Add ap_upgrade_firmware.php to Examples (#12)

- add ap_upgrade_firmware.php, contributed by @4oo4

examples/ap_upgrade_firmware.php

@@ -0,0 +1,33 @@
+<?php
+
+/** 
+* Checks and upgrades AP firmware (can be scheduled with systemd/cron)
+**/
+
+require_once('vendor/autoload.php');
+require_once('config.php');
+
+// Because of a bug in the API, the site name is probably stuck at 'default' rather than what you actually named it:
+// https://github.com/Art-of-WiFi/UniFi-API-browser/issues/35
+$site_id = 'default';
+
+// AP MAC address formatted with colons
+$device_mac = 'de:ad:be:ef:01:23';
+
+/**
+ * initialize the Unifi API connection class, log in to the controller and request the alarms collection
+ * (this example assumes you have already assigned the correct values to the variables used)
+ */
+
+$unifi_connection = new UniFi_API\Client($controlleruser, $controllerpassword, $controllerurl, $site_id, $controllerversion, false);
+$login            = $unifi_connection->login();
+
+// Run the actual upgrade
+$results = $unifi_connection->upgrade_device($device_mac);
+
+/**
+ * provide feedback in json format from $response given by upgrade_device();
+ */
+echo json_encode($results, JSON_PRETTY_PRINT);
+
+?>

examples/config.template.php

@@ -21,4 +21,4 @@
 /**
  * set to true (without quotes) to enable debug output to the browser and the PHP error log
  */
-$debug = false;
+$debug = false;