--- /dev/null
+--TEST--
+iconv_mime_decode() (quoted-printable)
+--SKIPIF--
+<?php extension_loaded('iconv') or die('skip iconv extension is not available'); ?>
+--INI--
+iconv.internal_charset=iso-8859-1
+--FILE--
+<?php
+$header = <<< HERE
+Subject: =?ISO-8859-1?Q?Pr=FCfung?=
+ =?ISO-8859-1?Q?=20Pr=FCfung?=
+ =?ISO-8859-2?Q?k=F9=D4=F1=D3let?=
+HERE;
+$result = iconv_mime_decode($header, "UTF-8");
+printf("(%d) \"%s\"\n", iconv_strlen($result, "UTF-8"), $result);
+--EXPECT--
+(33) "Subject: Prüfung Prüfung kůÔńÓlet"