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902 lines
32 KiB
PHP
902 lines
32 KiB
PHP
<?php
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/* vim: set expandtab tabstop=4 shiftwidth=4 softtabstop=4: */
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// +-----------------------------------------------------------------------+
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// | Copyright (c) 2002-2003 Richard Heyes |
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// | Copyright (c) 2003-2005 The PHP Group |
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// | All rights reserved. |
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// | |
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// | Redistribution and use in source and binary forms, with or without |
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// | modification, are permitted provided that the following conditions |
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// | are met: |
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// | |
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// | o Redistributions of source code must retain the above copyright |
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// | notice, this list of conditions and the following disclaimer. |
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// | o Redistributions in binary form must reproduce the above copyright |
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// | notice, this list of conditions and the following disclaimer in the |
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// | documentation and/or other materials provided with the distribution.|
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// | o The names of the authors may not be used to endorse or promote |
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// | products derived from this software without specific prior written |
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// | permission. |
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// | |
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// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
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// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
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// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR |
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// | A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT |
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// | OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
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// | SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
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// | LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, |
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// | DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY |
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// | THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
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// | (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE |
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// | OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
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// | |
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// +-----------------------------------------------------------------------+
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// | Author: Richard Heyes <richard@phpguru.org> |
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// | Tomas V.V.Cox <cox@idecnet.com> (port to PEAR) |
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// +-----------------------------------------------------------------------+
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//
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// $Id$
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require_once('PEAR.php');
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require_once('Mail/mimePart.php');
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/**
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* Mime mail composer class. Can handle: text and html bodies, embedded html
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* images and attachments.
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* Documentation and examples of this class are avaible here:
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* http://pear.php.net/manual/
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*
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* @notes This class is based on HTML Mime Mail class from
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* Richard Heyes <richard@phpguru.org> which was based also
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* in the mime_mail.class by Tobias Ratschiller <tobias@dnet.it> and
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* Sascha Schumann <sascha@schumann.cx>
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*
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* @author Richard Heyes <richard.heyes@heyes-computing.net>
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* @author Tomas V.V.Cox <cox@idecnet.com>
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* @package Mail
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* @access public
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*/
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class Mail_mime
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{
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/**
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* Contains the plain text part of the email
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* @var string
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*/
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var $_txtbody;
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/**
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* Contains the html part of the email
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* @var string
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*/
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var $_htmlbody;
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/**
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* contains the mime encoded text
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* @var string
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*/
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var $_mime;
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/**
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* contains the multipart content
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* @var string
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*/
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var $_multipart;
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/**
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* list of the attached images
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* @var array
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*/
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var $_html_images = array();
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/**
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* list of the attachements
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* @var array
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*/
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var $_parts = array();
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/**
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* Build parameters
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* @var array
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*/
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var $_build_params = array();
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/**
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* Headers for the mail
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* @var array
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*/
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var $_headers = array();
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/**
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* End Of Line sequence (for serialize)
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* @var string
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*/
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var $_eol;
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/**
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* Constructor function
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*
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* @access public
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*/
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function Mail_mime($crlf = "\r\n")
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{
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$this->_setEOL($crlf);
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$this->_build_params = array(
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'head_encoding' => 'quoted-printable',
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'text_encoding' => '7bit',
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'html_encoding' => 'quoted-printable',
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'7bit_wrap' => 998,
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'html_charset' => 'ISO-8859-1',
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'text_charset' => 'ISO-8859-1',
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'head_charset' => 'ISO-8859-1'
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);
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}
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/**
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* Wakeup (unserialize) - re-sets EOL constant
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*
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* @access private
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*/
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function __wakeup()
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{
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$this->_setEOL($this->_eol);
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}
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/**
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* Accessor function to set the body text. Body text is used if
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* it's not an html mail being sent or else is used to fill the
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* text/plain part that emails clients who don't support
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* html should show.
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*
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* @param string $data Either a string or
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* the file name with the contents
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* @param bool $isfile If true the first param should be treated
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* as a file name, else as a string (default)
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* @param bool $append If true the text or file is appended to
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* the existing body, else the old body is
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* overwritten
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* @return mixed true on success or PEAR_Error object
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* @access public
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*/
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function setTXTBody($data, $isfile = false, $append = false)
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{
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if (!$isfile) {
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if (!$append) {
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$this->_txtbody = $data;
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} else {
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$this->_txtbody .= $data;
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}
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} else {
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$cont = $this->_file2str($data);
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if (PEAR::isError($cont)) {
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return $cont;
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}
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if (!$append) {
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$this->_txtbody = $cont;
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} else {
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$this->_txtbody .= $cont;
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}
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}
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return true;
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}
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/**
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* Adds a html part to the mail
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*
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* @param string $data Either a string or the file name with the
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* contents
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* @param bool $isfile If true the first param should be treated
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* as a file name, else as a string (default)
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* @return mixed true on success or PEAR_Error object
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* @access public
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*/
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function setHTMLBody($data, $isfile = false)
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{
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if (!$isfile) {
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$this->_htmlbody = $data;
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} else {
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$cont = $this->_file2str($data);
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if (PEAR::isError($cont)) {
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return $cont;
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}
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$this->_htmlbody = $cont;
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}
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return true;
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}
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/**
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* returns the HTML body portion of the message
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* @return string HTML body of the message
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* @access public
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*/
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function getHTMLBody()
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{
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return $this->_htmlbody;
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}
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/**
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* Adds an image to the list of embedded images.
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*
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* @param string $file The image file name OR image data itself
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* @param string $c_type The content type
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* @param string $name The filename of the image.
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* Only use if $file is the image data
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* @param bool $isfilename Whether $file is a filename or not
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* Defaults to true
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* @param string $contentid Desired Content-ID of MIME part
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* Defaults to generated unique ID
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* @return mixed true on success or PEAR_Error object
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* @access public
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*/
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function addHTMLImage($file, $c_type='application/octet-stream',
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$name = '', $isfilename = true, $contentid = '')
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{
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$filedata = ($isfilename === true) ? $this->_file2str($file)
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: $file;
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if ($isfilename === true) {
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$filename = ($name == '' ? $file : $name);
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} else {
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$filename = $name;
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}
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if (PEAR::isError($filedata)) {
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return $filedata;
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}
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if ($contentid == '') {
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$contentid = md5(uniqid(time()));
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}
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$this->_html_images[] = array(
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'body' => $filedata,
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'name' => $filename,
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'c_type' => $c_type,
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'cid' => $contentid
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);
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return true;
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}
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/**
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* Adds a file to the list of attachments.
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*
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* @param string $file The file name of the file to attach
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* OR the file contents itself
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* @param string $c_type The content type
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* @param string $name The filename of the attachment
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* Only use if $file is the contents
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* @param bool $isFilename Whether $file is a filename or not
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* Defaults to true
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* @param string $encoding The type of encoding to use.
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* Defaults to base64.
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* Possible values: 7bit, 8bit, base64,
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* or quoted-printable.
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* @param string $disposition The content-disposition of this file
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* Defaults to attachment.
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* Possible values: attachment, inline.
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* @param string $charset The character set used in the filename
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* of this attachment.
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* @return mixed true on success or PEAR_Error object
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* @access public
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*/
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function addAttachment($file, $c_type = 'application/octet-stream',
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$name = '', $isfilename = true,
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$encoding = 'base64',
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$disposition = 'attachment', $charset = '')
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{
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$filedata = ($isfilename === true) ? $this->_file2str($file)
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: $file;
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if ($isfilename === true) {
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// Force the name the user supplied, otherwise use $file
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$filename = (!empty($name)) ? $name : $file;
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} else {
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$filename = $name;
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}
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if (empty($filename)) {
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$err = PEAR::raiseError(
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"The supplied filename for the attachment can't be empty"
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);
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return $err;
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}
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$filename = basename($filename);
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if (PEAR::isError($filedata)) {
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return $filedata;
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}
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$this->_parts[] = array(
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'body' => $filedata,
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'name' => $filename,
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'c_type' => $c_type,
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'encoding' => $encoding,
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'charset' => $charset,
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'disposition' => $disposition
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);
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return true;
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}
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/**
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* Get the contents of the given file name as string
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*
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* @param string $file_name path of file to process
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* @return string contents of $file_name
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* @access private
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*/
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function &_file2str($file_name)
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{
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if (!is_readable($file_name)) {
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$err = PEAR::raiseError('File is not readable ' . $file_name);
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return $err;
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}
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if (!$fd = fopen($file_name, 'rb')) {
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$err = PEAR::raiseError('Could not open ' . $file_name);
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return $err;
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}
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$filesize = filesize($file_name);
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if ($filesize == 0){
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$cont = "";
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}else{
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if ($magic_quote_setting = get_magic_quotes_runtime()){
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set_magic_quotes_runtime(0);
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}
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$cont = fread($fd, $filesize);
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if ($magic_quote_setting){
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set_magic_quotes_runtime($magic_quote_setting);
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}
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}
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fclose($fd);
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return $cont;
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}
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/**
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* Adds a text subpart to the mimePart object and
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* returns it during the build process.
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*
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* @param mixed The object to add the part to, or
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* null if a new object is to be created.
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* @param string The text to add.
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* @return object The text mimePart object
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* @access private
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*/
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function &_addTextPart(&$obj, $text)
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{
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$params['content_type'] = 'text/plain';
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$params['encoding'] = $this->_build_params['text_encoding'];
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$params['charset'] = $this->_build_params['text_charset'];
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if (is_object($obj)) {
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$ret = $obj->addSubpart($text, $params);
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return $ret;
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} else {
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$ret = new Mail_mimePart($text, $params);
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return $ret;
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}
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}
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/**
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* Adds a html subpart to the mimePart object and
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* returns it during the build process.
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*
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* @param mixed The object to add the part to, or
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* null if a new object is to be created.
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* @return object The html mimePart object
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* @access private
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*/
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function &_addHtmlPart(&$obj)
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{
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$params['content_type'] = 'text/html';
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$params['encoding'] = $this->_build_params['html_encoding'];
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$params['charset'] = $this->_build_params['html_charset'];
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if (is_object($obj)) {
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$ret = $obj->addSubpart($this->_htmlbody, $params);
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return $ret;
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} else {
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$ret = new Mail_mimePart($this->_htmlbody, $params);
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return $ret;
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}
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}
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/**
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* Creates a new mimePart object, using multipart/mixed as
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* the initial content-type and returns it during the
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* build process.
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*
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* @return object The multipart/mixed mimePart object
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* @access private
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*/
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function &_addMixedPart()
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{
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$params['content_type'] = 'multipart/mixed';
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$ret = new Mail_mimePart('', $params);
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return $ret;
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}
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/**
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* Adds a multipart/alternative part to a mimePart
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* object (or creates one), and returns it during
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* the build process.
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*
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* @param mixed The object to add the part to, or
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* null if a new object is to be created.
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* @return object The multipart/mixed mimePart object
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* @access private
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*/
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function &_addAlternativePart(&$obj)
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{
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$params['content_type'] = 'multipart/alternative';
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if (is_object($obj)) {
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return $obj->addSubpart('', $params);
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} else {
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$ret = new Mail_mimePart('', $params);
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return $ret;
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}
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}
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/**
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* Adds a multipart/related part to a mimePart
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* object (or creates one), and returns it during
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* the build process.
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*
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* @param mixed The object to add the part to, or
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* null if a new object is to be created
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* @return object The multipart/mixed mimePart object
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* @access private
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*/
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function &_addRelatedPart(&$obj)
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{
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$params['content_type'] = 'multipart/related';
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if (is_object($obj)) {
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return $obj->addSubpart('', $params);
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} else {
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$ret = new Mail_mimePart('', $params);
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return $ret;
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}
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}
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/**
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* Adds an html image subpart to a mimePart object
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* and returns it during the build process.
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*
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* @param object The mimePart to add the image to
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* @param array The image information
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* @return object The image mimePart object
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* @access private
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*/
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function &_addHtmlImagePart(&$obj, $value)
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{
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$params['content_type'] = $value['c_type'] . '; ' .
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'name="' . $value['name'] . '"';
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$params['encoding'] = 'base64';
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$params['disposition'] = 'inline';
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$params['dfilename'] = $value['name'];
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$params['cid'] = $value['cid'];
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$ret = $obj->addSubpart($value['body'], $params);
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return $ret;
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}
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/**
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* Adds an attachment subpart to a mimePart object
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* and returns it during the build process.
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*
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* @param object The mimePart to add the image to
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* @param array The attachment information
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* @return object The image mimePart object
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* @access private
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*/
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function &_addAttachmentPart(&$obj, $value)
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{
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$params['dfilename'] = $value['name'];
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$params['encoding'] = $value['encoding'];
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if ($value['disposition'] != "inline") {
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$fname = array("fname" => $value['name']);
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$fname_enc = $this->_encodeHeaders($fname);
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$params['dfilename'] = $fname_enc['fname'];
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}
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if ($value['charset']) {
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$params['charset'] = $value['charset'];
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}
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$params['content_type'] = $value['c_type'] . '; ' .
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'name="' . $params['dfilename'] . '"';
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$params['disposition'] = isset($value['disposition']) ?
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$value['disposition'] : 'attachment';
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$ret = $obj->addSubpart($value['body'], $params);
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return $ret;
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}
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/**
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* Returns the complete e-mail, ready to send using an alternative
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* mail delivery method. Note that only the mailpart that is made
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* with Mail_Mime is created. This means that,
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* YOU WILL HAVE NO TO: HEADERS UNLESS YOU SET IT YOURSELF
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* using the $xtra_headers parameter!
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*
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* @param string $separation The separation etween these two parts.
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* @param array $build_params The Build parameters passed to the
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* &get() function. See &get for more info.
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* @param array $xtra_headers The extra headers that should be passed
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* to the &headers() function.
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* See that function for more info.
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* @param bool $overwrite Overwrite the existing headers with new.
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* @return string The complete e-mail.
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* @access public
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*/
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function getMessage($separation = null, $build_params = null, $xtra_headers = null, $overwrite = false)
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{
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if ($separation === null)
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{
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$separation = MAIL_MIME_CRLF;
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}
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$body = $this->get($build_params);
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$head = $this->txtHeaders($xtra_headers, $overwrite);
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$mail = $head . $separation . $body;
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return $mail;
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}
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/**
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* Builds the multipart message from the list ($this->_parts) and
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* returns the mime content.
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*
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* @param array Build parameters that change the way the email
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* is built. Should be associative. Can contain:
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* head_encoding - What encoding to use for the headers.
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|
* Options: quoted-printable or base64
|
|
* Default is quoted-printable
|
|
* text_encoding - What encoding to use for plain text
|
|
* Options: 7bit, 8bit, base64, or quoted-printable
|
|
* Default is 7bit
|
|
* html_encoding - What encoding to use for html
|
|
* Options: 7bit, 8bit, base64, or quoted-printable
|
|
* Default is quoted-printable
|
|
* 7bit_wrap - Number of characters before text is
|
|
* wrapped in 7bit encoding
|
|
* Default is 998
|
|
* html_charset - The character set to use for html.
|
|
* Default is iso-8859-1
|
|
* text_charset - The character set to use for text.
|
|
* Default is iso-8859-1
|
|
* head_charset - The character set to use for headers.
|
|
* Default is iso-8859-1
|
|
* @return string The mime content
|
|
* @access public
|
|
*/
|
|
function &get($build_params = null)
|
|
{
|
|
if (isset($build_params)) {
|
|
while (list($key, $value) = each($build_params)) {
|
|
$this->_build_params[$key] = $value;
|
|
}
|
|
}
|
|
|
|
if (!empty($this->_html_images) AND isset($this->_htmlbody)) {
|
|
foreach ($this->_html_images as $key => $value) {
|
|
$regex = array();
|
|
$regex[] = '#(\s)((?i)src|background|href(?-i))\s*=\s*(["\']?)' .
|
|
preg_quote($value['name'], '#') . '\3#';
|
|
$regex[] = '#(?i)url(?-i)\(\s*(["\']?)' .
|
|
preg_quote($value['name'], '#') . '\1\s*\)#';
|
|
$rep = array();
|
|
$rep[] = '\1\2=\3cid:' . $value['cid'] .'\3';
|
|
$rep[] = 'url(\1cid:' . $value['cid'] . '\2)';
|
|
$this->_htmlbody = preg_replace($regex, $rep,
|
|
$this->_htmlbody
|
|
);
|
|
$this->_html_images[$key]['name'] = basename($this->_html_images[$key]['name']);
|
|
}
|
|
}
|
|
|
|
$null = null;
|
|
$attachments = !empty($this->_parts) ? true : false;
|
|
$html_images = !empty($this->_html_images) ? true : false;
|
|
$html = !empty($this->_htmlbody) ? true : false;
|
|
$text = (!$html AND !empty($this->_txtbody)) ? true : false;
|
|
|
|
switch (true) {
|
|
case $text AND !$attachments:
|
|
$message =& $this->_addTextPart($null, $this->_txtbody);
|
|
break;
|
|
|
|
case !$text AND !$html AND $attachments:
|
|
$message =& $this->_addMixedPart();
|
|
for ($i = 0; $i < count($this->_parts); $i++) {
|
|
$this->_addAttachmentPart($message, $this->_parts[$i]);
|
|
}
|
|
break;
|
|
|
|
case $text AND $attachments:
|
|
$message =& $this->_addMixedPart();
|
|
$this->_addTextPart($message, $this->_txtbody);
|
|
for ($i = 0; $i < count($this->_parts); $i++) {
|
|
$this->_addAttachmentPart($message, $this->_parts[$i]);
|
|
}
|
|
break;
|
|
|
|
case $html AND !$attachments AND !$html_images:
|
|
if (isset($this->_txtbody)) {
|
|
$message =& $this->_addAlternativePart($null);
|
|
$this->_addTextPart($message, $this->_txtbody);
|
|
$this->_addHtmlPart($message);
|
|
} else {
|
|
$message =& $this->_addHtmlPart($null);
|
|
}
|
|
break;
|
|
|
|
case $html AND !$attachments AND $html_images:
|
|
if (isset($this->_txtbody)) {
|
|
$message =& $this->_addAlternativePart($null);
|
|
$this->_addTextPart($message, $this->_txtbody);
|
|
$related =& $this->_addRelatedPart($message);
|
|
} else {
|
|
$message =& $this->_addRelatedPart($null);
|
|
$related =& $message;
|
|
}
|
|
$this->_addHtmlPart($related);
|
|
for ($i = 0; $i < count($this->_html_images); $i++) {
|
|
$this->_addHtmlImagePart($related, $this->_html_images[$i]);
|
|
}
|
|
break;
|
|
|
|
case $html AND $attachments AND !$html_images:
|
|
$message =& $this->_addMixedPart();
|
|
if (isset($this->_txtbody)) {
|
|
$alt =& $this->_addAlternativePart($message);
|
|
$this->_addTextPart($alt, $this->_txtbody);
|
|
$this->_addHtmlPart($alt);
|
|
} else {
|
|
$this->_addHtmlPart($message);
|
|
}
|
|
for ($i = 0; $i < count($this->_parts); $i++) {
|
|
$this->_addAttachmentPart($message, $this->_parts[$i]);
|
|
}
|
|
break;
|
|
|
|
case $html AND $attachments AND $html_images:
|
|
$message =& $this->_addMixedPart();
|
|
if (isset($this->_txtbody)) {
|
|
$alt =& $this->_addAlternativePart($message);
|
|
$this->_addTextPart($alt, $this->_txtbody);
|
|
$rel =& $this->_addRelatedPart($alt);
|
|
} else {
|
|
$rel =& $this->_addRelatedPart($message);
|
|
}
|
|
$this->_addHtmlPart($rel);
|
|
for ($i = 0; $i < count($this->_html_images); $i++) {
|
|
$this->_addHtmlImagePart($rel, $this->_html_images[$i]);
|
|
}
|
|
for ($i = 0; $i < count($this->_parts); $i++) {
|
|
$this->_addAttachmentPart($message, $this->_parts[$i]);
|
|
}
|
|
break;
|
|
|
|
}
|
|
|
|
if (isset($message)) {
|
|
$output = $message->encode();
|
|
$this->_headers = array_merge($this->_headers,
|
|
$output['headers']);
|
|
$body = $output['body'];
|
|
return $body;
|
|
|
|
} else {
|
|
$ret = false;
|
|
return $ret;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Returns an array with the headers needed to prepend to the email
|
|
* (MIME-Version and Content-Type). Format of argument is:
|
|
* $array['header-name'] = 'header-value';
|
|
*
|
|
* @param array $xtra_headers Assoc array with any extra headers.
|
|
* Optional.
|
|
* @param bool $overwrite Overwrite already existing headers.
|
|
* @return array Assoc array with the mime headers
|
|
* @access public
|
|
*/
|
|
function &headers($xtra_headers = null, $overwrite = false)
|
|
{
|
|
// Content-Type header should already be present,
|
|
// So just add mime version header
|
|
$headers['MIME-Version'] = '1.0';
|
|
if (isset($xtra_headers)) {
|
|
$headers = array_merge($headers, $xtra_headers);
|
|
}
|
|
if ($overwrite){
|
|
$this->_headers = array_merge($this->_headers, $headers);
|
|
}else{
|
|
$this->_headers = array_merge($headers, $this->_headers);
|
|
}
|
|
|
|
$encodedHeaders = $this->_encodeHeaders($this->_headers);
|
|
return $encodedHeaders;
|
|
}
|
|
|
|
/**
|
|
* Get the text version of the headers
|
|
* (usefull if you want to use the PHP mail() function)
|
|
*
|
|
* @param array $xtra_headers Assoc array with any extra headers.
|
|
* Optional.
|
|
* @param bool $overwrite Overwrite the existing heaers with new.
|
|
* @return string Plain text headers
|
|
* @access public
|
|
*/
|
|
function txtHeaders($xtra_headers = null, $overwrite = false)
|
|
{
|
|
$headers = $this->headers($xtra_headers, $overwrite);
|
|
$ret = '';
|
|
foreach ($headers as $key => $val) {
|
|
$ret .= "$key: $val" . MAIL_MIME_CRLF;
|
|
}
|
|
return $ret;
|
|
}
|
|
|
|
/**
|
|
* Sets the Subject header
|
|
*
|
|
* @param string $subject String to set the subject to
|
|
* access public
|
|
*/
|
|
function setSubject($subject)
|
|
{
|
|
$this->_headers['Subject'] = $subject;
|
|
}
|
|
|
|
/**
|
|
* Set an email to the From (the sender) header
|
|
*
|
|
* @param string $email The email direction to add
|
|
* @access public
|
|
*/
|
|
function setFrom($email)
|
|
{
|
|
$this->_headers['From'] = $email;
|
|
}
|
|
|
|
/**
|
|
* Add an email to the Cc (carbon copy) header
|
|
* (multiple calls to this method are allowed)
|
|
*
|
|
* @param string $email The email direction to add
|
|
* @access public
|
|
*/
|
|
function addCc($email)
|
|
{
|
|
if (isset($this->_headers['Cc'])) {
|
|
$this->_headers['Cc'] .= ", $email";
|
|
} else {
|
|
$this->_headers['Cc'] = $email;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Add an email to the Bcc (blank carbon copy) header
|
|
* (multiple calls to this method are allowed)
|
|
*
|
|
* @param string $email The email direction to add
|
|
* @access public
|
|
*/
|
|
function addBcc($email)
|
|
{
|
|
if (isset($this->_headers['Bcc'])) {
|
|
$this->_headers['Bcc'] .= ", $email";
|
|
} else {
|
|
$this->_headers['Bcc'] = $email;
|
|
}
|
|
}
|
|
|
|
/**
|
|
* Since the PHP send function requires you to specifiy
|
|
* recipients (To: header) separately from the other
|
|
* headers, the To: header is not properly encoded.
|
|
* To fix this, you can use this public method to
|
|
* encode your recipients before sending to the send
|
|
* function
|
|
*
|
|
* @param string $recipients A comma-delimited list of recipients
|
|
* @return string Encoded data
|
|
* @access public
|
|
*/
|
|
function encodeRecipients($recipients)
|
|
{
|
|
$input = array("To" => $recipients);
|
|
$retval = $this->_encodeHeaders($input);
|
|
return $retval["To"] ;
|
|
}
|
|
|
|
/**
|
|
* Encodes a header as per RFC2047
|
|
*
|
|
* @param array $input The header data to encode
|
|
* @return array Encoded data
|
|
* @access private
|
|
*/
|
|
function _encodeHeaders($input)
|
|
{
|
|
$maxlen = 73;
|
|
foreach ($input as $hdr_name => $hdr_value) {
|
|
// if header contains e-mail addresses
|
|
if (preg_match('/\s<.+@[a-z0-9\-\.]+\.[a-z]+>/U', $hdr_value))
|
|
$chunks = $this->_explode_quoted_string(',', $hdr_value);
|
|
else
|
|
$chunks = array($hdr_value);
|
|
|
|
$hdr_value = '';
|
|
$line_len = 0;
|
|
|
|
foreach ($chunks as $i => $value) {
|
|
$value = trim($value);
|
|
|
|
//This header contains non ASCII chars and should be encoded.
|
|
if (preg_match('#[\x80-\xFF]{1}#', $value)) {
|
|
$suffix = '';
|
|
// Don't encode e-mail address
|
|
if (preg_match('/(.+)\s(<.+@[a-z0-9\-\.]+\.[a-z]{2,5}>)$/Ui', $value, $matches)) {
|
|
$value = $matches[1];
|
|
$suffix = ' '.$matches[2];
|
|
}
|
|
|
|
switch ($this->_build_params['head_encoding']) {
|
|
case 'base64':
|
|
// Base64 encoding has been selected.
|
|
$mode = 'B';
|
|
$encoded = base64_encode($value);
|
|
break;
|
|
|
|
case 'quoted-printable':
|
|
default:
|
|
// quoted-printable encoding has been selected
|
|
$mode = 'Q';
|
|
$encoded = preg_replace('/([\x20-\x25\x2C\x80-\xFF])/e', "'='.sprintf('%02X', ord('\\1'))", $value);
|
|
// replace spaces with _
|
|
$encoded = str_replace('=20', '_', $encoded);
|
|
}
|
|
|
|
$value = '=?' . $this->_build_params['head_charset'] . '?' . $mode . '?' . $encoded . '?=' . $suffix;
|
|
}
|
|
|
|
// add chunk to output string by regarding the header maxlen
|
|
$len = strlen($value);
|
|
if ($line_len + $len < $maxlen) {
|
|
$hdr_value .= ($i>0?', ':'') . $value;
|
|
$line_len += $len + ($i>0?2:0);
|
|
}
|
|
else {
|
|
$hdr_value .= ($i>0?', ':'') . "\n " . $value;
|
|
$line_len = $len;
|
|
}
|
|
}
|
|
|
|
$input[$hdr_name] = $hdr_value;
|
|
}
|
|
|
|
return $input;
|
|
}
|
|
|
|
|
|
function _explode_quoted_string($delimiter, $string)
|
|
{
|
|
$quotes = explode("\"", $string);
|
|
foreach ($quotes as $key => $val)
|
|
if (($key % 2) == 1)
|
|
$quotes[$key] = str_replace($delimiter, "_!@!_", $quotes[$key]);
|
|
|
|
$string = implode("\"", $quotes);
|
|
|
|
$result = explode($delimiter, $string);
|
|
foreach ($result as $key => $val)
|
|
$result[$key] = str_replace("_!@!_", $delimiter, $result[$key]);
|
|
|
|
return $result;
|
|
}
|
|
|
|
|
|
/**
|
|
* Set the object's end-of-line and define the constant if applicable
|
|
*
|
|
* @param string $eol End Of Line sequence
|
|
* @access private
|
|
*/
|
|
function _setEOL($eol)
|
|
{
|
|
$this->_eol = $eol;
|
|
if (!defined('MAIL_MIME_CRLF')) {
|
|
define('MAIL_MIME_CRLF', $this->_eol, true);
|
|
}
|
|
}
|
|
|
|
|
|
|
|
} // End of class
|
|
?>
|
|
|