upload_varbinary.php

<?php

$con = mssql_pconnect("server","user","pass");
if (!$con || !mssql_select_db('database', $con)) {
    die('Unable to connect or select database!');
}

$fp = fopen($_FILES['upload']['tmp_name'], 'rb');
$file_content = fread($fp, filesize($_FILES['upload']['tmp_name'])); 
fclose($fp);
$data_cont = unpack("H*hex", $file_content);
	  	  
$sql = "INSERT INTO FILES(name,type,data) values ('".$final_name."','".$_FILES['upload']["type"]."',0x".$data_cont['hex'].")";
	  	  
$res = @mssql_query($sql,$con);