使用php的编码功能-mime.inc(2)


<?php
// $Horde: horde/lib/MIME.php,v 1.63 2001/08/08 21:00:27 chuck Exp $

$mime_types =
array(
      TYPETEXT => ''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 <chuck@horde.org>
* @version $Revision: 1.64 $
* @since   Horde 1.3
* @package horde.mime
*/
class MIME {
    
    /**
     * Determine if a string contains 8-bit characters.
     * @access private
     *
     * @param s
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