mb_encode_mimeheader Encode string for MIME header stringmb_encode_mimeheader stringstr stringcharset stringtransfer-encoding stringlinefeed mb_encode_mimeheader converts string str to encoded-word for header field. It returns converted string in ASCII encoding. charset is character encoding name. Default is ISO-2022-JP. transfer-encoding is transfer encoding. It should be one of "B" (Base64) or "Q" (Quoted-Printable). Default is "B". linefeed is end of line marker. Default is "\r\n" (CRLF). "; echo $addr; ?> ]]> See also mb_decode_mimeheader.