

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.

newline
newline 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 string).

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A converted version of the string represented in ASCII.

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<?php
$name = "太郎"; // kanji
$mbox = "kru";
$doma = "gtinn.mon";
$addr = '"' . addcslashes(mb_encode_mimeheader($name, "UTF-7", "Q"), '"') . '" <' . $mbox . "@" . $doma . ">";
echo $addr;
?>

    

"=?UTF-7?Q?+WSqQzg-?=" <kru@gtinn.mon>

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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.

ENTITY

mb_decode_mimeheader