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   1  <?php
   2  //
   3  // +----------------------------------------------------------------------+
   4  // | PHP Version 4                                                        |
   5  // +----------------------------------------------------------------------+
   6  // | Copyright (c) 1997-2003 The PHP Group                                |
   7  // +----------------------------------------------------------------------+
   8  // | This source file is subject to version 2.02 of the PHP license,      |
   9  // | that is bundled with this package in the file LICENSE, and is        |
  10  // | available at through the world-wide-web at                           |
  11  // | http://www.php.net/license/2_02.txt.                                 |
  12  // | If you did not receive a copy of the PHP license and are unable to   |
  13  // | obtain it through the world-wide-web, please send a note to          |
  14  // | license@php.net so we can mail you a copy immediately.               |
  15  // +----------------------------------------------------------------------+
  16  // | Author: Chuck Hagenbuch <chuck@horde.org>                            |
  17  // +----------------------------------------------------------------------+
  18  //
  19  // $Id: mail.php,v 1.18 2006/09/13 05:32:08 jon Exp $
  20  
  21  /**
  22   * internal PHP-mail() implementation of the PEAR Mail:: interface.
  23   * @package Mail
  24   * @version $Revision: 1.18 $
  25   */
  26  class Mail_mail extends Mail {
  27  
  28      /**
  29       * Any arguments to pass to the mail() function.
  30       * @var string
  31       */
  32      var $_params = '';
  33  
  34      /**
  35       * Constructor.
  36       *
  37       * Instantiates a new Mail_mail:: object based on the parameters
  38       * passed in.
  39       *
  40       * @param array $params Extra arguments for the mail() function.
  41       */
  42      function Mail_mail($params = null)
  43      {
  44          /* The other mail implementations accept parameters as arrays.
  45           * In the interest of being consistent, explode an array into
  46           * a string of parameter arguments. */
  47          if (is_array($params)) {
  48              $this->_params = join(' ', $params);
  49          } else {
  50              $this->_params = $params;
  51          }
  52  
  53          /* Because the mail() function may pass headers as command
  54           * line arguments, we can't guarantee the use of the standard
  55           * "\r\n" separator.  Instead, we use the system's native line
  56           * separator. */
  57          if (defined('PHP_EOL')) {
  58              $this->sep = PHP_EOL;
  59          } else {
  60              $this->sep = (strpos(PHP_OS, 'WIN') === false) ? "\n" : "\r\n";
  61          }
  62      }
  63  
  64      /**
  65       * Implements Mail_mail::send() function using php's built-in mail()
  66       * command.
  67       *
  68       * @param mixed $recipients Either a comma-seperated list of recipients
  69       *              (RFC822 compliant), or an array of recipients,
  70       *              each RFC822 valid. This may contain recipients not
  71       *              specified in the headers, for Bcc:, resending
  72       *              messages, etc.
  73       *
  74       * @param array $headers The array of headers to send with the mail, in an
  75       *              associative array, where the array key is the
  76       *              header name (ie, 'Subject'), and the array value
  77       *              is the header value (ie, 'test'). The header
  78       *              produced from those values would be 'Subject:
  79       *              test'.
  80       *
  81       * @param string $body The full text of the message body, including any
  82       *               Mime parts, etc.
  83       *
  84       * @return mixed Returns true on success, or a PEAR_Error
  85       *               containing a descriptive error message on
  86       *               failure.
  87       *
  88       * @access public
  89       */
  90      function send($recipients, $headers, $body)
  91      {
  92          $this->_sanitizeHeaders($headers);
  93  
  94          // If we're passed an array of recipients, implode it.
  95          if (is_array($recipients)) {
  96              $recipients = implode(', ', $recipients);
  97          }
  98  
  99          // Get the Subject out of the headers array so that we can
 100          // pass it as a seperate argument to mail().
 101          $subject = '';
 102          if (isset($headers['Subject'])) {
 103              $subject = $headers['Subject'];
 104              unset($headers['Subject']);
 105          }
 106  
 107          /*
 108           * Also remove the To: header.  The mail() function will add its own
 109           * To: header based on the contents of $recipients.
 110           */
 111          unset($headers['To']);
 112  
 113          // Flatten the headers out.
 114          $headerElements = $this->prepareHeaders($headers);
 115          if (PEAR::isError($headerElements)) {
 116              return $headerElements;
 117          }
 118          list(, $text_headers) = $headerElements;
 119  
 120          /*
 121           * We only use mail()'s optional fifth parameter if the additional
 122           * parameters have been provided and we're not running in safe mode.
 123           */
 124          if (empty($this->_params) || ini_get('safe_mode')) {
 125              $result = mail($recipients, $subject, $body, $text_headers);
 126          } else {
 127              $result = mail($recipients, $subject, $body, $text_headers,
 128                             $this->_params);
 129          }
 130  
 131          /*
 132           * If the mail() function returned failure, we need to create a
 133           * PEAR_Error object and return it instead of the boolean result.
 134           */
 135          if ($result === false) {
 136              $result = PEAR::raiseError('mail() returned failure');
 137          }
 138  
 139          return $result;
 140      }
 141  
 142  }