text, text => typetext, typemultipart => multipart, multipart => typemultipart, typemessage => message, message => typemessage, typeapplication => application, application => typeapplication, typeaudio => audio, audio => typeaudio, typeimage => image, image => typeimage, typevideo => video, video => typevideo, typeother => unknown, unknown => typeother ); $mime_encodings = array( enc7bit => 7bit, 7bit => enc7bit, enc8bit => 8bit, 8bit => enc8bit, encbinary => binary, binary => encbinary, encbase64 => base64, base64 => encbase64, encquotedprintable => quoted-printable, quoted-printable => encquotedprintable, encother => unknown, unknown => encother ); /** * the mime:: class provides methods for dealing with mime standards. * * @author chuck hagenbuch * @version $revision: 1.64 $ * @since horde 1.3 * @package horde.mime */ class mime { /** * determine if a string contains 8-bit characters. * @access private * * @param string $string the string to check. * @return boolean true if it does, false if it doesnt. */ function is8bit($string) { if (is_string($string)) { for ($i = 0; $i > 7) return true; } return false; } return false; } /** * encode a string containing non-ascii characters according to rfc 2047. * * @param string $text the text to encode. * @param string $charset (optional) the character set of the text. * @param boolean $outer is this the final iteration? * * @return string the text, encoded only if it contains non-ascii characters. */ function encode($text, $charset = null, $outer = true) { if (mime::is8bit($text)) { if (((strlen($text) * 3) + strlen($charset) + 7) > 76) { $text = mime::encode(substr($text, 0, (23 - strlen($charset))), $charset) . mime::encode(substr($text, (23 - strlen($charset))), $charset, false); } else { $text = =?$charset?b? . strtr(trim(base64_encode($text)), , _) . ?= ; } } // if this is the final iteration, take off any trailing // newline/tab chars. if ($outer && (substr($text, -2) == )) $text = substr($text, 0, -2); return $text; } /** * encode a string containing email addresses according to rfc 2047. * * this differs from mime::encode() because it keeps email * addresses legal, only encoding the personal information. * * @param string $text the email addresses to encode. * @param string $charset (optional) the character set of the text. * @param string $defserver (optional) the default domain to append to mailboxes. * * @return string the text, encoded only if it contains non-ascii characters. */ function encodeaddress($text, $charset = null, $defserver = null) { include_once mail/rfc822.php; $addr_arr = mail_rfc822::parseaddresslist($text, $defserver, false, false); $text = ; if (is_array($addr_arr)) { foreach ($addr_arr as $addr) { if (empty($addr->personal)) { $personal = ; } else { if ((substr($addr->personal, 0, 1) == ) && (substr($addr->personal, -1) == )) { $addr->personal = substr($addr->personal, 1, -1); } $personal = mime::encode($addr->personal, $charset); } if (strlen($text) != 0) $text .= , ; // fixme: dependency on imap module $text .= mime::trimemailaddress(imap_rfc822_write_address($addr->mailbox, $addr->host, $personal)); } } return $text; } /** * decode an rfc 2047-encoded string. * * @param string $string the text to decode. * @return string the decoded text, or the original string if it was not encoded. */ function decode($string) { $pos = strpos($string, =?); if ($pos === false) { return $string; } // take out any spaces between multiple encoded words $string = preg_replace(|?=s=?|, ?==?, $string); $preceding = substr($string, 0, $pos); // save any preceding text $search = substr($string, $pos + 2, 75); // the mime header spec says this is the longest a single encoded word can be $d1 = strpos($search, ?); if (!is_int($d1)) { return $string; } $charset = substr($string, $pos + 2, $d1); $search = substr($search, $d1 + 1); $d2 = strpos($search, ?); if (!is_int($d2)) { return $string; } $encoding = substr($search, 0, $d2); $search = substr($search, $d2+1); $end = strpos($search, ?=); if (!is_int($end)) { return $string; } $encoded_text = substr($search, 0, $end); $rest = substr($string, (strlen($preceding . $charset . $encoding . $encoded_text) + 6)); switch ($encoding) { case q: case q: $encoded_text = str_replace(_, %20, $encoded_text); $encoded_text = str_replace(=, %, $encoded_text); $decoded = urldecode($encoded_text); /* convert cyrillic character sets. */ if (stristr($globals[registry]->getcharset(), windows-1251)) { if (stristr($charset, koi8-r)) { $decoded = convert_cyr_string($decoded, k, w); } } if (stristr($globals[registry]->getcharset(), koi8-r)) { if (stristr($charset, windows-1251)) { $decoded = convert_cyr_string($decoded, w, k); } } break; case b: case b: $decoded = urldecode(base64_decode($encoded_text)); if (stristr($globals[registry]->getcharset(), windows-1251)) { if (stristr($charset, koi8-r)) { $decoded = convert_cyr_string($decoded, k, w); } } if (stristr($globals[registry]->getcharset(), koi8-r)) { if (stristr($charset, windows-1251)) { $decoded = convert_cyr_string($decoded, w, k); } } break; default: $decoded = =? . $charset . ? . $encoding . ? . $encoded_text . ?=; break; } return $preceding . $decoded . mime::decode($rest); } /** * if an email address has no personal information, get rid of any * angle brackets () around it. * * @param string $address the address to trim. * @return string the trimmed address. */ function trimemailaddress($address) { $address = trim($address); if ((substr($address, 0, 1) == )) { $address = substr($address, 1, -1); } return $address; } } ?>
http://www.bkjia.com/phpjc/531855.htmlwww.bkjia.comtruehttp://www.bkjia.com/phpjc/531855.htmltecharticletext, text => typetext, typemultipart => multipart, multipart => typemultipart, typemessage => message, message => typemessage, typeapplication => application, application => typea...