feat: add active users script

active-users

@@ -0,0 +1,12 @@
+#!/usr/bin/php
+<?php
+$jsonFile = '/opt/html/online.json';
+
+$activeUsers = shell_exec("who | awk '{print $1}' | sort | uniq");
+
+$activeUsersArray = array_filter(explode("\n", $activeUsers));
+
+$activeUsersJson = json_encode($activeUsersArray, JSON_PRETTY_PRINT);
+
+file_put_contents($jsonFile, $activeUsersJson);
+?>