PHP Decode

--TEST--
Bug #51250 (iconv_mime_decode() does not ignore malformed Q-encoded words)
--EXTENSIONS--
iconv
--FILE--
<?php
$m = ICONV_MIME_DECODE_CONTINUE_ON_ERROR;

var_dump(iconv_mime_decode("Legal encoded-word: =?utf-8?B?Kg==?= .", $m));
var_dump(iconv_mime_decode("Legal encoded-word: =?utf-8?Q?*?= .", $m));
var_dump(iconv_mime_decode("Illegal encoded-word: =?utf-8?B?".chr(0xA1)."?= .", $m));
var_dump(iconv_mime_decode("Illegal encoded-word: =?utf-8?Q?".chr(0xA1)."?= .", $m));

var_dump(iconv_mime_decode("Legal encoded-word: =?utf-8?B?Kg==?= ."));
var_dump(iconv_mime_decode("Legal encoded-word: =?utf-8?Q?*?= ."));
var_dump(iconv_mime_decode("Illegal encoded-word: =?utf-8?B?".chr(0xA1)."?= ."));
var_dump(iconv_mime_decode("Illegal encoded-word: =?utf-8?Q?".chr(0xA1)."?= ."));
?>
--EXPECTF--
string(23) "Legal encoded-word: * ."
string(23) "Legal encoded-word: * ."
string(24) "Illegal encoded-word:  ."
string(23) "Illegal encoded-word: ."
string(23) "Legal encoded-word: * ."
string(23) "Legal encoded-word: * ."
string(24) "Illegal encoded-word:  ."

Notice: iconv_mime_decode(): Detected an illegal character in input string in %s on line %d
bool(false)