- mb_encode_mimeheader: documentation ( source)
<?php
$string = "Prüfung Prüfung";
$preferences = array(
"input-charset" => "ISO-8859-1",
"output-charset" => "UTF-8",
"line-length" => 76,
"line-break-chars" => "\n"
);
$preferences["scheme"] = "Q";
echo iconv_mime_encode("Subject", $string, $preferences);
echo "/n/n";
echo mb_encode_mimeheader("Subject: $string", "UTF-8", "Q");