raspap-webgui/templates/configure_client.php

<?php
$arrHostapdConf = parse_ini_file(RASPI_CONFIG.'/hostapd.ini');
if ($arrHostapdConf['WifiAPEnable'] == 1) {
    $client_interface = 'uap0';
} else {
    $client_interface = $_SESSION['wifi_client_interface'];
}
exec('ip a show '.$client_interface, $stdoutIp);
$stdoutIpAllLinesGlued = implode(" ", $stdoutIp);
$stdoutIpWRepeatedSpaces = preg_replace('/\s\s+/', ' ', $stdoutIpAllLinesGlued);
preg_match('/state (UP|DOWN)/i', $stdoutIpWRepeatedSpaces, $matchesState) || $matchesState[1] = 'unknown';
$ifaceStatus = strtolower($matchesState[1]) ? "up" : "down";
?>
<div class="row">
  <div class="col-lg-12">
    <div class="card">
      <div class="card-header">
        <div class="row">
          <div class="col">
            <i class="fas fa-wifi mr-2"></i><?php echo _("WiFi client"); ?>
          </div>
            <div class="col">
              <button class="btn btn-light btn-icon-split btn-sm service-status float-right">
                <span class="icon"><i class="fas fa-circle service-status-<?php echo $ifaceStatus ?>"></i></span>
                <span class="text service-status"><?php echo strtolower($client_interface) .' '. _($ifaceStatus) ?></span>
              </button>
            </div>
        </div><!-- /.row -->
      </div><!-- /.card-header -->
      <div class="card-body">
        <?php $status->showMessages(); ?>
        <div class="row">
          <div class="col">
            <h4 class="mb-2"><?php echo _("Client settings"); ?></h4>
          </div>
          <div class="col-xs mr-3 mb-3">
            <button type="button" class="btn btn-info btn-block float-right js-reload-wifi-stations"><?php echo _("Rescan"); ?></button>
          </div>
        </div>
        <form method="POST" action="?page=wpa_conf" name="wpa_conf_form" class="row">
            <?php echo CSRFTokenFieldTag() ?>
          <input type="hidden" name="client_settings" ?>
          <div class="row js-wifi-stations w-100 loading-spinner"></div>
        </form>
      </div><!-- ./ card-body -->
      <div class="card-footer"><?php echo _("<strong>Note:</strong> WEP access points appear as 'Open'. RaspAP does not currently support connecting to WEP"); ?></div>
    </div><!-- /.card -->
  </div><!-- /.col-lg-12 -->
</div><!-- /.row -->