<?php require '../../includes/csrf.php'; require_once '../../includes/config.php'; exec('cat '. RASPI_HOSTAPD_CONFIG, $hostapdconfig); $arrConfig = array(); foreach ($hostapdconfig as $hostapdconfigline) { if (strlen($hostapdconfigline) === 0) { continue; } $arrLine = explode("=", $hostapdconfigline); $arrConfig[$arrLine[0]]=$arrLine[1]; }; $channel = intval($arrConfig['channel']); echo json_encode($channel);