php ile unzip

<?

function unzip($zip_file, $src_dir, $extract_dir)
{
mkdir($extract_dir.$zip_file,0777);
copy($src_dir.$zip_file, $extract_dir.$zip_file);
chdir($extract_dir);
shell_exec("unzip $zip_file");
}


if(unzip('forum.zip','/zips/','/zips/')){

  echo($zip_file .'başarıyla zip açıldı');

}else{

  echo($zip_file .'ups sorun var');

}



?>

<?php
$zip = new ZipArchive;
if ($zip->open('test.zip') === TRUE) {
    $zip->extractTo('/my/destination/dir/');
    $zip->close();
    echo 'ok';
} else {
    echo 'failed';
}
?>