PHP Unzip Site

<?php
if (isset($_GET['zipName'])){
	$fName = $_GET['zipName'];
}else{
	$fName = null;
}
if (isset($fName)){
	$zip = new ZipArchive;
	if ($zip->open($fName) === TRUE) {
		$path = pathinfo(realpath($fName), PATHINFO_DIRNAME);
 	    	$zip->extractTo($path);
	    	$zip->close();
		unlink($fName);
		header("location: ExtractZip.php?Status=0");
	}else{
		header("location: ExtractZip.php?Status=1&LastTry=".$fName);
	}
}else{
	echo '<br><br><center>';
	if (isset($_GET['Status'])){
		if ($_GET['Status'] == 1){
			echo '<h1>Cannot find '.$_GET["LastTry"].' Try again.</h1><br>';
		}else{
			echo '<h1>Success!.</h1><br>';
		}
	}
	echo '
	<form method="get">
		<input type="text" name="zipName" value="zipfile.zip">
		<input  type="submit" value="Unzip">
	</form></center>';
}

?>