<?php
$params = array('level' => 6, 'window' => 15, 'memory' => 9);

$fin = fopen ( 'dlink.bin', 'r' );
$fout = fopen ( 'dlink.xml', 'w' );
$header = fread($fin,20);

stream_filter_append($fin, 'zlib.inflate', STREAM_FILTER_READ, $params);

$contents = stream_get_contents($fin);
/* or for old version
$contents = '';
while (!feof($fin)) {
  $contents .= fread($fin, 8192);
}
*/
fwrite ( $fout, $contents );
fclose( $fin );
fclose( $fout );
?>