ajax-check-status.php

<?php
//  +------------------------------------------------------------------------+
//  | O!MPD, Copyright © 2015-2021 Artur Sierzant                            |
//  | http://www.ompd.pl                                                     |
//  |                                                                        |
//  |                                                                        |
//  | This program is free software: you can redistribute it and/or modify   |
//  | it under the terms of the GNU General Public License as published by   |
//  | the Free Software Foundation, either version 3 of the License, or      |
//  | (at your option) any later version.                                    |
//  |                                                                        |
//  | This program is distributed in the hope that it will be useful,        |
//  | but WITHOUT ANY WARRANTY; without even the implied warranty of         |
//  | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the          |
//  | GNU General Public License for more details.                           |
//  |                                                                        |
//  | You should have received a copy of the GNU General Public License      |
//  | along with this program.  If not, see <http://www.gnu.org/licenses/>.  |
//  +------------------------------------------------------------------------+

global $cfg, $db;
require_once('include/initialize.inc.php');
require_once('include/play.inc.php');

$playerId = $_POST['playerId'];

if ($cfg['player_type'] == NJB_MPD) {
  $data = array();

  $query = mysqli_query($db,'SELECT player_name, player_type, player_id, player_host, player_port FROM player WHERE player_id = ' . $playerId . ' ORDER BY player_name');
  
  while ($player = mysqli_fetch_assoc($query)) {
    $ping = mpdSilent('ping',$player['player_host'],$player['player_port']);
    $state = 'OK';
    if ($ping != 'OK'){
      $state = 'NOK';
    };
    $data[]=array("player_id" => $player['player_id'],"player_name" => $player['player_name'],"state" => $state);
  }
  
  echo safe_json_encode($data);	
}
?>