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PHP mail Function With Attachments

This code sends an html formatted email with attachments. This email sending script actually sends both a plaintext and an html body of the email, allowing the email client to choose which to display. The plaintext email is generated by stripping html tags from the html formatted body, and replacing
with newline characters.

One of the nice things about this script is that the attachments are stored in an array. If you want to add another attachment, all you have to do is copy and past an existing line in the attachment array, and change the filename.
For each attachment, it automatically looks up the corresponding mimetype.
$file1='test.pdf';

$file2='test2.tar.gz';

$head = array(

       'to'      =>array('email@email.net'=>'Admin',

                         'email2@email.net'=>'Admin2'),

       'from'    =>array('cron@55.66.77.88' =>'CronAgent'),

       'cc'      =>array('email3@email.net'=>'Admin'),

       'bcc'     =>array('email4@email.net'=>'Admin'),

       );

$subject = date("Ymd")." Weekly Report";

$body ='';

$body.="<div style='font-family:Arial;font-size:10pt;'>";

$body.=    "<br>"."Admin,";

$body.=    "<br>"."";

$body.=    "<br>"."Attached are the files:";

$body.=    "<br>"."* ".$file1;

$body.=    "<br>"."* ".$file2;

$body.=    "<br>"."";

$body.=    "<br>"."-Cronagent";

$body.="</div>";

$files = array($file1,$file2);

mail::send($head,$subj,$body);//$files are optional param

mail::send($head,$subj,$body, $files);

//------------------------------------------------------------------------------

<?php

class mail

{

  static $mimetypes=array();

  /* @param $head required, assoc array: keys 'to','from','cc','bcc'

        $head = array(

            'to'      =>array('email@email.net'=>'Admin'), //arraysize: min 1, max any

            'from'    =>array('cron@55.66.77.88' =>'CronAgent'),//arraysize: min 1, max 1

            'cc'      =>array('email3@email.net'=>'Admin'),//arraysize:min 0, max any

            'bcc'     =>array('email4@email.net'=>'Admin'),//arraysize:min 0, max any

        );

        required: 'to','from'      optional: 'cc','bcc'

        multiple addresses allowed for 'to','cc','bcc'    not 'from'

   * @param $subject required, 

   * @param $body required, body of email HTML only... use <br%gt; for newline

   * @param $attachments optional, array of filenames

   * 

   * @return bool true|false depending on message send success

   */

  public static function send($head, $subject, $body, $attachments=array())

  {

    if (count($head['from'])!=1) return false;

    if (count($head['to'  ])==0) return false;

    $to='';

    foreach($head['to'] as $cc_addr=>$cc_name)

        $to.= $cc_name . "<" . $cc_addr . ">";

    $fromaddress = array_pop( array_keys  ($head['from']) );

    $fromname    = array_pop( array_values($head['from']) );

    $eol="\r\n";

    $mime_boundary=md5(time())."-2";

    $mime_boundary2= $mime_boundary."-3";

    # Common Headers

    $headers='';

    $headers .= "Message-ID: <".time()."-".$fromaddress.">".$eol;

    $headers .= "Date: ".date('r').$eol;

    $headers .= "From: ".$fromname."<".$fromaddress.">".$eol;

    if (isset($head['cc']))

        foreach($head['cc'] as $cc_address=>$cc_name)

            $headers .= "Cc: ".$cc_name."<".$cc_address.">".$eol;

    if (isset($head['bcc']))

        foreach($head['bcc'] as $cc_address=>$cc_name)

            $headers .= "Bcc: ".$cc_name."<".$cc_address.">".$eol;

    $headers .= "Reply-To: ".$fromname."<".$fromaddress.">".$eol;

    $headers .= "Return-Path: ".$fromname."<".$fromaddress.">".$eol;    // these two to set reply address

    //$headers .= "Message-ID: <".time()."-".$fromaddress.">".$eol;

    $headers .= "X-Mailer: PHP v".phpversion().$eol;          // These two to help avoid spam-filters

    # Boundry for marking the split & Multitype Headers

    $headers .= 'Mime-Version: 1.0'.$eol;

    $headers .= "Content-Type: multipart/mixed; boundary=\"".$mime_boundary."\"".$eol.$eol;

    #$headers .= "To: ".$to.$eol;

    #$headers .= "Subject: ".$subject.$eol.$eol;

    $headers .= "This is a MIME-formatted message.  If you see this text it means that your".$eol;

    $headers .= "E-mail software does not support MIME-formatted messages.".$eol.$eol;

    # Open the first part of the mail

    $msg ='';

    $msg .= "--".$mime_boundary.$eol;

    $msg .= "Content-Type: multipart/alternative; boundary=\"$mime_boundary2\"".$eol.$eol;

    $msg .= "This is a MIME-formatted message.  IF you see this text it means that your".$eol;

    $msg .= "E-mail softare does not support MIME-formatted messages.".$eol.$eol;

    $msg .= "--".$mime_boundary2.$eol; 

    $msg .= "Content-Type: text/plain; charset=iso-8859-1; format=flowed".$eol;

    $msg .= "Content-Transfer-Encoding: 7bit".$eol;

    $msg .= "Content-Disposition: inline".$eol.$eol;

    $msg .= strip_tags(str_replace("<br>", "\n", $body ));

    $msg .= $eol.$eol;

    $msg .= "--".$mime_boundary2.$eol; 

    $msg .= "Content-Type: text/html; charset=iso-8859-1;".$eol;

    $msg .= "Content-Transfer-Encoding: quoted-printable".$eol;

    $msg .= "Content-Disposition: inline".$eol.$eol;

    $msg .= "<!DOCTYPE html PUBLIC \"-//W3C//DTD HTML 4.01 Transitional//EN\">".$eol;

    $msg .= "<html>".$eol;

    $msg .= "<body>".$eol;

    $msg .= mail::mime_html_encode($body).$eol;

    $msg .= "</body>".$eol;

    $msg .= "</html>".$eol;

    $msg .= $eol.$eol;

    $msg .= "--".$mime_boundary2."--".$eol.$eol; 

    for($i=0; $i < count($attachments); $i++)

    {

        if (is_file($attachments[$i]))

        {  

          # File for Attachment

          $file_name = basename($attachments[$i]);

          $handle=fopen($attachments[$i], 'rb');

          $f_contents=fread($handle, filesize($attachments[$i]));

          $f_contents=chunk_split(base64_encode($f_contents));    //Encode The Data For Transition using base64_encode();

          $f_type=filetype($attachments[$i]);

          fclose($handle);

          $mime_type = mail::get_mimetype( array_pop( explode(".", $attachments[$i] ) ) );

          # Attachment

          $msg .= "--".$mime_boundary.$eol;

          $msg .= "Content-Type: ".$mime_type."; name=\"".$file_name."\"".$eol;

          $msg .= "Content-Transfer-Encoding: base64".$eol;

          $msg .= "Content-Description: inline; $eol filename=\"".$file_name."\"".$eol.$eol; // !! This line needs TWO end of lines !! IMPORTANT !!

          $msg .= $f_contents.$eol.$eol;

        }

    }

    # Finished

    $msg .= "--".$mime_boundary."--".$eol.$eol;  // finish with two eol's for better security. see Injection.

    # SEND THE EMAIL

    ini_set('sendmail_from',$fromaddress);  // the INI lines are to force the From Address to be used !

    $mail_sent = mail($to, $subject, $msg, $headers);

    ini_restore('sendmail_from');

    return $mail_sent;

  }

  public static function get_mimetype($ext)

  {

    if (count(mail::$mimetypes)==0)

        mail::$mimetypes = mail::mimelist();

    $ext_lower = strtolower(str_replace(".","",$ext));

    if (isset( mail::$mimetypes[$ext_lower] ))

        return mail::$mimetypes[$ext_lower];

    return "application/octet-stream";

  }

  private static function mimelist()

  {

    $arr['323'  ]='text/h323';

    $arr['acx'  ]='application/internet-property-stream';

    $arr['ai'   ]='application/postscript';

    $arr['aif'  ]='audio/x-aiff';

    $arr['aifc' ]='audio/x-aiff';

    $arr['aiff' ]='audio/x-aiff';

    $arr['asf'  ]='video/x-ms-asf';

    $arr['asr'  ]='video/x-ms-asf';

    $arr['asx'  ]='video/x-ms-asf';

    $arr['au'   ]='audio/basic';

    $arr['avi'  ]='video/x-msvideo';

    $arr['axs'  ]='application/olescript';

    $arr['bas'  ]='text/plain';

    $arr['bcpio']='application/x-bcpio';

    $arr['bin'  ]='application/octet-stream';

    $arr['bmp'  ]='image/bmp';

    $arr['c'    ]='text/plain';

    $arr['cat'  ]='application/vnd.ms-pkiseccat';

    $arr['cdf'  ]='application/x-cdf';

    $arr['cer'  ]='application/x-x509-ca-cert';

    $arr['class']='application/octet-stream';

    $arr['clp'  ]='application/x-msclip';

    $arr['cmx'  ]='image/x-cmx';

    $arr['cod'  ]='image/cis-cod';

    $arr['cpio' ]='application/x-cpio';

    $arr['crd'  ]='application/x-mscardfile';

    $arr['crl'  ]='application/pkix-crl';

    $arr['crt'  ]='application/x-x509-ca-cert';

    $arr['csh'  ]='application/x-csh';

    $arr['css'  ]='text/css';

    $arr['dcr'  ]='application/x-director';

    $arr['der'  ]='application/x-x509-ca-cert';

    $arr['dir'  ]='application/x-director';

    $arr['dll'  ]='application/x-msdownload';

    $arr['dms'  ]='application/octet-stream';

    $arr['doc'  ]='application/msword';

    $arr['docx' ]='application/msword';

    $arr['dot'  ]='application/msword';

    $arr['dvi'  ]='application/x-dvi';

    $arr['dxr'  ]='application/x-director';

    $arr['eps'  ]='application/postscript';

    $arr['etx'  ]='text/x-setext';

    $arr['evy'  ]='application/envoy';

    $arr['exe'  ]='application/octet-stream';

    $arr['fif'  ]='application/fractals';

    $arr['flr'  ]='x-world/x-vrml';

    $arr['gif'  ]='image/gif';

    $arr['gtar' ]='application/x-gtar';

    $arr['gz'   ]='application/x-gzip';

    $arr['h'    ]='text/plain';

    $arr['hdf'  ]='application/x-hdf';

    $arr['hlp'  ]='application/winhlp';

    $arr['hqx'  ]='application/mac-binhex40';

    $arr['hta'  ]='application/hta';

    $arr['htc'  ]='text/x-component';

    $arr['htm'  ]='text/html';

    $arr['html' ]='text/html';

    $arr['htt'  ]='text/webviewhtml';

    $arr['ico'  ]='image/x-icon';

    $arr['ief'  ]='image/ief';

    $arr['iii'  ]='application/x-iphone';

    $arr['ins'  ]='application/x-internet-signup';

    $arr['isp'  ]='application/x-internet-signup';

    $arr['jfif' ]='image/pipeg';

    $arr['jpe'  ]='image/jpeg';

    $arr['jpeg' ]='image/jpeg';

    $arr['jpg'  ]='image/jpeg';

    $arr['js'   ]='application/x-javascript';

    $arr['latex']='application/x-latex';

    $arr['lha'  ]='application/octet-stream';

    $arr['lsf'  ]='video/x-la-asf';

    $arr['lsx'  ]='video/x-la-asf';

    $arr['lzh'  ]='application/octet-stream';

    $arr['m13'  ]='application/x-msmediaview';

    $arr['m14'  ]='application/x-msmediaview';

    $arr['m3u'  ]='audio/x-mpegurl';

    $arr['man'  ]='application/x-troff-man';

    $arr['mdb'  ]='application/x-msaccess';

    $arr['me'   ]='application/x-troff-me';

    $arr['mht'  ]='message/rfc822';

    $arr['mhtml']='message/rfc822';

    $arr['mid'  ]='audio/mid';

    $arr['mny'  ]='application/x-msmoney';

    $arr['mov'  ]='video/quicktime';

    $arr['movie']='video/x-sgi-movie';

    $arr['mp2'  ]='video/mpeg';

    $arr['mp3'  ]='audio/mpeg';

    $arr['mpa'  ]='video/mpeg';

    $arr['mpe'  ]='video/mpeg';

    $arr['mpeg' ]='video/mpeg';

    $arr['mpg'  ]='video/mpeg';

    $arr['mpp'  ]='application/vnd.ms-project';

    $arr['mpv2' ]='video/mpeg';

    $arr['ms'   ]='application/x-troff-ms';

    $arr['mvb'  ]='application/x-msmediaview';

    $arr['nws'  ]='message/rfc822';

    $arr['oda'  ]='application/oda';

    $arr['p10'  ]='application/pkcs10';

    $arr['p12'  ]='application/x-pkcs12';

    $arr['p7b'  ]='application/x-pkcs7-certificates';

    $arr['p7c'  ]='application/x-pkcs7-mime';

    $arr['p7m'  ]='application/x-pkcs7-mime';

    $arr['p7r'  ]='application/x-pkcs7-certreqresp';

    $arr['p7s'  ]='application/x-pkcs7-signature';

    $arr['pbm'  ]='image/x-portable-bitmap';

    $arr['pdf'  ]='application/pdf';

    $arr['pfx'  ]='application/x-pkcs12';

    $arr['pgm'  ]='image/x-portable-graymap';

    $arr['pko'  ]='application/ynd.ms-pkipko';

    $arr['pma'  ]='application/x-perfmon';

    $arr['pmc'  ]='application/x-perfmon';

    $arr['pml'  ]='application/x-perfmon';

    $arr['pmr'  ]='application/x-perfmon';

    $arr['pmw'  ]='application/x-perfmon';

    $arr['pnm'  ]='image/x-portable-anymap';

    $arr['pot'  ]='application/vnd.ms-powerpoint';

    $arr['ppm'  ]='image/x-portable-pixmap';

    $arr['pps'  ]='application/vnd.ms-powerpoint';

    $arr['ppt'  ]='application/vnd.ms-powerpoint';

    $arr['pptx' ]='application/vnd.ms-powerpoint';

    $arr['prf'  ]='application/pics-rules';

    $arr['ps'   ]='application/postscript';

    $arr['pub'  ]='application/x-mspublisher';

    $arr['qt'   ]='video/quicktime';

    $arr['ra'   ]='audio/x-pn-realaudio';

    $arr['ram'  ]='audio/x-pn-realaudio';

    $arr['ras'  ]='image/x-cmu-raster';

    $arr['rgb'  ]='image/x-rgb';

    $arr['rmi'  ]='audio/mid';

    $arr['roff' ]='application/x-troff';

    $arr['rtf'  ]='application/rtf';

    $arr['rtx'  ]='text/richtext';

    $arr['scd'  ]='application/x-msschedule';

    $arr['sct'  ]='text/scriptlet';

    $arr['sh'   ]='application/x-sh';

    $arr['shar' ]='application/x-shar';

    $arr['sit'  ]='application/x-stuffit';

    $arr['snd'  ]='audio/basic';

    $arr['spc'  ]='application/x-pkcs7-certificates';

    $arr['spl'  ]='application/futuresplash';

    $arr['src'  ]='application/x-wais-source';

    $arr['sst'  ]='application/vnd.ms-pkicertstore';

    $arr['stl'  ]='application/vnd.ms-pkistl';

    $arr['stm'  ]='text/html';

    $arr['svg'  ]='image/svg+xml';

    $arr['swf'  ]='application/x-shockwave-flash';

    $arr['t'    ]='application/x-troff';

    $arr['tar'  ]='application/x-tar';

    $arr['tcl'  ]='application/x-tcl';

    $arr['tex'  ]='application/x-tex';

    $arr['texi' ]='application/x-texinfo';

    $arr['tgz'  ]='application/x-compressed';

    $arr['tif'  ]='image/tiff';

    $arr['tiff' ]='image/tiff';

    $arr['tr'   ]='application/x-troff';

    $arr['trm'  ]='application/x-msterminal';

    $arr['tsv'  ]='text/tab-separated-values';

    $arr['txt'  ]='text/plain';

    $arr['uls'  ]='text/iuls';

    $arr['ustar']='application/x-ustar';

    $arr['vcf'  ]='text/x-vcard';

    $arr['vrml' ]='x-world/x-vrml';

    $arr['wav'  ]='audio/x-wav';

    $arr['wcm'  ]='application/vnd.ms-works';

    $arr['wdb'  ]='application/vnd.ms-works';

    $arr['wks'  ]='application/vnd.ms-works';

    $arr['wmf'  ]='application/x-msmetafile';

    $arr['wps'  ]='application/vnd.ms-works';

    $arr['wri'  ]='application/x-mswrite';

    $arr['wrl'  ]='x-world/x-vrml';

    $arr['wrz'  ]='x-world/x-vrml';

    $arr['xaf'  ]='x-world/x-vrml';

    $arr['xbm'  ]='image/x-xbitmap';

    $arr['xla'  ]='application/vnd.ms-excel';

    $arr['xlc'  ]='application/vnd.ms-excel';

    $arr['xlm'  ]='application/vnd.ms-excel';

    $arr['xls'  ]='application/vnd.ms-excel';

    $arr['xlsx' ]='application/vnd.ms-excel';

    $arr['xlt'  ]='application/vnd.ms-excel';

    $arr['xlw'  ]='application/vnd.ms-excel';

    $arr['xof'  ]='x-world/x-vrml';

    $arr['xpm'  ]='image/x-xpixmap';

    $arr['xwd'  ]='image/x-xwindowdump';

    $arr['z'    ]='application/x-compress';

    $arr['zip'  ]='application/zip';

    return $arr;

  }

  private function mime_html_encode($input , $line_max = 76)

  {

    $eol    = "\r\n";//MAIL_MIMEPART_CRLF

    $output = '';

    $line   = '';

    $intag  = false;

    for($i=0; $i<strlen($input); $i++)

    {

      $ip=$input{$i};

      $op='';

      if ($intag)

      {

          if ($ip=="=") $op="=3D";

          else $op= $ip;

      }

      else

      {

          if ($ip=="\"") $op='"';//'

          else if ($ip=="&") $op="&";

          else if ($ip=="'") $op="'";

          else $op= $ip;

      }

      if ((strlen($line)+strlen($op))>=$line_max)

      {

          $output.=$line.'='.$eol;

          //if ($intag) $output.=$line.'='.$eol;

          //else  $output.=$line.$eol;

          $line='';

      }

      $line.=$op;

      if($ip=='<')

          $intag=true;

      else if ($ip=='>')

          $intag=false;

    }

    return $output.$line.$eol;

  }

}

?>