PHP instance movie file verification download code

<?php Tutorial

$dbhost = ' localhost '; Database Tutorial Server
$dbuser = ' root '; Database username
$DBPW = ' QWASZX '; Database Password
$dbname = ' movie '; Database name
$adminemail = www.jzread.com@jzread.com; System Administrator Email

$database = ' MySQL tutorial '; Cannot modify here
$tplrefresh = 1; Template Auto Refresh Switch 0 = close, 1 = Open
$pconnect = 0; Database connection mode 0=connect, 1=pconnect

// ============================================================================

Class Db_class {
var $querynum = 0;
function Dbstuff () {global $fp; $fp = fopen ("./tempdata/dblog.txt", "w");}

Function Connect ($dbhost, $dbuser, $DBPW, $dbname, $pconnect = 0) {
if ($pconnect) {
if (! @mysql_pconnect ($dbhost, $dbuser, $DBPW)) {
$this->halt (' Can not connect to MySQL server ');
}
else {
if (! @mysql_connect ($dbhost, $dbuser, $DBPW)) {
$this->halt (' Can not connect to MySQL server ');
}
}
mysql_query ("Set names ' gb2312 '");
}

function select_db ($dbname) {
Return mysql_select_db ($dbname);
}

function Fetch_array ($query, $result _type = Mysql_assoc) {

$query = Mysql_fetch_array ($query, $result _type);

return $query;
}

 function query ($sql, $silence = 0) {
 //echo "| $sql |<br>";//debug
 //@fwrite ($globals [FP], $sql. " n "); Debug
  $query = mysql_query ($sql);
       //echo ' query: '. $query. ' <br> ';
     if (! $query &&! $silence)
        {
         $this->halt (' MySQL query error ', $sql);
 }
        $this->querynum++;
  return $query;
 }

 function unbuffered_query ($sql, $silence = 0) {
  $func _unbuffered_query = @function_exists (' Mysql_unbuffered_query ')? ' Mysql_unbuffered_query ': ' mysql_query ';
  $query = $func _unbuffered_query ($sql);
  if (! $query &&! $silence) {
   $this->halt (' MySQL query error ', $sql);
 }
  $this->querynum++;
  return $query;
 }
 function Get_one ($sql) {
        $sql = $sql;
  If Function_ Exists (' Mysql_unbuffered_query ')} {
   $query = Mysql_unbuffered_query ($sql);
 }else{
   $query = mysql_query ($sql);
 }
  $this->querynum++;
  if (! $query)   $this->halt (' Query error: '. $sql);
 
  $rs =& mysql_fetch_array ($query, MYSQL_ASSOC);
  Mysql_free_result ($query);
  return $rs;
 }

function Affected_rows () {
return Mysql_affected_rows ();
}

Function error () {
return Mysql_error ();
}

function errno () {
return Mysql_errno ();
}

function result ($query, $row) {
$query = @mysql_result ($query, $row);
return $query;
}

function Num_rows ($query) {
$query = mysql_num_rows ($query);
return $query;
}

function Num_fields ($query) {
Return Mysql_num_fields ($query);
}

function Free_result ($query) {
Return Mysql_free_result ($query);
}

function insert_id () {
$id = mysql_insert_id ();
return $id;
}

function Fetch_row ($query) {
$query = Mysql_fetch_row ($query);
return $query;
}

function Close () {
return Mysql_close ();
}
function Halt ($message = ', $sql = ') {
Echo $message;
}

}

***********************************************************/
========= Connection Database =======================================================
$db = new Db_class;
$db->connect ($dbhost, $dbuser, $DBPW, $pconnect);
$db->select_db ($dbname);
Unset ($dbhost, $dbuser, $DBPW, $dbname, $pconnect);

Instance Data downloads

?
Include './admin/connect.php ';

@extract ($db->get_one ("select * from Movieinfo where id= '. $_get[' id '].");
$db->query ("Update movieinfo set downnum=downnum+1 where id= '". $_get[' id '). "
Control Downloads
$url 2= "./admin/"/The path to the movie

if ($localaddress)
{
$newname = $localaddress;
$movieurl = $url 2 $newname;
}

$type =basename ($movieurl);
$type = substr (STRRCHR ($type, '. '), 0);
$filename = $title. $type;

$file =fopen ($movieurl, ' R ');
Ob_end_clean ();
Header (' Content-type:application/octet-stream ');
Header (' accept-ranges:bytes ');
Header (' Accept-length: ' FileSize ($movieurl));
Header ("content-disposition:attachment; Filename= ". $filename);
Echo fread ($file, FileSize ($movieurl));
Fclose ($file);
Exit;
?>