0) { if(!is_uploaded_file($_FILES['file']['tmp_name'])) die("S_ERROR"); $targetFile = $binaryDir.$_POST['md5']; storeFile($targetFile); echo "S_FILEOK"; } else { storeFileInfo($_POST); if(fileKnown($binaryDir.$_POST['md5'])) echo "S_FILEKNOWN"; else echo "S_FILEREQUEST"; } ?>