Create NT password fix (#282)

Author: suprune20

lib/createlm.php

@@ -348,13 +348,12 @@ public function lmhash($password = "") {
 	* @return string hash value
 	*/
 	public function nthash($password = "") {
-		if (function_exists('mhash'))
-			if (defined('MHASH_MD4'))
-				return strtoupper(bin2hex(mhash(MHASH_MD4,iconv('UTF-8','UTF-16LE',$password))));
-			else
-				return strtoupper(hash('md4', iconv("UTF-8","UTF-16LE",$password)));
+		if (function_exists('hash'))
+			return strtoupper(hash('md4', iconv("UTF-8","UTF-16LE",$password)));
+		elseif (function_exists('mhash') && phpversion() < '8.1' && defined('MHASH_MD4'))
+			return strtoupper(bin2hex(mhash(MHASH_MD4,iconv('UTF-8','UTF-16LE',$password))));
 		else
-			error(_('Your PHP install does not have the mhash() function. Cannot do hashes.'),'error','index.php');
+			error(_('Your PHP install does not have hash() nor mhash() function. Cannot do hashes.'),'error','index.php');
 	}
 
 	/**