PHP processes mht files

: This article mainly introduces how to process mht files in PHP. if you are interested in PHP tutorials, refer to it.

 read_filedata ();$this->file_parts ();return 1;}    function set_file($p) {        $this->file = $p;}    function get_log() {        return $this->log;}    function file_parts() {        $lines = explode ( "\n", substr ( $this->filedata, 0, 8192 ) );foreach ( $lines as $line ) {            $line = trim ( $line );if (strpos ( $line, '=' ) !== FALSE) {                if (strpos ( $line, 'boundary', 0 ) !== FALSE) {                    $range = $this->getrange ( $line, '"', '"', 0 );$this->boundary = "--" . $range ['range'];$this->filedata = str_replace ( $line, '', $this->filedata );break;}            }        }        if ($this->boundary != '') {            $this->filedata = explode ( $this->boundary, $this->filedata );unset ( $this->filedata [0] );$this->filedata = array_values ( $this->filedata );$this->countparts = count ( $this->filedata );} else {            $tmp = $this->filedata;$this->filedata = array (                $tmp);}    }    function get_all_part_file() {        return $this->filedata;}    function get_part_to_file($i) {        $line_data_start = 0;$encoding = '';$part_lines = explode ( "\n", ltrim ( $this->filedata [$i] ) );foreach ( $part_lines as $line_id => $line ) {            $line = trim ( $line );if ($line == '') {                if (trim ( $part_lines [0] ) == '--')                    return 1;$line_data_start = $line_id;break;}            if (strpos ( $line, ':' ) !== FALSE) {                $pos = strpos ( $line, ':' );$k = strtolower ( trim ( substr ( $line, 0, $pos ) ) );$v = trim ( substr ( $line, $pos + 1, strlen ( $line ) ) );if ($k == 'content-transfer-encoding') {                    $encoding = $v;}                if ($k == 'content-location') {                    $location = $v;}                if ($k == 'content-type') {                    $contenttype = $v;}            }        }        foreach ( $part_lines as $line_id => $line ) {            if ($line_id <= $line_data_start)                $part_lines [$line_id] = '';}        $part_lines = implode ( '', $part_lines );if ($encoding == 'base64')            $part_lines = base64_decode ( $part_lines );elseif ($encoding == 'quoted-printable')            $part_lines = imap_qprint ( $part_lines );return $part_lines;}    function read_filedata() {        $handle = fopen ( $this->file, 'r' );$this->filedata = fread ( $handle, filesize ( $this->file ) );fclose ( $handle );}    function getrange(&$subject, $Beginmark_str = '{', $Endmark_str = '}', $Start_pos = 0) {        /*         * $str="sssss { x { xx } {xx{xx } x} x} sssss"; $range=string::getRange($str,'{','}',0); echo $range['range']; //tulem: " x { xx } {xx{xx } x} x" echo $range['behin']; //tulem: 6 echo $range['end']; //tulem: 30 (' ') -- l5pum?¤rgist j?¤rgnev out: array('range'=>$Range,'begin'=>$Begin_firstOccurence_pos,'end'=>$End_sequel_pos) | false v1.1 2004-2006,Uku-Kaarel J5esaar,ukjoesaar@hot.ee,http://www.hot.ee/ukjoesaar,+3725110693         */if (empty ( $Beginmark_str ))            $Beginmark_str = '{';$Beginmark_str_len = strlen ( $Beginmark_str );if (empty ( $Endmark_str ))            $Endmark_str = '}';$Endmark_str_len = strlen ( $Endmark_str );/* $Start_pos_cache = 0; */do {            /* !algus */if (! is_int ( $Begin_firstOccurence_pos ))                $Start_pos_cache = $Start_pos;/* ?algus-test */$Start_pos_cache = @strpos ( $subject, $Beginmark_str, $Start_pos_cache );/* this is possible start for range */if (is_int ( $Start_pos_cache )) {                /* skip */$Start_pos_cache = ($Start_pos_cache + $Beginmark_str_len);/* test possible range start pos */if (is_int ( $Begin_firstOccurence_pos )) {                    if ($Start_pos_cache < $range_end_pos)                        $rangeClean = 0;elseif ($Start_pos_cache > $range_end_pos)                        $rangeClean = 1;}                /* here it is */if (! is_int ( $Begin_firstOccurence_pos ))                    $Begin_firstOccurence_pos = $Start_pos_cache;} /* VIGA NR 0 ALGUST EI OLE */if (! is_int ( $Start_pos_cache )) {                /* !algus */                /* VIGA NR 1 ALGUSMARKI EI LEITUD : VIIMANE VOIMALIK ALGUS */if (is_int ( $Begin_firstOccurence_pos ) and ($Start_pos_cache < $range_end_pos))                    $rangeClean = 1;else                    return false;}            if (is_int ( $Begin_firstOccurence_pos ) and ($rangeClean != 1)) {                if (! is_int ( $End_pos_cache ))                    $End_sequel_pos = $Begin_firstOccurence_pos;$End_pos_cache = strpos ( $subject, $Endmark_str, $End_sequel_pos );/* ok */if (is_int ( $End_pos_cache ) and ($rangeClean != 1)) {                    $range_current_lenght = ($End_pos_cache - $Begin_firstOccurence_pos);$End_sequel_pos = ($End_pos_cache + $Endmark_str_len);$range_end_pos = $End_pos_cache;}                /* VIGA NR 2 LOPPU EI LEITUD */if (! is_int ( $End_pos_cache ))                    if ($End_pos_cache == false)                        return false;}        } while ( $rangeClean < 1 );if (is_int ( $Begin_firstOccurence_pos ) and is_int ( $range_current_lenght ))            $Range = substr ( $subject, $Begin_firstOccurence_pos, $range_current_lenght );else            return false;return array (            'range' => $Range,            'begin' => $Begin_firstOccurence_pos,            'end' => $End_sequel_pos);} // end getrange()} // class/*$filename = './test.mht';if (file_exists ( $filename )) {    if (is_dir ( $filename )) return false;    $filename = strtolower ( $filename );    if (strpos ( $filename, '.mht', 1 ) == FALSE) return false;    $o_mhtml = new mhtparse ();    $o_mhtml->set_file ( $filename );    $o_mhtml->extract ();    $res =  $o_mhtml->get_part_to_file(0);    var_dump($res);}*/

The above describes how to process mht files in PHP, including a_star, and hope to help anyone interested in PHP tutorials.