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Zend Framework入门教程之Zend_Mail用法示例

程序员文章站 2024-03-05 14:43:43
本文实例讲述了zend framework入门教程之zend_mail用法。分享给大家供大家参考,具体如下: zend_mail组件提供了通用化的功能来创建和发送文本。...

本文实例讲述了zend framework入门教程之zend_mail用法。分享给大家供大家参考,具体如下:

zend_mail组件提供了通用化的功能来创建和发送文本。

zend_mail通过php内建的mail()函数或者直接通过smtp连接来发送邮件。

一个简单的邮件由收件人、主题、邮件内容以及发件人等内容组成。

步骤如下

1.创建对象
2.设置邮件内容
3.发送

案例:

<?php
require_once "zend/mail.php";
$my_mail = new zend_mail();             //创建一个对象
$my_mail->addto("jiqing9006@126.com","jim");    //添加一个收件人
$my_mail->setsubject("just a test");        //设置主题
$my_mail->setbodytext("hello jim!");        //为邮件设置正文内容
$my_mail->setfrom("706507884@qq.com","jiqing");   //为邮件设置发件人
echo "邮件设置完毕";
echo "<p>";
echo "邮件收件人为:";
$result = $my_mail->getheaders();
echo $result['to'][0];
echo "<p>";
echo "邮件主题为:";
echo $my_mail->getsubject();
echo "<p>";
echo "邮件内容为:";
$result = $my_mail->getbodytext();
echo $result->getcontent();
echo "<p>";
echo "邮件发件人为:";
echo $my_mail->getfrom();
echo "<p>";
$my_mail->send();

结果:

邮件设置完毕
邮件收件人为:jim
邮件主题为:just a test
邮件内容为:hello jim!
邮件发件人为:706507884@qq.com

fatal error: uncaught exception 'zend_mail_transport_exception' with message 'unable to send mail. mail() [<a href='function.mail'>function.mail</a>]: failed to connect to mailserver at "localhost" port 25, verify your "smtp" and "smtp_port" setting in php.ini or use ini_set()' in c:\zend\library\zend\mail\transport\sendmail.php:137 stack trace: #0 c:\zend\library\zend\mail\transport\abstract.php(348): zend_mail_transport_sendmail->_sendmail() #1 c:\zend\library\zend\mail.php(1194): zend_mail_transport_abstract->send(object(zend_mail)) #2 d:\xampp\htdocs\test.php(24): zend_mail->send() #3 {main} thrown in c:\zend\library\zend\mail\transport\sendmail.php on line 137

点评:

这里执行不能成功,是因为没有配置好mail服务器。

源码分析:

<?php
/**
 * zend framework
 *
 * license
 *
 * this source file is subject to the new bsd license that is bundled
 * with this package in the file license.txt.
 * it is also available through the world-wide-web at this url:
 * http://framework.zend.com/license/new-bsd
 * if you did not receive a copy of the license and are unable to
 * obtain it through the world-wide-web, please send an email
 * to license@zend.com so we can send you a copy immediately.
 *
 * @category  zend
 * @package  zend_mail
 * @copyright copyright (c) 2005-2012 zend technologies usa inc. (http://www.zend.com)
 * @license  http://framework.zend.com/license/new-bsd   new bsd license
 * @version  $id: mail.php 24593 2012-01-05 20:35:02z matthew $
 */
/**
 * @see zend_mail_transport_abstract
 */
require_once 'zend/mail/transport/abstract.php';
/**
 * @see zend_mime
 */
require_once 'zend/mime.php';
/**
 * @see zend_mime_message
 */
require_once 'zend/mime/message.php';
/**
 * @see zend_mime_part
 */
require_once 'zend/mime/part.php';
/**
 * class for sending an email.
 *
 * @category  zend
 * @package  zend_mail
 * @copyright copyright (c) 2005-2012 zend technologies usa inc. (http://www.zend.com)
 * @license  http://framework.zend.com/license/new-bsd   new bsd license
 */
class zend_mail extends zend_mime_message
{
  /**#@+
   * @access protected
   */
  /**
   * @var zend_mail_transport_abstract
   * @static
   */
  protected static $_defaulttransport = null;
  /**
   * @var array
   * @static
   */
  protected static $_defaultfrom;
  /**
   * @var array
   * @static
   */
  protected static $_defaultreplyto;
  /**
   * mail character set
   * @var string
   */
  protected $_charset = 'iso-8859-1';
  /**
   * mail headers
   * @var array
   */
  protected $_headers = array();
  /**
   * encoding of mail headers
   * @var string
   */
  protected $_headerencoding = zend_mime::encoding_quotedprintable;
  /**
   * from: address
   * @var string
   */
  protected $_from = null;
  /**
   * to: addresses
   * @var array
   */
  protected $_to = array();
  /**
   * array of all recipients
   * @var array
   */
  protected $_recipients = array();
  /**
   * reply-to header
   * @var string
   */
  protected $_replyto = null;
  /**
   * return-path header
   * @var string
   */
  protected $_returnpath = null;
  /**
   * subject: header
   * @var string
   */
  protected $_subject = null;
  /**
   * date: header
   * @var string
   */
  protected $_date = null;
  /**
   * message-id: header
   * @var string
   */
  protected $_messageid = null;
  /**
   * text/plain mime part
   * @var false|zend_mime_part
   */
  protected $_bodytext = false;
  /**
   * text/html mime part
   * @var false|zend_mime_part
   */
  protected $_bodyhtml = false;
  /**
   * mime boundary string
   * @var string
   */
  protected $_mimeboundary = null;
  /**
   * content type of the message
   * @var string
   */
  protected $_type = null;
  /**#@-*/
  /**
   * flag: whether or not email has attachments
   * @var boolean
   */
  public $hasattachments = false;
  /**
   * sets the default mail transport for all following uses of
   * zend_mail::send();
   *
   * @todo allow passing a string to indicate the transport to load
   * @todo allow passing in optional options for the transport to load
   * @param zend_mail_transport_abstract $transport
   */
  public static function setdefaulttransport(zend_mail_transport_abstract $transport)
  {
    self::$_defaulttransport = $transport;
  }
  /**
   * gets the default mail transport for all following uses of
   * unittests
   *
   * @todo allow passing a string to indicate the transport to load
   * @todo allow passing in optional options for the transport to load
   */
  public static function getdefaulttransport()
  {
    return self::$_defaulttransport;
  }
  /**
   * clear the default transport property
   */
  public static function cleardefaulttransport()
  {
    self::$_defaulttransport = null;
  }
  /**
   * public constructor
   *
   * @param string $charset
   * @return void
   */
  public function __construct($charset = null)
  {
    if ($charset != null) {
      $this->_charset = $charset;
    }
  }
  /**
   * return charset string
   *
   * @return string
   */
  public function getcharset()
  {
    return $this->_charset;
  }
  /**
   * set content type
   *
   * should only be used for manually setting multipart content types.
   *
   * @param string $type content type
   * @return zend_mail implements fluent interface
   * @throws zend_mail_exception for types not supported by zend_mime
   */
  public function settype($type)
  {
    $allowed = array(
      zend_mime::multipart_alternative,
      zend_mime::multipart_mixed,
      zend_mime::multipart_related,
    );
    if (!in_array($type, $allowed)) {
      /**
       * @see zend_mail_exception
       */
      require_once 'zend/mail/exception.php';
      throw new zend_mail_exception('invalid content type "' . $type . '"');
    }
    $this->_type = $type;
    return $this;
  }
  /**
   * get content type of the message
   *
   * @return string
   */
  public function gettype()
  {
    return $this->_type;
  }
  /**
   * set an arbitrary mime boundary for the message
   *
   * if not set, zend_mime will generate one.
   *
   * @param string  $boundary
   * @return zend_mail provides fluent interface
   */
  public function setmimeboundary($boundary)
  {
    $this->_mimeboundary = $boundary;
    return $this;
  }
  /**
   * return the boundary string used for the message
   *
   * @return string
   */
  public function getmimeboundary()
  {
    return $this->_mimeboundary;
  }
  /**
   * return encoding of mail headers
   *
   * @deprecated use {@link getheaderencoding()} instead
   * @return string
   */
  public function getencodingofheaders()
  {
    return $this->getheaderencoding();
  }
  /**
   * return the encoding of mail headers
   *
   * either zend_mime::encoding_quotedprintable or zend_mime::encoding_base64
   *
   * @return string
   */
  public function getheaderencoding()
  {
    return $this->_headerencoding;
  }
  /**
   * set the encoding of mail headers
   *
   * @deprecated use {@link setheaderencoding()} instead.
   * @param string $encoding
   * @return zend_mail
   */
  public function setencodingofheaders($encoding)
  {
    return $this->setheaderencoding($encoding);
  }
  /**
   * set the encoding of mail headers
   *
   * @param string $encoding zend_mime::encoding_quotedprintable or zend_mime::encoding_base64
   * @return zend_mail provides fluent interface
   */
  public function setheaderencoding($encoding)
  {
    $allowed = array(
      zend_mime::encoding_base64,
      zend_mime::encoding_quotedprintable
    );
    if (!in_array($encoding, $allowed)) {
      /**
       * @see zend_mail_exception
       */
      require_once 'zend/mail/exception.php';
      throw new zend_mail_exception('invalid encoding "' . $encoding . '"');
    }
    $this->_headerencoding = $encoding;
    return $this;
  }
  /**
   * sets the text body for the message.
   *
   * @param string $txt
   * @param string $charset
   * @param string $encoding
   * @return zend_mail provides fluent interface
  */
  public function setbodytext($txt, $charset = null, $encoding = zend_mime::encoding_quotedprintable)
  {
    if ($charset === null) {
      $charset = $this->_charset;
    }
    $mp = new zend_mime_part($txt);
    $mp->encoding = $encoding;
    $mp->type = zend_mime::type_text;
    $mp->disposition = zend_mime::disposition_inline;
    $mp->charset = $charset;
    $this->_bodytext = $mp;
    return $this;
  }
  /**
   * return text body zend_mime_part or string
   *
   * @param bool textonly whether to return just the body text content or the mime part; defaults to false, the mime part
   * @return false|zend_mime_part|string
   */
  public function getbodytext($textonly = false)
  {
    if ($textonly && $this->_bodytext) {
      $body = $this->_bodytext;
      return $body->getcontent();
    }
    return $this->_bodytext;
  }
  /**
   * sets the html body for the message
   *
   * @param string  $html
   * @param string  $charset
   * @param string  $encoding
   * @return zend_mail provides fluent interface
   */
  public function setbodyhtml($html, $charset = null, $encoding = zend_mime::encoding_quotedprintable)
  {
    if ($charset === null) {
      $charset = $this->_charset;
    }
    $mp = new zend_mime_part($html);
    $mp->encoding = $encoding;
    $mp->type = zend_mime::type_html;
    $mp->disposition = zend_mime::disposition_inline;
    $mp->charset = $charset;
    $this->_bodyhtml = $mp;
    return $this;
  }
  /**
   * return zend_mime_part representing body html
   *
   * @param bool $htmlonly whether to return the body html only, or the mime part; defaults to false, the mime part
   * @return false|zend_mime_part|string
   */
  public function getbodyhtml($htmlonly = false)
  {
    if ($htmlonly && $this->_bodyhtml) {
      $body = $this->_bodyhtml;
      return $body->getcontent();
    }
    return $this->_bodyhtml;
  }
  /**
   * adds an existing attachment to the mail message
   *
   * @param zend_mime_part $attachment
   * @return zend_mail provides fluent interface
   */
  public function addattachment(zend_mime_part $attachment)
  {
    $this->addpart($attachment);
    $this->hasattachments = true;
    return $this;
  }
  /**
   * creates a zend_mime_part attachment
   *
   * attachment is automatically added to the mail object after creation. the
   * attachment object is returned to allow for further manipulation.
   *
   * @param string     $body
   * @param string     $mimetype
   * @param string     $disposition
   * @param string     $encoding
   * @param string     $filename optional a filename for the attachment
   * @return zend_mime_part newly created zend_mime_part object (to allow
   * advanced settings)
   */
  public function createattachment($body,
                   $mimetype  = zend_mime::type_octetstream,
                   $disposition = zend_mime::disposition_attachment,
                   $encoding  = zend_mime::encoding_base64,
                   $filename  = null)
  {
    $mp = new zend_mime_part($body);
    $mp->encoding = $encoding;
    $mp->type = $mimetype;
    $mp->disposition = $disposition;
    $mp->filename = $filename;
    $this->addattachment($mp);
    return $mp;
  }
  /**
   * return a count of message parts
   *
   * @return integer
   */
  public function getpartcount()
  {
    return count($this->_parts);
  }
  /**
   * encode header fields
   *
   * encodes header content according to rfc1522 if it contains non-printable
   * characters.
   *
   * @param string $value
   * @return string
   */
  protected function _encodeheader($value)
  {
    if (zend_mime::isprintable($value) === false) {
      if ($this->getheaderencoding() === zend_mime::encoding_quotedprintable) {
        $value = zend_mime::encodequotedprintableheader($value, $this->getcharset(), zend_mime::linelength, zend_mime::lineend);
      } else {
        $value = zend_mime::encodebase64header($value, $this->getcharset(), zend_mime::linelength, zend_mime::lineend);
      }
    }
    return $value;
  }
  /**
   * add a header to the message
   *
   * adds a header to this message. if append is true and the header already
   * exists, raises a flag indicating that the header should be appended.
   *
   * @param string $headername
   * @param string $value
   * @param bool $append
   */
  protected function _storeheader($headername, $value, $append = false)
  {
    if (isset($this->_headers[$headername])) {
      $this->_headers[$headername][] = $value;
    } else {
      $this->_headers[$headername] = array($value);
    }
    if ($append) {
      $this->_headers[$headername]['append'] = true;
    }
  }
  /**
   * clear header from the message
   *
   * @param string $headername
   * @deprecated use public method directly
   */
  protected function _clearheader($headername)
  {
    $this->clearheader($headername);
  }
  /**
   * helper function for adding a recipient and the corresponding header
   *
   * @param string $headername
   * @param string $email
   * @param string $name
   */
  protected function _addrecipientandheader($headername, $email, $name)
  {
    $email = $this->_filteremail($email);
    $name = $this->_filtername($name);
    // prevent duplicates
    $this->_recipients[$email] = 1;
    $this->_storeheader($headername, $this->_formataddress($email, $name), true);
  }
  /**
   * adds to-header and recipient, $email can be an array, or a single string address
   *
   * @param string|array $email
   * @param string $name
   * @return zend_mail provides fluent interface
   */
  public function addto($email, $name='')
  {
    if (!is_array($email)) {
      $email = array($name => $email);
    }
    foreach ($email as $n => $recipient) {
      $this->_addrecipientandheader('to', $recipient, is_int($n) ? '' : $n);
      $this->_to[] = $recipient;
    }
    return $this;
  }
  /**
   * adds cc-header and recipient, $email can be an array, or a single string address
   *
   * @param string|array  $email
   * @param string  $name
   * @return zend_mail provides fluent interface
   */
  public function addcc($email, $name='')
  {
    if (!is_array($email)) {
      $email = array($name => $email);
    }
    foreach ($email as $n => $recipient) {
      $this->_addrecipientandheader('cc', $recipient, is_int($n) ? '' : $n);
    }
    return $this;
  }
  /**
   * adds bcc recipient, $email can be an array, or a single string address
   *
   * @param string|array  $email
   * @return zend_mail provides fluent interface
   */
  public function addbcc($email)
  {
    if (!is_array($email)) {
      $email = array($email);
    }
    foreach ($email as $recipient) {
      $this->_addrecipientandheader('bcc', $recipient, '');
    }
    return $this;
  }
  /**
   * return list of recipient email addresses
   *
   * @return array (of strings)
   */
  public function getrecipients()
  {
    return array_keys($this->_recipients);
  }
  /**
   * clear header from the message
   *
   * @param string $headername
   * @return zend_mail provides fluent inter
   */
  public function clearheader($headername)
  {
    if (isset($this->_headers[$headername])){
      unset($this->_headers[$headername]);
    }
    return $this;
  }
  /**
   * clears list of recipient email addresses
   *
   * @return zend_mail provides fluent interface
   */
  public function clearrecipients()
  {
    $this->_recipients = array();
    $this->_to = array();
    $this->clearheader('to');
    $this->clearheader('cc');
    $this->clearheader('bcc');
    return $this;
  }
  /**
   * sets from-header and sender of the message
   *
   * @param string  $email
   * @param string  $name
   * @return zend_mail provides fluent interface
   * @throws zend_mail_exception if called subsequent times
   */
  public function setfrom($email, $name = null)
  {
    if (null !== $this->_from) {
      /**
       * @see zend_mail_exception
       */
      require_once 'zend/mail/exception.php';
      throw new zend_mail_exception('from header set twice');
    }
    $email = $this->_filteremail($email);
    $name = $this->_filtername($name);
    $this->_from = $email;
    $this->_storeheader('from', $this->_formataddress($email, $name), true);
    return $this;
  }
  /**
   * set reply-to header
   *
   * @param string $email
   * @param string $name
   * @return zend_mail
   * @throws zend_mail_exception if called more than one time
   */
  public function setreplyto($email, $name = null)
  {
    if (null !== $this->_replyto) {
      /**
       * @see zend_mail_exception
       */
      require_once 'zend/mail/exception.php';
      throw new zend_mail_exception('reply-to header set twice');
    }
    $email = $this->_filteremail($email);
    $name = $this->_filtername($name);
    $this->_replyto = $email;
    $this->_storeheader('reply-to', $this->_formataddress($email, $name), true);
    return $this;
  }
  /**
   * returns the sender of the mail
   *
   * @return string
   */
  public function getfrom()
  {
    return $this->_from;
  }
  /**
   * returns the current reply-to address of the message
   *
   * @return string|null reply-to address, null when not set
   */
  public function getreplyto()
  {
    return $this->_replyto;
  }
  /**
   * clears the sender from the mail
   *
   * @return zend_mail provides fluent interface
   */
  public function clearfrom()
  {
    $this->_from = null;
    $this->clearheader('from');
    return $this;
  }
   /**
   * clears the current reply-to address from the message
   *
   * @return zend_mail provides fluent interface
   */
  public function clearreplyto()
  {
    $this->_replyto = null;
    $this->clearheader('reply-to');
    return $this;
  }
  /**
   * sets default from-email and name of the message
   *
   * @param string        $email
   * @param string  optional  $name
   * @return void
   */
  public static function setdefaultfrom($email, $name = null)
  {
    self::$_defaultfrom = array('email' => $email, 'name' => $name);
  }
  /**
   * returns the default sender of the mail
   *
   * @return null|array  null if none was set.
   */
  public static function getdefaultfrom()
  {
    return self::$_defaultfrom;
  }
  /**
   * clears the default sender from the mail
   *
   * @return void
   */
  public static function cleardefaultfrom()
  {
    self::$_defaultfrom = null;
  }
  /**
   * sets from-name and -email based on the defaults
   *
   * @return zend_mail provides fluent interface
   */
  public function setfromtodefaultfrom() {
    $from = self::getdefaultfrom();
    if($from === null) {
      require_once 'zend/mail/exception.php';
      throw new zend_mail_exception(
        'no default from address set to use');
    }
    $this->setfrom($from['email'], $from['name']);
    return $this;
  }
  /**
   * sets default replyto-address and -name of the message
   *
   * @param string        $email
   * @param string  optional  $name
   * @return void
   */
  public static function setdefaultreplyto($email, $name = null)
  {
    self::$_defaultreplyto = array('email' => $email, 'name' => $name);
  }
  /**
   * returns the default reply-to address and name of the mail
   *
   * @return null|array  null if none was set.
   */
  public static function getdefaultreplyto()
  {
    return self::$_defaultreplyto;
  }
  /**
   * clears the default replyto-address and -name from the mail
   *
   * @return void
   */
  public static function cleardefaultreplyto()
  {
    self::$_defaultreplyto = null;
  }
  /**
   * sets replyto-name and -email based on the defaults
   *
   * @return zend_mail provides fluent interface
   */
  public function setreplytofromdefault() {
    $replyto = self::getdefaultreplyto();
    if($replyto === null) {
      require_once 'zend/mail/exception.php';
      throw new zend_mail_exception(
        'no default reply-to address set to use');
    }
    $this->setreplyto($replyto['email'], $replyto['name']);
    return $this;
  }
  /**
   * sets the return-path header of the message
   *
   * @param string  $email
   * @return zend_mail provides fluent interface
   * @throws zend_mail_exception if set multiple times
   */
  public function setreturnpath($email)
  {
    if ($this->_returnpath === null) {
      $email = $this->_filteremail($email);
      $this->_returnpath = $email;
      $this->_storeheader('return-path', $email, false);
    } else {
      /**
       * @see zend_mail_exception
       */
      require_once 'zend/mail/exception.php';
      throw new zend_mail_exception('return-path header set twice');
    }
    return $this;
  }
  /**
   * returns the current return-path address of the message
   *
   * if no return-path header is set, returns the value of {@link $_from}.
   *
   * @return string
   */
  public function getreturnpath()
  {
    if (null !== $this->_returnpath) {
      return $this->_returnpath;
    }
    return $this->_from;
  }
  /**
   * clears the current return-path address from the message
   *
   * @return zend_mail provides fluent interface
   */
  public function clearreturnpath()
  {
    $this->_returnpath = null;
    $this->clearheader('return-path');
    return $this;
  }
  /**
   * sets the subject of the message
   *
   * @param  string  $subject
   * @return zend_mail provides fluent interface
   * @throws zend_mail_exception
   */
  public function setsubject($subject)
  {
    if ($this->_subject === null) {
      $subject = $this->_filterother($subject);
      $this->_subject = $this->_encodeheader($subject);
      $this->_storeheader('subject', $this->_subject);
    } else {
      /**
       * @see zend_mail_exception
       */
      require_once 'zend/mail/exception.php';
      throw new zend_mail_exception('subject set twice');
    }
    return $this;
  }
  /**
   * returns the encoded subject of the message
   *
   * @return string
   */
  public function getsubject()
  {
    return $this->_subject;
  }
  /**
   * clears the encoded subject from the message
   *
   * @return zend_mail provides fluent interface
   */
  public function clearsubject()
  {
    $this->_subject = null;
    $this->clearheader('subject');
    return $this;
  }
  /**
   * sets date-header
   *
   * @param timestamp|string|zend_date $date
   * @return zend_mail provides fluent interface
   * @throws zend_mail_exception if called subsequent times or wrong date format.
   */
  public function setdate($date = null)
  {
    if ($this->_date === null) {
      if ($date === null) {
        $date = date('r');
      } else if (is_int($date)) {
        $date = date('r', $date);
      } else if (is_string($date)) {
        $date = strtotime($date);
        if ($date === false || $date < 0) {
          /**
           * @see zend_mail_exception
           */
          require_once 'zend/mail/exception.php';
          throw new zend_mail_exception('string representations of date header must be ' .
                         'strtotime()-compatible');
        }
        $date = date('r', $date);
      } else if ($date instanceof zend_date) {
        $date = $date->get(zend_date::rfc_2822);
      } else {
        /**
         * @see zend_mail_exception
         */
        require_once 'zend/mail/exception.php';
        throw new zend_mail_exception(__method__ . ' only accepts unix timestamps, zend_date objects, ' .
                       ' and strtotime()-compatible strings');
      }
      $this->_date = $date;
      $this->_storeheader('date', $date);
    } else {
      /**
       * @see zend_mail_exception
       */
      require_once 'zend/mail/exception.php';
      throw new zend_mail_exception('date header set twice');
    }
    return $this;
  }
  /**
   * returns the formatted date of the message
   *
   * @return string
   */
  public function getdate()
  {
    return $this->_date;
  }
  /**
   * clears the formatted date from the message
   *
   * @return zend_mail provides fluent interface
   */
  public function cleardate()
  {
    $this->_date = null;
    $this->clearheader('date');
    return $this;
  }
  /**
   * sets the message-id of the message
   *
   * @param  boolean|string $id
   * true :auto
   * false :no set
   * null :no set
   * string:sets given string (angle brackets is not necessary)
   * @return zend_mail provides fluent interface
   * @throws zend_mail_exception
   */
  public function setmessageid($id = true)
  {
    if ($id === null || $id === false) {
      return $this;
    } elseif ($id === true) {
      $id = $this->createmessageid();
    }
    if ($this->_messageid === null) {
      $id = $this->_filterother($id);
      $this->_messageid = $id;
      $this->_storeheader('message-id', '<' . $this->_messageid . '>');
    } else {
      /**
       * @see zend_mail_exception
       */
      require_once 'zend/mail/exception.php';
      throw new zend_mail_exception('message-id set twice');
    }
    return $this;
  }
  /**
   * returns the message-id of the message
   *
   * @return string
   */
  public function getmessageid()
  {
    return $this->_messageid;
  }
  /**
   * clears the message-id from the message
   *
   * @return zend_mail provides fluent interface
   */
  public function clearmessageid()
  {
    $this->_messageid = null;
    $this->clearheader('message-id');
    return $this;
  }
  /**
   * creates the message-id
   *
   * @return string
   */
  public function createmessageid() {
    $time = time();
    if ($this->_from !== null) {
      $user = $this->_from;
    } elseif (isset($_server['remote_addr'])) {
      $user = $_server['remote_addr'];
    } else {
      $user = getmypid();
    }
    $rand = mt_rand();
    if ($this->_recipients !== array()) {
      $recipient = array_rand($this->_recipients);
    } else {
      $recipient = 'unknown';
    }
    if (isset($_server["server_name"])) {
      $hostname = $_server["server_name"];
    } else {
      $hostname = php_uname('n');
    }
    return sha1($time . $user . $rand . $recipient) . '@' . $hostname;
  }
  /**
   * add a custom header to the message
   *
   * @param string       $name
   * @param string       $value
   * @param boolean       $append
   * @return zend_mail      provides fluent interface
   * @throws zend_mail_exception on attempts to create standard headers
   */
  public function addheader($name, $value, $append = false)
  {
    $prohibit = array('to', 'cc', 'bcc', 'from', 'subject',
             'reply-to', 'return-path',
             'date', 'message-id',
             );
    if (in_array(strtolower($name), $prohibit)) {
      /**
       * @see zend_mail_exception
       */
      require_once 'zend/mail/exception.php';
      throw new zend_mail_exception('cannot set standard header from addheader()');
    }
    $value = $this->_filterother($value);
    $value = $this->_encodeheader($value);
    $this->_storeheader($name, $value, $append);
    return $this;
  }
  /**
   * return mail headers
   *
   * @return void
   */
  public function getheaders()
  {
    return $this->_headers;
  }
  /**
   * sends this email using the given transport or a previously
   * set defaulttransport or the internal mail function if no
   * default transport had been set.
   *
   * @param zend_mail_transport_abstract $transport
   * @return zend_mail          provides fluent interface
   */
  public function send($transport = null)
  {
    if ($transport === null) {
      if (! self::$_defaulttransport instanceof zend_mail_transport_abstract) {
        require_once 'zend/mail/transport/sendmail.php';
        $transport = new zend_mail_transport_sendmail();
      } else {
        $transport = self::$_defaulttransport;
      }
    }
    if ($this->_date === null) {
      $this->setdate();
    }
    if(null === $this->_from && null !== self::getdefaultfrom()) {
      $this->setfromtodefaultfrom();
    }
    if(null === $this->_replyto && null !== self::getdefaultreplyto()) {
      $this->setreplytofromdefault();
    }
    $transport->send($this);
    return $this;
  }
  /**
   * filter of email data
   *
   * @param string $email
   * @return string
   */
  protected function _filteremail($email)
  {
    $rule = array("\r" => '',
           "\n" => '',
           "\t" => '',
           '"' => '',
           ',' => '',
           '<' => '',
           '>' => '',
    );
    return strtr($email, $rule);
  }
  /**
   * filter of name data
   *
   * @param string $name
   * @return string
   */
  protected function _filtername($name)
  {
    $rule = array("\r" => '',
           "\n" => '',
           "\t" => '',
           '"' => "'",
           '<' => '[',
           '>' => ']',
    );
    return trim(strtr($name, $rule));
  }
  /**
   * filter of other data
   *
   * @param string $data
   * @return string
   */
  protected function _filterother($data)
  {
    $rule = array("\r" => '',
           "\n" => '',
           "\t" => '',
    );
    return strtr($data, $rule);
  }
  /**
   * formats e-mail address
   *
   * @param string $email
   * @param string $name
   * @return string
   */
  protected function _formataddress($email, $name)
  {
    if ($name === '' || $name === null || $name === $email) {
      return $email;
    } else {
      $encodedname = $this->_encodeheader($name);
      if ($encodedname === $name && strcspn($name, '()<>[]:;@\\,') != strlen($name)) {
        $format = '"%s" <%s>';
      } else {
        $format = '%s <%s>';
      }
      return sprintf($format, $encodedname, $email);
    }
  }
}

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