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5h-3LL 1.0
DIR: /srv/http/adent.cz/old.5zsmb.cz/spisovka/email
/srv/http/adent.cz/old.5zsmb.cz/spisovka/email/
Current File : /srv/http/adent.cz/old.5zsmb.cz/spisovka/email/mail.php
<?php

/**
 * Description of mail
 *
 * @author tomik
 */
class email {
    //put your code here


    protected $to;
    protected $from;
    protected $subject;
    protected $xmailer = "OSS Spisova sluzba v2.1";
    protected $charset = 'utf-8';



    protected $attachment = array();
    protected $html = array();
    protected $text = array();

    private $boundary;
    private $line_break="\n";

    public function  __construct($charset=null) {

        $this->boundary = "----". md5(uniqid(time()));
        if (!is_null($charset)) { $this->charset = $charset; }
        
    }

    public function generateMessage() {

        $message = "MIME-Version: 1.0\n";
        $message .= "Content-Type: multipart/mixed; boundary=\"" . $this->boundary. "\"\n";
        $message .= "Content-Transfer-Encoding: quoted-printable\n\n";
        $message .= "This is a multi-part message in MIME format.\n\n";
        //$boddy .= "--$boundary\n";

        foreach ($this->text as $text) {
            $message .= $text;
        }
        foreach ($this->html as $html) {
            $message .= $html;
        }
        foreach ($this->attachment as $attach) {
            $message .= $attach;
        }
        $message .= "--" . $this->boundary . "--\n";

        return $message;

    }

    public function send($to,$subject,$message,$header=array()) {

            if(isset($header['to'])) {
                $header['To'] = $header['to'];
                unset($header['to']);
            } else if (isset($header['To'])) {
                $header['To'] = $header['To'];
            } else {
                $header['To'] = $to;
            }

            if(isset($header['from'])) {
                $header['From'] = $header['from'];
                unset($header['from']);
            } else if (isset($header['From'])) {
                $header['From'] = $header['From'];
            } else {
                $header['From'] = $this->from;
            }

            if(isset($header['x-mailer'])) {
                $header['X-Mailer'] = $header['x-mailer'];
                unset($header['x-mailer']);
            } else if (isset($header['X-Mailer'])) {
                $header['X-Mailer'] = $header['X-Mailer'];
            } else {
                $header['X-Mailer'] = $this->XMailer;
            }

            if(isset($header['subject'])) {
                $header['Subject'] = $header['subject'];
                unset($header['subject']);
            } else if (isset($header['Subject'])) {
                $header['Subject'] = $header['Subject'];
            } else {
                $header['Subject'] = $subject;
            }

            /* Encode text */
            $header['Subject'] = $this->QuotedPrintableEncode($header['Subject'], $this->charset);
            $header['From'] = $this->encodeAddress($header['From'], $this->charset);
            $header['To'] = $this->encodeAddress($header['To'], $this->charset);

        $signed = $this->parseMessage($message, $header);
        if(!is_null($signed)) {
            $mail_header = "";
            foreach ($signed['header'] as $param => $value) {
                if($param=="Subject") continue;
                $mail_header .= "$param: $value \r\n";
            }

            //echo "Komu:    ". $signed['header']['To'] ."<br>";
            //echo "Predmet: ".$signed['header']['Subject'] ."<br>";
            //echo "Header:  "; print_r($mail_header);
            //echo "<br><br>";
            //echo $signed['signed'];
            //return 1;

            if(mail( $signed['header']['To'], $signed['header']['Subject'], $signed['signed'], $mail_header)) {
                return 1;
            } else {
                return 0;
            }
        } else {
            return -1;
        }

    }

    public function mail($to,$subject,$signed) {

        /* Encode text */
        $subject = $this->QuotedPrintableEncode($subject, $this->charset);

        if(!is_null($signed['signed'])) {
            /* Odeslani podepsane */
            if(mail( $to, $subject, $signed['signed'], $signed['header'])) {
                return 1;
            } else {
                return 0;
            }
        } else {
            /* Odeslani nepodepsane */
            if(mail( $to, $subject, $signed['message'], $signed['header'])) {
                return -1;
            } else {
                return 0;
            }

            //return -1;
        }

    }


    private function parseMessage($mess, $header) {

            $signed_part = explode("\n",$mess);
            foreach ($signed_part as $index => $row) {
                if(empty($row)) { break; }
                $row_part = explode(":", $row);
                if(count($row_part)<1) {
                    $header['Content-Type'] = $row;
                } else {
                    $header[$row_part[0]] = $row_part[1];
                }
                unset ($signed_part[$index]);
            }
            $signed = implode("\n", $signed_part);
            return array("header"=>$header,"signed"=>$signed,"message"=>$mess);

    }

    private function utf2ascii($inputStr) {
        $FT_UTF8TOASCIISRC = array("\xc3\x80","\xc3\x81","\xc3\x82","\xc3\x83","\xc3\x84","\xc3\x85","\xc3\x87","\xc3\x88","\xc3\x89","\xc3\x8a","\xc3\x8b","\xc3\x8c","\xc3\x8d","\xc3\x8e","\xc3\x8f","\xc3\x91","\xc3\x92","\xc3\x93","\xc3\x94","\xc3\x95","\xc3\x96","\xc3\x99","\xc3\x9a","\xc3\x9b","\xc3\x9c","\xc3\x9d","\xc3\xa0","\xc3\xa1","\xc3\xa2","\xc3\xa3","\xc3\xa4","\xc3\xa5","\xc3\xa7","\xc3\xa8","\xc3\xa9","\xc3\xaa","\xc3\xab","\xc3\xac","\xc3\xad","\xc3\xae","\xc3\xaf","\xc3\xb1","\xc3\xb2","\xc3\xb3","\xc3\xb4","\xc3\xb5","\xc3\xb6","\xc3\xb9","\xc3\xba","\xc3\xbb","\xc3\xbc","\xc3\xbd","\xc3\xbf","\xc4\x80","\xc4\x81","\xc4\x82","\xc4\x83","\xc4\x84","\xc4\x85","\xc4\x86","\xc4\x87","\xc4\x88","\xc4\x89","\xc4\x8a","\xc4\x8b","\xc4\x8c","\xc4\x8d","\xc4\x8e","\xc4\x8f","\xc4\x92","\xc4\x93","\xc4\x94","\xc4\x95","\xc4\x96","\xc4\x97","\xc4\x98","\xc4\x99","\xc4\x9a","\xc4\x9b","\xc4\x9c","\xc4\x9d","\xc4\x9e","\xc4\x9f","\xc4\xa0","\xc4\xa1","\xc4\xa2","\xc4\xa3","\xc4\xa4","\xc4\xa5","\xc4\xa8","\xc4\xa9","\xc4\xaa","\xc4\xab","\xc4\xac","\xc4\xad","\xc4\xae","\xc4\xaf","\xc4\xb0","\xc4\xb4","\xc4\xb5","\xc4\xb6","\xc4\xb7","\xc4\xb9","\xc4\xba","\xc4\xbb","\xc4\xbc","\xc4\xbd","\xc4\xbe","\xc5\x83","\xc5\x84","\xc5\x85","\xc5\x86","\xc5\x87","\xc5\x88","\xc5\x8c","\xc5\x8d","\xc5\x8e","\xc5\x8f","\xc5\x90","\xc5\x91","\xc5\x94","\xc5\x95","\xc5\x96","\xc5\x97","\xc5\x98","\xc5\x99","\xc5\x9a","\xc5\x9b","\xc5\x9c","\xc5\x9d","\xc5\x9e","\xc5\x9f","\xc5\xa0","\xc5\xa1","\xc5\xa2","\xc5\xa3","\xc5\xa4","\xc5\xa5","\xc5\xa8","\xc5\xa9","\xc5\xaa","\xc5\xab","\xc5\xac","\xc5\xad","\xc5\xae","\xc5\xaf","\xc5\xb0","\xc5\xb1","\xc5\xb2","\xc5\xb3","\xc5\xb4","\xc5\xb5","\xc5\xb6","\xc5\xb7","\xc5\xb8","\xc5\xb9","\xc5\xba","\xc5\xbb","\xc5\xbc","\xc5\xbd","\xc5\xbe","\xc6\xa0","\xc6\xa1","\xc6\xaf","\xc6\xb0","\xc7\x8d","\xc7\x8e","\xc7\x8f","\xc7\x90","\xc7\x91","\xc7\x92","\xc7\x93","\xc7\x94","\xc7\x95","\xc7\x96","\xc7\x97","\xc7\x98","\xc7\x99","\xc7\x9a","\xc7\x9b","\xc7\x9c","\xc7\x9e","\xc7\x9f","\xc7\xa2","\xc7\xa3","\xc7\xa6","\xc7\xa7","\xc7\xa8","\xc7\xa9","\xc7\xaa","\xc7\xab","\xc7\xb0","\xc7\xb4","\xc7\xb5","\xc7\xb8","\xc7\xb9","\xc7\xba","\xc7\xbb","\xc7\xbc","\xc7\xbd","\xc7\xbe","\xc7\xbf","\xc8\x80","\xc8\x81","\xc8\x82","\xc8\x83","\xc8\x84","\xc8\x85","\xc8\x86","\xc8\x87","\xc8\x88","\xc8\x89","\xc8\x8a","\xc8\x8b","\xc8\x8c","\xc8\x8d","\xc8\x8e","\xc8\x8f","\xc8\x90","\xc8\x91","\xc8\x92","\xc8\x93","\xc8\x94","\xc8\x95","\xc8\x96","\xc8\x97","\xc8\x98","\xc8\x99","\xc8\x9a","\xc8\x9b","\xc8\x9e","\xc8\x9f","\xc8\xa6","\xc8\xa7","\xc8\xa8","\xc8\xa9","\xc8\xaa","\xc8\xab","\xc8\xac","\xc8\xad","\xc8\xae","\xc8\xaf","\xc8\xb2","\xc8\xb3","\xcd\xbe","\xce\x85","\xce\x87","\xe1\xb8\x80","\xe1\xb8\x81","\xe1\xb8\x82","\xe1\xb8\x83","\xe1\xb8\x84","\xe1\xb8\x85","\xe1\xb8\x86","\xe1\xb8\x87","\xe1\xb8\x88","\xe1\xb8\x89","\xe1\xb8\x8a","\xe1\xb8\x8b","\xe1\xb8\x8c","\xe1\xb8\x8d","\xe1\xb8\x8e","\xe1\xb8\x8f","\xe1\xb8\x90","\xe1\xb8\x91","\xe1\xb8\x92","\xe1\xb8\x93","\xe1\xb8\x98","\xe1\xb8\x99","\xe1\xb8\x9a","\xe1\xb8\x9b","\xe1\xb8\x9e","\xe1\xb8\x9f","\xe1\xb8\xa0","\xe1\xb8\xa1","\xe1\xb8\xa2","\xe1\xb8\xa3","\xe1\xb8\xa4","\xe1\xb8\xa5","\xe1\xb8\xa6","\xe1\xb8\xa7","\xe1\xb8\xa8","\xe1\xb8\xa9","\xe1\xb8\xaa","\xe1\xb8\xab","\xe1\xb8\xac","\xe1\xb8\xad","\xe1\xb8\xae","\xe1\xb8\xaf","\xe1\xb8\xb0","\xe1\xb8\xb1","\xe1\xb8\xb2","\xe1\xb8\xb3","\xe1\xb8\xb4","\xe1\xb8\xb5","\xe1\xb8\xb6","\xe1\xb8\xb7","\xe1\xb8\xba","\xe1\xb8\xbb","\xe1\xb8\xbc","\xe1\xb8\xbd","\xe1\xb8\xbe","\xe1\xb8\xbf","\xe1\xb9\x80","\xe1\xb9\x81","\xe1\xb9\x82","\xe1\xb9\x83","\xe1\xb9\x84","\xe1\xb9\x85","\xe1\xb9\x86","\xe1\xb9\x87","\xe1\xb9\x88","\xe1\xb9\x89","\xe1\xb9\x8a","\xe1\xb9\x8b","\xe1\xb9\x8c","\xe1\xb9\x8d","\xe1\xb9\x8e","\xe1\xb9\x8f","\xe1\xb9\x94","\xe1\xb9\x95","\xe1\xb9\x96","\xe1\xb9\x97","\xe1\xb9\x98","\xe1\xb9\x99","\xe1\xb9\x9a","\xe1\xb9\x9b","\xe1\xb9\x9e","\xe1\xb9\x9f","\xe1\xb9\xa0","\xe1\xb9\xa1","\xe1\xb9\xa2","\xe1\xb9\xa3","\xe1\xb9\xaa","\xe1\xb9\xab","\xe1\xb9\xac","\xe1\xb9\xad","\xe1\xb9\xae","\xe1\xb9\xaf","\xe1\xb9\xb0","\xe1\xb9\xb1","\xe1\xb9\xb2","\xe1\xb9\xb3","\xe1\xb9\xb4","\xe1\xb9\xb5","\xe1\xb9\xb6","\xe1\xb9\xb7","\xe1\xb9\xbc","\xe1\xb9\xbd","\xe1\xb9\xbe","\xe1\xb9\xbf","\xe1\xba\x80","\xe1\xba\x81","\xe1\xba\x82","\xe1\xba\x83","\xe1\xba\x84","\xe1\xba\x85","\xe1\xba\x86","\xe1\xba\x87","\xe1\xba\x88","\xe1\xba\x89","\xe1\xba\x8a","\xe1\xba\x8b","\xe1\xba\x8c","\xe1\xba\x8d","\xe1\xba\x8e","\xe1\xba\x8f","\xe1\xba\x90","\xe1\xba\x91","\xe1\xba\x92","\xe1\xba\x93","\xe1\xba\x94","\xe1\xba\x95","\xe1\xba\x96","\xe1\xba\x97","\xe1\xba\x98","\xe1\xba\x99","\xe1\xba\xa0","\xe1\xba\xa1","\xe1\xba\xa2","\xe1\xba\xa3","\xe1\xba\xa4","\xe1\xba\xa5","\xe1\xba\xa6","\xe1\xba\xa7","\xe1\xba\xa8","\xe1\xba\xa9","\xe1\xba\xaa","\xe1\xba\xab","\xe1\xba\xb8","\xe1\xba\xb9","\xe1\xba\xba","\xe1\xba\xbb","\xe1\xba\xbc","\xe1\xba\xbd","\xe1\xba\xbe","\xe1\xba\xbf","\xe1\xbb\x80","\xe1\xbb\x8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        $FT_UTF8TOASCIIDST = array("\x41","\x41","\x41","\x41","\x41","\x41","\x43","\x45","\x45","\x45","\x45","\x49","\x49","\x49","\x49","\x4e","\x4f","\x4f","\x4f","\x4f","\x4f","\x55","\x55","\x55","\x55","\x59","\x61","\x61","\x61","\x61","\x61","\x61","\x63","\x65","\x65","\x65","\x65","\x69","\x69","\x69","\x69","\x6e","\x6f","\x6f","\x6f","\x6f","\x6f","\x75","\x75","\x75","\x75","\x79","\x79","\x41","\x61","\x41","\x61","\x41","\x61","\x43","\x63","\x43","\x63","\x43","\x63","\x43","\x63","\x44","\x64","\x45","\x65","\x45","\x65","\x45","\x65","\x45","\x65","\x45","\x65","\x47","\x67","\x47","\x67","\x47","\x67","\x47","\x67","\x48","\x68","\x49","\x69","\x49","\x69","\x49","\x69","\x49","\x69","\x49","\x4a","\x6a","\x4b","\x6b","\x4c","\x6c","\x4c","\x6c","\x4c","\x6c","\x4e","\x6e","\x4e","\x6e","\x4e","\x6e","\x4f","\x6f","\x4f","\x6f","\x4f","\x6f","\x52","\x72","\x52","\x72","\x52","\x72","\x53","\x73","\x53","\x73","\x53","\x73","\x53","\x73","\x54","\x74","\x54","\x74","\x55","\x75","\x55","\x75","\x55","\x75","\x55","\x75","\x55","\x75","\x55","\x75","\x57","\x77","\x59","\x79","\x59","\x5a","\x7a","\x5a","\x7a","\x5a","\x7a","\x4f","\x6f","\x55","\x75","\x41","\x61","\x49","\x69","\x4f","\x6f","\x55","\x75","\xdc","\xfc","\xdc","\xfc","\xdc","\xfc","\xdc","\xfc","\xc4","\xe4","\xc6","\xe6","\x47","\x67","\x4b","\x6b","\x4f","\x6f","\x6a","\x47","\x67","\x4e","\x6e","\xc5","\xe5","\xc6","\xe6","\xd8","\xf8","\x41","\x61","\x41","\x61","\x45","\x65","\x45","\x65","\x49","\x69","\x49","\x69","\x4f","\x6f","\x4f","\x6f","\x52","\x72","\x52","\x72","\x55","\x75","\x55","\x75","\x53","\x73","\x54","\x74","\x48","\x68","\x41","\x61","\x45","\x65","\xd6","\xf6","\xd5","\xf5","\x4f","\x6f","\x59","\x79","\x3b","\xa8","\xb7","\x41","\x61","\x42","\x62","\x42","\x62","\x42","\x62","\xc7","\xe7","\x44","\x64","\x44","\x64","\x44","\x64","\x44","\x64","\x44","\x64","\x45","\x65","\x45","\x65","\x46","\x66","\x47","\x67","\x48","\x68","\x48","\x68","\x48","\x68","\x48","\x68","\x48","\x68","\x49","\x69","\xcf","\xef","\x4b","\x6b","\x4b","\x6b","\x4b","\x6b","\x4c","\x6c","\x4c","\x6c","\x4c","\x6c","\x4d","\x6d","\x4d","\x6d","\x4d","\x6d","\x4e","\x6e","\x4e","\x6e","\x4e","\x6e","\x4e","\x6e","\xd5","\xf5","\xd5","\xf5","\x50","\x70","\x50","\x70","\x52","\x72","\x52","\x72","\x52","\x72","\x53","\x73","\x53","\x73","\x54","\x74","\x54","\x74","\x54","\x74","\x54","\x74","\x55","\x75","\x55","\x75","\x55","\x75","\x56","\x76","\x56","\x76","\x57","\x77","\x57","\x77","\x57","\x77","\x57","\x77","\x57","\x77","\x58","\x78","\x58","\x78","\x59","\x79","\x5a","\x7a","\x5a","\x7a","\x5a","\x7a","\x68","\x74","\x77","\x79","\x41","\x61","\x41","\x61","\xc2","\xe2","\xc2","\xe2","\xc2","\xe2","\xc2","\xe2","\x45","\x65","\x45","\x65","\x45","\x65","\xca","\xea","\xca","\xea","\xca","\xea","\xca","\xea","\x49","\x69","\x49","\x69","\x4f","\x6f","\x4f","\x6f","\xd4","\xf4","\xd4","\xf4","\xd4","\xf4","\xd4","\xf4","\x55","\x75","\x55","\x75","\x59","\x79","\x59","\x79","\x59","\x79","\x59","\x79","\xa8","\xa8","\x60","\xb4","\x4b","\xc5","\x3d","\x3c","\x3e");
        return str_replace($FT_UTF8TOASCIISRC, $FT_UTF8TOASCIIDST, $inputStr);
    }

    public function addText($plainText,$text_charset=null) {

        if(!is_null($text_charset)) {
            if ( $text_charset != $this->charset ) {
                $plainTexto = $plainText;
                $plainText = @iconv($text_charset, $this->charset, $plainText);
                if(empty($plainText)) $plainText=$plainTexto;
            }
        }

        $msgPlainText  = "--" . $this->boundary . "\n" ;
        $msgPlainText .= "Content-Type: text/plain; charset=\"". $this->charset ."\"\n" ;
        $msgPlainText .= "Content-Transfer-Encoding: quoted-printable\n\n" ;
        $msgPlainText .= $plainText . "\n\n" ;

        $this->text[] = $msgPlainText;
        return true;

    }

    public function addHTML($htmlText,$text_charset=null) {

        if(!is_null($text_charset)) {
            if ( $text_charset != $this->charset ) {
                $htmlTexto =$htmlText;
                $htmlText = @iconv($text_charset, $this->charset, $htmlText);
                if(empty($htmlText)) $htmlText=$htmlTexto;
            }
        }

        $msgHtml  = "--" . $this->boundary . "\n";
        $msgHtml .= "Content-Type: text/html; charset=\"". $this->charset ."\"\n";
        $msgHtml .= "Content-Transfer-Encoding: quoted-printable\n\n";
        $msgHtml .= $html ."\n\n";

        $this->html[] = $msgHtml;
        return true;

    }

    public function addAttachment($file) {

        if( file_exists($file) ) {

            $fp = fopen($file,'rb');
            $data = fread($fp,filesize($file));
            fclose($fp);

            $data = chunk_split(base64_encode($data));
            if(function_exists("mime_content_type")) {
                $filetype = mime_content_type($file);    
            } else {
                $filetype = $this->mime_type($file);
            }

            $filename = basename($file);

            $attach  = "--" . $this->boundary ."\n" ;
            $attach .= "Content-Type: " . $filetype . "; name=\"" . $filename . "\"\n" ;
            $attach .= "Content-Transfer-Encoding: base64 \n" ;
            $attach .= "Content-Disposition: attachment; filename=\"" .$filename. "\"\n\n" ;
            $attach .= $data   . "\n\n" ;

            $this->attachment[] = $attach;
            return true;

        } else {
            return false;
        }

    }

	private function QuotedPrintableEncode($text, $header_charset='', $break_lines=1, $email_header = 0)
	{
		$ln=strlen($text);
		$h=(strlen($header_charset)>0);
		if($h)
		{
			$encode = array('='=>1,	'?'=>1,	'_'=>1,	'('=>1,	')'=>1,
                            '<'=>1,	'>'=>1,	'@'=>1,	','=>1,	';'=>1,
                            '"'=>1,	'\\'=>1,'['=>1,	']'=>1,	':'=>1,
/*
				'/'=>1,
				'.'=>1,
*/
			);
			$s=($email_header ? $encode : array());
			$b=$space=$break_lines=0;
			for($i=0; $i<$ln; ++$i)
			{
				$c = $text[$i];
				if(IsSet($s[$c]))
				{
					$b=1;
					break;
				}
				switch($o=Ord($c))
				{
					case 9:
					case 32:
						$space=$i+1;
						$b=1;
						break 2;
					case 10:
					case 13:
						break 2;
					default:
						if($o<32
						|| $o>127)
						{
							$b=1;
							$s = $encode;
							break 2;
						}
				}
			}
			if($i==$ln)
				return($text);
			if($space>0)
				return(substr($text,0,$space).($space<$ln ? $this->QuotedPrintableEncode(substr($text,$space), $header_charset, $break_lines, $email_header) : ""));
		}
		for($w=$e='',$n=0, $l=0,$i=0;$i<$ln; ++$i)
		{
			$c = $text[$i];
			$o=Ord($c);
			$en=0;
			switch($o)
			{
				case 9:
				case 32:
					if(!$h)
					{
						$w=$c;
						$c='';
					}
					else
					{
						if($b)
						{
							if($o==32)
								$c='_';
							else
								$en=1;
						}
					}
					break;
				case 10:
				case 13:
					if(strlen($w))
					{
						if($break_lines
						&& $l+3>75)
						{
							$e.='='.$this->line_break;
							$l=0;
						}
						$e.=sprintf('=%02X',Ord($w));
						$l+=3;
						$w='';
					}
					$e.=$c;
					if($h)
						$e.="\t";
					$l=0;
					continue 2;
				case 46:
				case 70:
				case 102:
					$en=(!$h && ($l==0 || $l+1>75));
					break;
				default:
					if($o>127
					|| $o<32
					|| !strcmp($c,'='))
						$en=1;
					elseif($h
					&& IsSet($s[$c]))
						$en=1;
					break;
			}
			if(strlen($w))
			{
				if($break_lines
				&& $l+1>75)
				{
					$e.='='.$this->line_break;
					$l=0;
				}
				$e.=$w;
				++$l;
				$w='';
			}
			if(strlen($c))
			{
				if($en)
				{
					$c=sprintf('=%02X',$o);
					$el=3;
					$n=1;
					$b=1;
				}
				else
					$el=1;
				if($break_lines
				&& $l+$el>75)
				{
					$e.='='.$this->line_break;
					$l=0;
				}
				$e.=$c;
				$l+=$el;
			}
		}
		if(strlen($w))
		{
			if($break_lines
			&& $l+3>75)
				$e.='='.$this->line_break;
			$e.=sprintf('=%02X',Ord($w));
		}
		if($h
		&& $n)
			return('=?'.$header_charset.'?q?'.$e.'?=');
		else
			return($e);
	}

    public function encodeAddress($email_address,$charset=null) {

        if(is_null($charset)) $charset = $this->charset;

        $part = explode(",", $email_address);
        if( count($part)>1) {
            for ($i=0;$i < count($part);$i++) {
                $adr_part = explode("<",$part[$i]);
                if(count($adr_part)>1) {
                    $adr_part[0] = $this->QuotedPrintableEncode($adr_part[0],$charset);
                }
                $part[$i] = implode(" <", $adr_part);
            }
            $email_address = implode(", ", $part);
            return $email_address;
        } else {
            $adr_part = explode("<",$email_address);
            if(count($adr_part)>1) {
                $adr_part[0] = $this->QuotedPrintableEncode($adr_part[0],$charset);
            }
            $email_address = implode(" <", $adr_part);
            return $email_address;
        }
    }

    function is_rfc822_valid_email_address($email){
        $qtext = '[^\\x0d\\x22\\x5c\\x80-\\xff]';
        $dtext = '[^\\x0d\\x5b-\\x5d\\x80-\\xff]';
        $atom = '[^\\x00-\\x20\\x22\\x28\\x29\\x2c\\x2e\\x3a-\\x3c'.
            '\\x3e\\x40\\x5b-\\x5d\\x7f-\\xff]+';
        $quoted_pair = '\\x5c[\\x00-\\x7f]';
        $domain_literal = "\\x5b($dtext|$quoted_pair)*\\x5d";
        $quoted_string = "\\x22($qtext|$quoted_pair)*\\x22";
        $domain_ref = $atom;
        $sub_domain = "($domain_ref|$domain_literal)";
        $word = "($atom|$quoted_string)";
        $domain = "$sub_domain(\\x2e$sub_domain)*";
        $local_part = "$word(\\x2e$word)*";
        $addr_spec = "$local_part\\x40$domain";
        return preg_match("!^$addr_spec$!", $email, $mathes) ? 1 : 0;
    }

    private function mime_type($filename) {

        $mime_types = array(

            'txt' => 'text/plain',
            'htm' => 'text/html',
            'html' => 'text/html',
            'php' => 'text/html',
            'css' => 'text/css',
            'js' => 'application/javascript',
            'json' => 'application/json',
            'xml' => 'application/xml',
            'swf' => 'application/x-shockwave-flash',
            'flv' => 'video/x-flv',

            // images
            'png' => 'image/png',
            'jpe' => 'image/jpeg',
            'jpeg' => 'image/jpeg',
            'jpg' => 'image/jpeg',
            'gif' => 'image/gif',
            'bmp' => 'image/bmp',
            'ico' => 'image/vnd.microsoft.icon',
            'tiff' => 'image/tiff',
            'tif' => 'image/tiff',
            'svg' => 'image/svg+xml',
            'svgz' => 'image/svg+xml',

            // archives
            'zip' => 'application/zip',
            'rar' => 'application/x-rar-compressed',
            'exe' => 'application/x-msdownload',
            'msi' => 'application/x-msdownload',
            'cab' => 'application/vnd.ms-cab-compressed',

            // audio/video
            'mp3' => 'audio/mpeg',
            'qt' => 'video/quicktime',
            'mov' => 'video/quicktime',

            // adobe
            'pdf' => 'application/pdf',
            'psd' => 'image/vnd.adobe.photoshop',
            'ai' => 'application/postscript',
            'eps' => 'application/postscript',
            'ps' => 'application/postscript',

            // ms office
            'doc' => 'application/msword',
            'rtf' => 'application/rtf',
            'xls' => 'application/vnd.ms-excel',
            'ppt' => 'application/vnd.ms-powerpoint',

            // open office
            'odt' => 'application/vnd.oasis.opendocument.text',
            'ods' => 'application/vnd.oasis.opendocument.spreadsheet',
        );

        $ext = strtolower(array_pop(explode('.',$filename)));
        if (array_key_exists($ext, $mime_types)) {
            return $mime_types[$ext];
        }
        elseif (function_exists('finfo_open')) {
            $finfo = finfo_open(FILEINFO_MIME);
            $mimetype = finfo_file($finfo, $filename);
            finfo_close($finfo);
            return $mimetype;
        }
        else {
            return 'application/octet-stream';
        }
    }



}
?>