[Unit]
Description=Control WiFi observed session refresh
Documentation=file:/var/www/control/bin/wifi_observe.php

[Service]
Type=oneshot
User=root
Group=root
WorkingDirectory=/var/www/control
ExecStart=/usr/bin/php /var/www/control/bin/wifi_observe.php
StandardOutput=append:/var/log/control-wifi-observe.log
StandardError=append:/var/log/control-wifi-observe.log