Added basic mb_encode_mimeheader() to Multibyte class.

Modified EmailComponent to take advantage of multibyte support. fixes #5448
Modified EmailComponent to fix newline issues in long subject lines when using mail send method. fixes #5049

git-svn-id: https://svn.cakephp.org/repo/branches/1.2.x.x@7685 3807eeeb-6ff5-0310-8944-8be069107fe0

cake/libs/controller/components/email.php

@@ -36,6 +36,7 @@
  * @subpackage	cake.cake.libs.controller.components
  *
  */
+App::import('Core', 'Multibyte');
 class EmailComponent extends Object{
 /**
  * Recipient of the email
@@ -591,26 +592,11 @@ class EmailComponent extends Object{
 	function __encode($subject) {
 		$subject = $this->__strip($subject);
 
-		$nl = "\n";
+		$nl = "\r\n";
-		if ($this->delivery == 'smtp') {
+		if ($this->delivery == 'mail') {
-			$nl = "\r\n";
+			$nl = '';
 		}
-
+		return mb_encode_mimeheader($subject, $this->charset, 'B', $nl);
-		if (strtolower($this->charset) !== 'iso-8859-15') {
-			$start = "=?" . $this->charset . "?B?";
-			$end = "?=";
-			$spacer = $end . $nl . ' ' . $start;
-
-			$length = 75 - strlen($start) - strlen($end);
-			$length = $length - ($length % 4);
-
-			$subject = base64_encode($subject);
-			$subject = chunk_split($subject, $length, $spacer);
-			$spacer = preg_quote($spacer);
-			$subject = preg_replace('/' . $spacer . '$/', '', $subject);
-			$subject = $start . $subject . $end;
-		}
-		return $subject;
 	}
 /**
  * Format a string as an email address
@@ -639,12 +625,22 @@ class EmailComponent extends Object{
  * @access private
  */
 	function __strip($value, $message = false) {
+/*
+		$search = '%0a|%0d|Content-(?:Type|Transfer-Encoding)\:|charset\=|mime-version\:|multipart/mixed|(?:to|b?cc)\:.*';
+		if ($message !== true) {
+			$search .= '|\\r|\\n';
+		}
+		$search = '#(?:' . $search . ')#i';
+		while (preg_match($search, $value)) {
+			$value = preg_replace($search, '', $value);
+		}
+		return $value;
+*/
 		$search = array(
 			'/(?:%0a)/i', '/(?:%0d)/i', '/(?:Content-Type\:)/i', '/(?:charset\=)/i', '/(?:mime-version\:)/i',
 			'/(?:multipart\/mixed)/i', '/(?:bcc\:.*)/i','/(?:to\:.*)/i','/(?:cc\:.*)/i', '/(?:Content-Transfer-Encoding\:)/i',
 			'/\\r/i', '/\\n/i'
 		);
-
 		if ($message === true) {
 			$search = array_slice($search, 0, -2);
 		}
@@ -778,7 +774,7 @@ class EmailComponent extends Object{
 		}
 		$fm .= sprintf('%s %s%s', 'To:', $this->to, $nl);
 		$fm .= sprintf('%s %s%s', 'From:', $this->from, $nl);
-		$fm .= sprintf('%s %s%s', 'Subject:', $this->subject, $nl);
+		$fm .= sprintf('%s %s%s', 'Subject:', $this->__encode($this->subject), $nl);
 		$fm .= sprintf('%s%3$s%3$s%s', 'Header:', $header, $nl);
 		$fm .= sprintf('%s%3$s%3$s%s', 'Parameters:', $this->additionalParams, $nl);
 		$fm .= sprintf('%s%3$s%3$s%s', 'Message:', $message, $nl);

cake/libs/multibyte.php

@@ -208,14 +208,31 @@ if (!function_exists('mb_substr_count')) {
  * @param integer $length The maximum length of the returned string.
  * @param string $encoding Character encoding name to use. If it is omitted, internal character encoding is used.
  * @return string The portion of $string specified by the $string and $length parameters.
- * @access public
- * @static
  */
 if (!function_exists('mb_substr')) {
 	function mb_substr($string, $start, $length = null, $encoding = null) {
 		return Multibyte::substr($string, $start, $length);
 	}
 }
+/**
+ * Encode string for MIME header
+ *
+ * @param string $str The string being encoded
+ * @param string $charset specifies the name of the character set in which str is represented in.
+ * 						The default value is determined by the current NLS setting (mbstring.language).
+ * @param string $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.
+ * @param string $linefeed 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.
+ * @param integer $indent [definition unknown and appears to have no affect]
+ * @return string A converted version of the string represented in ASCII.
+ */
+if (!function_exists('mb_encode_mimeheader')) {
+	function mb_encode_mimeheader($str, $charset = 'UTF-8', $transfer_encoding = 'B', $linefeed = "\r\n", $indent = 1) {
+		return Multibyte::mimeEncode($str, $charset, $linefeed);
+	}
+}
 /**
  * Multibyte handling methods.
  *
@@ -953,6 +970,54 @@ class Multibyte extends Object {
 		}
 		return Multibyte::ascii($value);
 	}
+/**
+ * Prepare a string for mail transport, using the provided encoding
+ *
+ * @param string $string value to encode
+ * @param string $charset charset to use for encoding. defaults to UTF-8
+ * @param string $newline
+ * @return string
+ * @access public
+ * @static
+ * @TODO: add support for 'Q'('Quoted Printable') encoding
+ */
+	function mimeEncode($string, $charset = null, $newline = "\r\n") {
+		if (!Multibyte::checkMultibyte($string) && strlen($string) < 75) {
+			return $string;
+		}
+
+		if (empty($charset)) {
+			$charset = Configure::read('App.encoding');
+		}
+		$charset = strtoupper($charset);
+
+		$start = '=?' . $charset . '?B?';
+		$end = '?=';
+		$spacer = $end . $newline . ' ' . $start;
+
+		$length = 75 - strlen($start) - strlen($end);
+		$length = $length - ($length % 4);
+		if ($charset == 'UTF-8') {
+			$parts = array();
+			$maxchars = floor(($length * 3) / 4);
+			while (strlen($string) > $maxchars) {
+				$i = $maxchars;
+				$test = ord($string[$i]);
+				while ($test >= 128 && $test <= 191) {
+					$i--;
+					$test = ord($string[$i]);
+				}
+				$parts[] = base64_encode(substr($string, 0, $i));
+				$string = substr($string, $i);
+			}
+			$parts[] = base64_encode($string);
+			$string = implode($spacer, $parts);
+		} else {
+			$string = chunk_split(base64_encode($string), $length, $spacer);
+			$string = preg_replace('/' . preg_quote($spacer) . '$/', '', $string);
+		}
+		return $start . $string . $end;
+	}
 /**
  * Return the Code points range for Unicode characters
  *

cake/tests/cases/libs/controller/components/email.test.php

@@ -26,6 +26,7 @@
  * @lastmodified	$Date$
  * @license			http://www.opensource.org/licenses/opengroup.php The Open Group Test Suite License
  */
+Configure::write('App.encoding', 'UTF-8');
 App::import('Component', 'Email');
 /**
  * EmailTestController class
@@ -134,7 +135,7 @@ Header:
 To: postmaster@localhost
 From: noreply@example.com
 Reply-To: noreply@example.com
-Subject: =?UTF-8?B?Q2FrZSBTTVRQIHRlc3Q=?=
+Subject: Cake SMTP test
 X-Mailer: CakePHP Email Component
 Content-Type: text/plain; charset=UTF-8
 Content-Transfer-Encoding: 7bitParameters:
@@ -393,6 +394,36 @@ TEXTBLOC;
 		$this->assertEqual($result, $expected);
 	}
 
+	function testMultibyte() {
+		if (@fsockopen('localhost', 25)) {
+			$this->assertTrue(@fsockopen('localhost', 25), 'Local mail server is running');
+			$this->Controller->Email->reset();
+			$this->Controller->Email->to = 'postmaster@localhost';
+			$this->Controller->Email->from = 'noreply@example.com';
+			$this->Controller->Email->subject = 'هذه رسالة بعنوان طويل مرسل للمستلم';
+			$this->Controller->Email->replyTo = 'noreply@example.com';
+			$this->Controller->Email->template = null;
+			$this->Controller->Email->delivery = 'debug';
+
+			$subject = '=?UTF-8?B?2YfYsNmHINix2LPYp9mE2Kkg2KjYudmG2YjYp9mGINi32YjZitmEINmF2LE=?=' . "\r\n" . ' =?UTF-8?B?2LPZhCDZhNmE2YXYs9iq2YTZhQ==?=';
+
+			$this->Controller->Email->sendAs = 'text';
+			$this->assertTrue($this->Controller->Email->send('This is the body of the message'));
+			preg_match('/Subject: (.*)Header:/s', $this->Controller->Session->read('Message.email.message'), $matches);
+			$this->assertEqual(trim($matches[1]), $subject);
+
+			$this->Controller->Email->sendAs = 'html';
+			$this->assertTrue($this->Controller->Email->send('This is the body of the message'));
+			preg_match('/Subject: (.*)Header:/s', $this->Controller->Session->read('Message.email.message'), $matches);
+			$this->assertEqual(trim($matches[1]), $subject);
+
+			$this->Controller->Email->sendAs = 'both';
+			$this->assertTrue($this->Controller->Email->send('This is the body of the message'));
+			preg_match('/Subject: (.*)Header:/s', $this->Controller->Session->read('Message.email.message'), $matches);
+			$this->assertEqual(trim($matches[1]), $subject);
+		}
+	}
+
 	function __osFix($string) {
 		return str_replace(array("\r\n", "\r"), "\n", $string);
 	}

cake/tests/cases/libs/multibyte.test.php

@@ -36,7 +36,7 @@ App::import('Core', 'Multibyte');
 class MultibyteTest extends CakeTestCase {
 /**
  * testUtf8 method
- * 
+ *
  * @access public
  * @return void
  */
@@ -359,7 +359,7 @@ class MultibyteTest extends CakeTestCase {
 	}
 /**
  * testAscii method
- * 
+ *
  * @access public
  * @return void
  */
@@ -679,7 +679,7 @@ class MultibyteTest extends CakeTestCase {
 	}
 /**
  * testUsingMbStripos method
- * 
+ *
  * @access public
  * @return void
  */
@@ -926,7 +926,7 @@ class MultibyteTest extends CakeTestCase {
 	}
 /**
  * testMultibyteStripos method
- * 
+ *
  * @access public
  * @return void
  */
@@ -1173,7 +1173,7 @@ class MultibyteTest extends CakeTestCase {
 	}
 /**
  * testUsingMbStristr method
- * 
+ *
  * @access public
  * @return void
  */
@@ -1563,7 +1563,7 @@ class MultibyteTest extends CakeTestCase {
 	}
 /**
  * testMultibyteStristr method
- * 
+ *
  * @access public
  * @return void
  */
@@ -1953,7 +1953,7 @@ class MultibyteTest extends CakeTestCase {
 	}
 /**
  * testUsingMbStrlen method
- * 
+ *
  * @access public
  * @return void
  */
@@ -2100,7 +2100,7 @@ class MultibyteTest extends CakeTestCase {
 	}
 /**
  * testMultibyteStrlen method
- * 
+ *
  * @access public
  * @return void
  */
@@ -2247,7 +2247,7 @@ class MultibyteTest extends CakeTestCase {
 	}
 /**
  * testUsingMbStrpos method
- * 
+ *
  * @access public
  * @return void
  */
@@ -2494,7 +2494,7 @@ class MultibyteTest extends CakeTestCase {
 	}
 /**
  * testMultibyteStrpos method
- * 
+ *
  * @access public
  * @return void
  */
@@ -2741,7 +2741,7 @@ class MultibyteTest extends CakeTestCase {
 	}
 /**
  * testUsingMbStrrchr method
- * 
+ *
  * @access public
  * @return void
  */
@@ -3125,7 +3125,7 @@ class MultibyteTest extends CakeTestCase {
 	}
 /**
  * testMultibyteStrrchr method
- * 
+ *
  * @access public
  * @return void
  */
@@ -3509,7 +3509,7 @@ class MultibyteTest extends CakeTestCase {
 	}
 /**
  * testUsingMbStrrichr method
- * 
+ *
  * @access public
  * @return void
  */
@@ -3893,7 +3893,7 @@ class MultibyteTest extends CakeTestCase {
 	}
 /**
  * testMultibyteStrrichr method
- * 
+ *
  * @access public
  * @return void
  */
@@ -4277,7 +4277,7 @@ class MultibyteTest extends CakeTestCase {
 	}
 /**
  * testUsingMbStrripos method
- * 
+ *
  * @access public
  * @return void
  */
@@ -4530,7 +4530,7 @@ class MultibyteTest extends CakeTestCase {
 	}
 /**
  * testMultibyteStrripos method
- * 
+ *
  * @access public
  * @return void
  */
@@ -4783,7 +4783,7 @@ class MultibyteTest extends CakeTestCase {
 	}
 /**
  * testUsingMbStrrpos method
- * 
+ *
  * @access public
  * @return void
  */
@@ -5036,7 +5036,7 @@ class MultibyteTest extends CakeTestCase {
 	}
 /**
  * testMultibyteStrrpos method
- * 
+ *
  * @access public
  * @return void
  */
@@ -5289,7 +5289,7 @@ class MultibyteTest extends CakeTestCase {
 	}
 /**
  * testUsingMbStrstr method
- * 
+ *
  * @access public
  * @return void
  */
@@ -5685,7 +5685,7 @@ class MultibyteTest extends CakeTestCase {
 	}
 /**
  * testMultibyteStrstr method
- * 
+ *
  * @access public
  * @return void
  */
@@ -6081,7 +6081,7 @@ class MultibyteTest extends CakeTestCase {
 	}
 /**
  * testUsingMbStrtolower method
- * 
+ *
  * @access public
  * @return void
  */
@@ -6635,7 +6635,7 @@ mb_strtolower does not work for these strings.
 	}
 /**
  * testMultibyteStrtolower method
- * 
+ *
  * @access public
  * @return void
  */
@@ -7192,7 +7192,7 @@ mb_strtolower does not work for these strings.
 	}
 /**
  * testUsingMbStrtoupper method
- * 
+ *
  * @access public
  * @return void
  */
@@ -7736,7 +7736,7 @@ mb_strtoupper does not work for these strings.
 	}
 /**
  * testMultibyteStrtoupper method
- * 
+ *
  * @access public
  * @return void
  */
@@ -8288,7 +8288,7 @@ mb_strtoupper does not work for these strings.
 	}
 /**
  * testUsingMbSubstrCount method
- * 
+ *
  * @access public
  * @return void
  */
@@ -8541,7 +8541,7 @@ mb_strtoupper does not work for these strings.
 	}
 /**
  * testMultibyteSubstrCount method
- * 
+ *
  * @access public
  * @return void
  */
@@ -8794,7 +8794,7 @@ mb_strtoupper does not work for these strings.
 	}
 /**
  * testUsingMbSubstr method
- * 
+ *
  * @access public
  * @return void
  */
@@ -8952,7 +8952,7 @@ mb_strtoupper does not work for these strings.
 	}
 /**
  * testMultibyteSubstr method
- * 
+ *
  * @access public
  * @return void
  */
@@ -9108,5 +9108,210 @@ mb_strtoupper does not work for these strings.
 		$expected = '一二三周永龍';
 		$this->assertEqual($result, $expected);
 	}
+/**
+ * testMultibyteSubstr method
+ *
+ * @access public
+ * @return void
+ */
+	function testMultibyteMimeEncode() {
+		$string = 'ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789';
+		$result = Multibyte::mimeEncode($string);
+		$this->assertEqual($result, $string);
+
+		$string = 'ÀÁÂÃÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖØÙÚÛÜÝÞ';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?w4DDgcOCw4PDhMOFw4bDh8OIw4nDisOLw4zDjcOOw4/DkMORw5LDk8OUw5U=?=' . "\r\n" .
+					' =?UTF-8?B?w5bDmMOZw5rDm8Ocw53Dng==?=';
+		$this->assertEqual($result, $expected);
+		$result = Multibyte::mimeEncode($string, null, "\n");
+		$expected = '=?UTF-8?B?w4DDgcOCw4PDhMOFw4bDh8OIw4nDisOLw4zDjcOOw4/DkMORw5LDk8OUw5U=?=' . "\n" .
+					' =?UTF-8?B?w5bDmMOZw5rDm8Ocw53Dng==?=';
+		$this->assertEqual($result, $expected);
+
+		$string = 'ĀĂĄĆĈĊČĎĐĒĔĖĘĚĜĞĠĢĤĦĨĪĬĮIJĴĶĹĻĽĿŁŃŅŇŊŌŎŐŒŔŖŘŚŜŞŠŢŤŦŨŪŬŮŰŲŴŶŹŻŽ';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?xIDEgsSExIbEiMSKxIzEjsSQxJLElMSWxJjEmsScxJ7EoMSixKTEpsSoxKo=?=' . "\r\n" .
+					' =?UTF-8?B?xKzErsSyxLTEtsS5xLvEvcS/xYHFg8WFxYfFisWMxY7FkMWSxZTFlsWYxZo=?=' . "\r\n" .
+					' =?UTF-8?B?xZzFnsWgxaLFpMWmxajFqsWsxa7FsMWyxbTFtsW5xbvFvQ==?=';
+		$this->assertEqual($result, $expected);
+
+		$string = '!"#$%&\'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?ISIjJCUmJygpKissLS4vMDEyMzQ1Njc4OTo7PD0+P0BBQkNERUZHSElKS0xN?=' . "\r\n" .
+					' =?UTF-8?B?Tk9QUVJTVFVWV1hZWltcXV5fYGFiY2RlZmdoaWprbG1ub3BxcnN0dXZ3eHl6?=' . "\r\n" .
+					' =?UTF-8?B?e3x9fg==?=';
+		$this->assertEqual($result, $expected);
+
+		$string = '¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁÂÃÄÅÆÇÈ';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?wqHCosKjwqTCpcKmwqfCqMKpwqrCq8Kswq3CrsKvwrDCscKywrPCtMK1wrY=?=' . "\r\n" .
+					' =?UTF-8?B?wrfCuMK5wrrCu8K8wr3CvsK/w4DDgcOCw4PDhMOFw4bDh8OI?=';
+		$this->assertEqual($result, $expected);
+
+		$string = 'ÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿĀāĂ㥹ĆćĈĉĊċČčĎďĐđĒēĔĕĖėĘęĚěĜĝĞğĠġĢģĤĥĦħĨĩĪīĬ';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?w4nDisOLw4zDjcOOw4/DkMORw5LDk8OUw5XDlsOXw5jDmcOaw5vDnMOdw54=?=' . "\r\n" .
+					' =?UTF-8?B?w5/DoMOhw6LDo8Okw6XDpsOnw6jDqcOqw6vDrMOtw67Dr8Oww7HDssOzw7Q=?=' . "\r\n" .
+					' =?UTF-8?B?w7XDtsO3w7jDucO6w7vDvMO9w77Dv8SAxIHEgsSDxITEhcSGxIfEiMSJxIo=?=' . "\r\n" .
+					' =?UTF-8?B?xIvEjMSNxI7Ej8SQxJHEksSTxJTElcSWxJfEmMSZxJrEm8ScxJ3EnsSfxKA=?=' . "\r\n" .
+					' =?UTF-8?B?xKHEosSjxKTEpcSmxKfEqMSpxKrEq8Ss?=';
+		$this->assertEqual($result, $expected);
+
+		$string = 'ĭĮįİıIJijĴĵĶķĸĹĺĻļĽľĿŀŁłŃńŅņŇňʼnŊŋŌōŎŏŐőŒœŔŕŖŗŘřŚśŜŝŞşŠšŢţŤťŦŧŨũŪūŬŭŮůŰűŲųŴŵŶŷŸŹźŻżŽžſƀƁƂƃƄƅƆƇƈƉƊƋƌƍƎƏƐ';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?xK3ErsSvxLDEscSyxLPEtMS1xLbEt8S4xLnEusS7xLzEvcS+xL/FgMWBxYI=?=' . "\r\n" .
+					' =?UTF-8?B?xYPFhMWFxYbFh8WIxYnFisWLxYzFjcWOxY/FkMWRxZLFk8WUxZXFlsWXxZg=?=' . "\r\n" .
+					' =?UTF-8?B?xZnFmsWbxZzFncWexZ/FoMWhxaLFo8WkxaXFpsWnxajFqcWqxavFrMWtxa4=?=' . "\r\n" .
+					' =?UTF-8?B?xa/FsMWxxbLFs8W0xbXFtsW3xbjFucW6xbvFvMW9xb7Fv8aAxoHGgsaDxoQ=?=' . "\r\n" .
+					' =?UTF-8?B?xoXGhsaHxojGicaKxovGjMaNxo7Gj8aQ?=';
+		$this->assertEqual($result, $expected);
+
+		$string = 'ƑƒƓƔƕƖƗƘƙƚƛƜƝƞƟƠơƢƣƤƥƦƧƨƩƪƫƬƭƮƯưƱƲƳƴƵƶƷƸƹƺƻƼƽƾƿǀǁǂǃDŽDždžLJLjljNJNjnjǍǎǏǐǑǒǓǔǕǖǗǘǙǚǛǜǝǞǟǠǡǢǣǤǥǦǧǨǩǪǫǬǭǮǯǰDZDzdzǴ';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?xpHGksaTxpTGlcaWxpfGmMaZxprGm8acxp3GnsafxqDGocaixqPGpMalxqY=?=' . "\r\n" .
+					' =?UTF-8?B?xqfGqMapxqrGq8asxq3GrsavxrDGscayxrPGtMa1xrbGt8a4xrnGusa7xrw=?=' . "\r\n" .
+					' =?UTF-8?B?xr3Gvsa/x4DHgceCx4PHhMeFx4bHh8eIx4nHiseLx4zHjceOx4/HkMeRx5I=?=' . "\r\n" .
+					' =?UTF-8?B?x5PHlMeVx5bHl8eYx5nHmsebx5zHnceex5/HoMehx6LHo8ekx6XHpsenx6g=?=' . "\r\n" .
+					' =?UTF-8?B?x6nHqserx6zHrceux6/HsMexx7LHs8e0?=';
+		$this->assertEqual($result, $expected);
+
+		$string = 'əɚɛɜɝɞɟɠɡɢɣɤɥɦɧɨɩɪɫɬɭɮɯɰɱɲɳɴɵɶɷɸɹɺɻɼɽɾɿʀʁʂʃʄʅʆʇʈʉʊʋʌʍʎʏʐʑʒʓʔʕʖʗʘʙʚʛʜʝʞʟʠʡʢʣʤʥʦʧʨʩʪʫʬʭʮʯʰʱʲʳʴʵʶʷʸʹʺʻʼ';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?yZnJmsmbyZzJncmeyZ/JoMmhyaLJo8mkyaXJpsmnyajJqcmqyavJrMmtya4=?=' . "\r\n" .
+					' =?UTF-8?B?ya/JsMmxybLJs8m0ybXJtsm3ybjJucm6ybvJvMm9yb7Jv8qAyoHKgsqDyoQ=?=' . "\r\n" .
+					' =?UTF-8?B?yoXKhsqHyojKicqKyovKjMqNyo7Kj8qQypHKksqTypTKlcqWypfKmMqZypo=?=' . "\r\n" .
+					' =?UTF-8?B?ypvKnMqdyp7Kn8qgyqHKosqjyqTKpcqmyqfKqMqpyqrKq8qsyq3KrsqvyrA=?=' . "\r\n" .
+					' =?UTF-8?B?yrHKssqzyrTKtcq2yrfKuMq5yrrKu8q8?=';
+		$this->assertEqual($result, $expected);
+
+		$string = 'ЀЁЂЃЄЅІЇЈЉЊЋЌЍЎЏАБВГДЕЖЗИЙКЛ';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?0IDQgdCC0IPQhNCF0IbQh9CI0InQitCL0IzQjdCO0I/QkNCR0JLQk9CU0JU=?=' . "\r\n" .
+					' =?UTF-8?B?0JbQl9CY0JnQmtCb?=';
+		$this->assertEqual($result, $expected);
+
+		$string = 'МНОПРСТУФХЦЧШЩЪЫЬЭЮЯабвгдежзийклмнопрстуфхцчшщъыь';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?0JzQndCe0J/QoNCh0KLQo9Ck0KXQptCn0KjQqdCq0KvQrNCt0K7Qr9Cw0LE=?=' . "\r\n" .
+					' =?UTF-8?B?0LLQs9C00LXQttC30LjQudC60LvQvNC90L7Qv9GA0YHRgtGD0YTRhdGG0Yc=?=' . "\r\n" .
+					' =?UTF-8?B?0YjRidGK0YvRjA==?=';
+		$this->assertEqual($result, $expected);
+
+		$string = 'فقكلمنهوىيًٌٍَُ';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?2YHZgtmD2YTZhdmG2YfZiNmJ2YrZi9mM2Y3ZjtmP?=';
+		$this->assertEqual($result, $expected);
+
+		$string = '✰✱✲✳✴✵✶✷✸✹✺✻✼✽✾✿❀❁❂❃❄❅❆❇❈❉❊❋❌❍❎❏❐❑❒❓❔❕❖❗❘❙❚❛❜❝❞';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?4pyw4pyx4pyy4pyz4py04py14py24py34py44py54py64py74py84py94py+?=' . "\r\n" .
+					' =?UTF-8?B?4py/4p2A4p2B4p2C4p2D4p2E4p2F4p2G4p2H4p2I4p2J4p2K4p2L4p2M4p2N?=' . "\r\n" .
+					' =?UTF-8?B?4p2O4p2P4p2Q4p2R4p2S4p2T4p2U4p2V4p2W4p2X4p2Y4p2Z4p2a4p2b4p2c?=' . "\r\n" .
+					' =?UTF-8?B?4p2d4p2e?=';
+		$this->assertEqual($result, $expected);
+
+		$string = '⺀⺁⺂⺃⺄⺅⺆⺇⺈⺉⺊⺋⺌⺍⺎⺏⺐⺑⺒⺓⺔⺕⺖⺗⺘⺙⺛⺜⺝⺞⺟⺠⺡⺢⺣⺤⺥⺦⺧⺨⺩⺪⺫⺬⺭⺮⺯⺰⺱⺲⺳⺴⺵⺶⺷⺸⺹⺺⺻⺼⺽⺾⺿⻀⻁⻂⻃⻄⻅⻆⻇⻈⻉⻊⻋⻌⻍⻎⻏⻐⻑⻒⻓⻔⻕⻖⻗⻘⻙⻚⻛⻜⻝⻞⻟⻠';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?4rqA4rqB4rqC4rqD4rqE4rqF4rqG4rqH4rqI4rqJ4rqK4rqL4rqM4rqN4rqO?=' . "\r\n" .
+					' =?UTF-8?B?4rqP4rqQ4rqR4rqS4rqT4rqU4rqV4rqW4rqX4rqY4rqZ4rqb4rqc4rqd4rqe?=' . "\r\n" .
+					' =?UTF-8?B?4rqf4rqg4rqh4rqi4rqj4rqk4rql4rqm4rqn4rqo4rqp4rqq4rqr4rqs4rqt?=' . "\r\n" .
+					' =?UTF-8?B?4rqu4rqv4rqw4rqx4rqy4rqz4rq04rq14rq24rq34rq44rq54rq64rq74rq8?=' . "\r\n" .
+					' =?UTF-8?B?4rq94rq+4rq/4ruA4ruB4ruC4ruD4ruE4ruF4ruG4ruH4ruI4ruJ4ruK4ruL?=' . "\r\n" .
+					' =?UTF-8?B?4ruM4ruN4ruO4ruP4ruQ4ruR4ruS4ruT4ruU4ruV4ruW4ruX4ruY4ruZ4rua?=' . "\r\n" .
+					' =?UTF-8?B?4rub4ruc4rud4rue4ruf4rug?=';
+		$this->assertEqual($result, $expected);
+
+		$string = '⽅⽆⽇⽈⽉⽊⽋⽌⽍⽎⽏⽐⽑⽒⽓⽔⽕⽖⽗⽘⽙⽚⽛⽜⽝⽞⽟⽠⽡⽢⽣⽤⽥⽦⽧⽨⽩⽪⽫⽬⽭⽮⽯⽰⽱⽲⽳⽴⽵⽶⽷⽸⽹⽺⽻⽼⽽⽾⽿';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?4r2F4r2G4r2H4r2I4r2J4r2K4r2L4r2M4r2N4r2O4r2P4r2Q4r2R4r2S4r2T?=' . "\r\n" .
+					' =?UTF-8?B?4r2U4r2V4r2W4r2X4r2Y4r2Z4r2a4r2b4r2c4r2d4r2e4r2f4r2g4r2h4r2i?=' . "\r\n" .
+					' =?UTF-8?B?4r2j4r2k4r2l4r2m4r2n4r2o4r2p4r2q4r2r4r2s4r2t4r2u4r2v4r2w4r2x?=' . "\r\n" .
+					' =?UTF-8?B?4r2y4r2z4r204r214r224r234r244r254r264r274r284r294r2+4r2/?=';
+		$this->assertEqual($result, $expected);
+
+		$string = '눡눢눣눤눥눦눧눨눩눪눫눬눭눮눯눰눱눲눳눴눵눶눷눸눹눺눻눼눽눾눿뉀뉁뉂뉃뉄뉅뉆뉇뉈뉉뉊뉋뉌뉍뉎뉏뉐뉑뉒뉓뉔뉕뉖뉗뉘뉙뉚뉛뉜뉝뉞뉟뉠뉡뉢뉣뉤뉥뉦뉧뉨뉩뉪뉫뉬뉭뉮뉯뉰뉱뉲뉳뉴뉵뉶뉷뉸뉹뉺뉻뉼뉽뉾뉿늀늁늂늃늄';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?64ih64ii64ij64ik64il64im64in64io64ip64iq64ir64is64it64iu64iv?=' . "\r\n" .
+					' =?UTF-8?B?64iw64ix64iy64iz64i064i164i264i364i464i564i664i764i864i964i+?=' . "\r\n" .
+					' =?UTF-8?B?64i/64mA64mB64mC64mD64mE64mF64mG64mH64mI64mJ64mK64mL64mM64mN?=' . "\r\n" .
+					' =?UTF-8?B?64mO64mP64mQ64mR64mS64mT64mU64mV64mW64mX64mY64mZ64ma64mb64mc?=' . "\r\n" .
+					' =?UTF-8?B?64md64me64mf64mg64mh64mi64mj64mk64ml64mm64mn64mo64mp64mq64mr?=' . "\r\n" .
+					' =?UTF-8?B?64ms64mt64mu64mv64mw64mx64my64mz64m064m164m264m364m464m564m6?=' . "\r\n" .
+					' =?UTF-8?B?64m764m864m964m+64m/64qA64qB64qC64qD64qE?=';
+		$this->assertEqual($result, $expected);
+
+		$string = 'ﹰﹱﹲﹳﹴ﹵ﹶﹷﹸﹹﹺﹻﹼﹽﹾﹿﺀﺁﺂﺃﺄﺅﺆﺇﺈﺉﺊﺋﺌﺍﺎﺏﺐﺑﺒﺓﺔﺕﺖﺗﺘﺙﺚﺛﺜﺝﺞﺟﺠﺡﺢﺣﺤﺥﺦﺧﺨﺩﺪﺫﺬﺭﺮﺯﺰ';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?77mw77mx77my77mz77m077m177m277m377m477m577m677m777m877m977m+?=' . "\r\n" .
+					' =?UTF-8?B?77m/77qA77qB77qC77qD77qE77qF77qG77qH77qI77qJ77qK77qL77qM77qN?=' . "\r\n" .
+					' =?UTF-8?B?77qO77qP77qQ77qR77qS77qT77qU77qV77qW77qX77qY77qZ77qa77qb77qc?=' . "\r\n" .
+					' =?UTF-8?B?77qd77qe77qf77qg77qh77qi77qj77qk77ql77qm77qn77qo77qp77qq77qr?=' . "\r\n" .
+					' =?UTF-8?B?77qs77qt77qu77qv77qw?=';
+		$this->assertEqual($result, $expected);
+
+		$string = 'ﺱﺲﺳﺴﺵﺶﺷﺸﺹﺺﺻﺼﺽﺾﺿﻀﻁﻂﻃﻄﻅﻆﻇﻈﻉﻊﻋﻌﻍﻎﻏﻐﻑﻒﻓﻔﻕﻖﻗﻘﻙﻚﻛﻜﻝﻞﻟﻠﻡﻢﻣﻤﻥﻦﻧﻨﻩﻪﻫﻬﻭﻮﻯﻰﻱﻲﻳﻴﻵﻶﻷﻸﻹﻺﻻﻼ';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?77qx77qy77qz77q077q177q277q377q477q577q677q777q877q977q+77q/?=' . "\r\n" .
+					' =?UTF-8?B?77uA77uB77uC77uD77uE77uF77uG77uH77uI77uJ77uK77uL77uM77uN77uO?=' . "\r\n" .
+					' =?UTF-8?B?77uP77uQ77uR77uS77uT77uU77uV77uW77uX77uY77uZ77ua77ub77uc77ud?=' . "\r\n" .
+					' =?UTF-8?B?77ue77uf77ug77uh77ui77uj77uk77ul77um77un77uo77up77uq77ur77us?=' . "\r\n" .
+					' =?UTF-8?B?77ut77uu77uv77uw77ux77uy77uz77u077u177u277u377u477u577u677u7?=' . "\r\n" .
+					' =?UTF-8?B?77u8?=';
+		$this->assertEqual($result, $expected);
+
+		$string = 'ａｂｃｄｅｆｇｈｉｊｋｌｍｎｏｐｑｒｓｔｕｖｗｘｙｚ';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?772B772C772D772E772F772G772H772I772J772K772L772M772N772O772P?=' . "\r\n" .
+					' =?UTF-8?B?772Q772R772S772T772U772V772W772X772Y772Z772a?=';
+		$this->assertEqual($result, $expected);
+
+		$string = '｡｢｣､･ｦｧｨｩｪｫｬｭｮｯｰｱｲｳｴｵｶｷｸ';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?772h772i772j772k772l772m772n772o772p772q772r772s772t772u772v?=' . "\r\n" .
+					' =?UTF-8?B?772w772x772y772z77207721772277237724?=';
+		$this->assertEqual($result, $expected);
+
+		$string = 'ｹｺｻｼｽｾｿﾀﾁﾂﾃﾄﾅﾆﾇﾈﾉﾊﾋﾌﾍﾎﾏﾐﾑﾒﾓﾔﾕﾖﾗﾘﾙﾚﾛﾜﾝﾞ';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?77257726772777287729772+772/776A776B776C776D776E776F776G776H?=' . "\r\n" .
+					' =?UTF-8?B?776I776J776K776L776M776N776O776P776Q776R776S776T776U776V776W?=' . "\r\n" .
+					' =?UTF-8?B?776X776Y776Z776a776b776c776d776e?=';
+		$this->assertEqual($result, $expected);
+
+		$string = 'Ĥēĺļŏ, Ŵőřļď!';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?xKTEk8S6xLzFjywgxbTFkcWZxLzEjyE=?=';
+		$this->assertEqual($result, $expected);
+
+		$string = 'Hello, World!';
+		$result = Multibyte::mimeEncode($string);
+		$this->assertEqual($result, $string);
+
+		$string = 'čini';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?xI1pbmk=?=';
+		$this->assertEqual($result, $expected);
+
+		$string = 'moći';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?bW/Eh2k=?=';
+		$this->assertEqual($result, $expected);
+
+		$string = 'državni';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?ZHLFvmF2bmk=?=';
+		$this->assertEqual($result, $expected);
+
+		$string = '把百度设为首页';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?5oqK55m+5bqm6K6+5Li66aaW6aG1?=';
+		$this->assertEqual($result, $expected);
+
+		$string = '一二三周永龍';
+		$result = Multibyte::mimeEncode($string);
+		$expected = '=?UTF-8?B?5LiA5LqM5LiJ5ZGo5rC46b6N?=';
+		$this->assertEqual($result, $expected);
+	}
 }
 ?>