Unifi Wifi steuern via HTTP API

   /**    
     * Power-cycle the PoE output of a switch port
     * -------------------------------------------
     * return true on success
     * required parameter <switch_mac> = string; main MAC address of the switch
     * required parameter <port_idx>   = integer; port number/index of the port to be affected
     *
     * NOTES:
     * - only applies to switches and their PoE ports...
     */
    public function power_cycle_switch_port($switch_mac, $port_idx)
    {
        if (!$this->is_loggedin) return false;
        $json     = ['mac' => $switch_mac, 'port_idx' => intval($port_idx), 'cmd' => 'power-cycle'];
        $json     = json_encode($json);
        $response = $this->exec_curl('/api/s/'.$this->site.'/cmd/devmgr', 'json='.$json);
        return $this->process_response_boolean($response);
    }

<?php

/*
 * This file is used to turn the poe predefinde ports to "off" or "auto"
 * A use case for that was to turn off the poe of the ports where a camera was connected in order to turn off the camera
 * If the file is called via a web URL, it should be called like: update_switch_poe-mode.php?poe_mode=off
 * If the file is called via the command line, it should be called like: php update_switch_poe-mode.php off
 * The values can be "off" or "auto"
 */

require_once('config.php');
require_once('src/Client.php');

$site_id = 'default';
$device_mac = '18:e8:29:46:56:69'; //the Mac address of the switch from which you would like to change the poe

/* The $lanports is an array that defines which ports should be changed  */
$lanports = [6];

/* This is the function that reads out the current port configureation and changes the value for the poe_mode for the ports defined in $lanports*/
function update_ports($running_config, $ports, $poe_mode){
        /*
         * Update already non-default ports
         */
        for($i=0; $i<count($running_config);$i++){
                if(in_array($running_config[$i]->port_idx, $ports)){
                        $running_config[$i]->poe_mode=$poe_mode;
                        unset($ports[array_search($running_config[$i]->port_idx,$ports)]);
                }
        }
        $add_conf=array();
        foreach($ports as $port){
                $add_conf[] = [
                        'port_idx' => $port,
                        'poe_mode' => $poe_mode
                ];
        }
        return array_merge($running_config, $add_conf);
}

$unifi_connection = new UniFi_API\Client($controlleruser, $controllerpassword, $controllerurl, $site_id, $controllerversion, false);
$set_debug_mode   = $unifi_connection->set_debug(false);
$loginresults     = $unifi_connection->login();
$data             = $unifi_connection->list_devices($device_mac);
$device_id        = $data[0]->device_id;
$current_conf     = $data[0]->port_overrides;

/* This reads in the values provided via URL or in the command line, if nothing is set than it will poe_mode will be set to "auto" */
if (isset($_GET[poe_mode])) {$poe_mode = $_GET[poe_mode];}
elseif (isset($argv[1])) {$poe_mode = $argv[1];}
else {$poe_mode = "auto";}

$new_ports_config = [
        'port_overrides' => update_ports($current_conf, $lanports, $poe_mode)
        ];
$update_device    = $unifi_connection->set_device_settings_base($device_id, $new_ports_config);

if (!$update_device) {
    $error = $unifi_connection->get_last_results_raw();
    echo json_encode($error, JSON_PRETTY_PRINT);
}

echo json_encode($update_device, JSON_PRETTY_PRINT);