PHP Hash MD5 SHA256 File Recursive

recursivehash.php

<?php
//bekabeipa@gmail.com
if(isset($_GET['recursivehash']) AND isset($_GET['rest']))
{
	//https://stackoverflow.com/questions/34190464/php-scandir-recursively
	//https://stackoverflow.com/questions/15687363/php-access-global-variable-in-function
	//global $varrest;
	date_default_timezone_set('Asia/Jakarta');
	$waktupengiriman=date("YmdHi");

	$varpathtorecursive = ($_GET['recursivehash']);
	$varrest = $_GET['rest']."-".$waktupengiriman;
	
	function scandir_rec($root)
	{
		global $varrest;
		// if root is a file
		if (is_file($root)) {
			echo '<li>' . basename($root) . '</li>';
			return;
		}

		if (!is_dir($root)) {
			return;
		}

		$dirs = scandir($root);
		foreach ($dirs as $dir) {
			if ($dir == '.' || $dir == '..') {
				continue;
			}

			$path = $root . '/' . $dir;
			if (is_file($path)) {
				// if file, create list item tag, and done.
				$varmd5=hash_file('md5',$path);
				$varsha256=hash_file('sha256',$path);
				$varsize=filesize($path);
				$vartipe=filetype($path);
				echo '<li>file MD5 : '.$varmd5.' - SHA256 : '.$varsha256.' - path - '.$path.' :' . $dir . '</li>';
				//mysql_query("INSERT INTO ryanfilelog(id, filename, md5, sha256, filesize, filetype, rest) VALUES(NULL,'$dir','$varmd5','$varsha256','$varsize','$vartipe','$varrest')");
			} else if (is_dir($path)) {
				// if dir, create list item with sub ul tag
				echo '<li>';
				echo '<label>' . $dir . '</label>';
				echo '<ul>';
				scandir_rec($path); // <--- then recursion
				echo '</ul>';
				echo '</li>';
			}
		}
	}
	// init call
	$rootDir = $varpathtorecursive;
	echo '<ul>';
	scandir_rec($rootDir);
	echo '</ul>';
	die;
}
?>