#!/usr/bin/php
<?php
$jsonFile = '/opt/html/online.json';

$activeUsers = shell_exec("ps -eo user=,comm= | awk '$2 ~ /sshd/ {print $1}' | grep -v sshd | sort -u");

$activeUsersArray = array_filter(explode("\n", $activeUsers));

$activeUsersJson = json_encode($activeUsersArray, JSON_PRETTY_PRINT);

file_put_contents($jsonFile, $activeUsersJson);
?>
