$currentDayName = "Dienstag";
        break;
    case 3:
        $currentDayName = "Mittwoch";
        break;
    case 4:
        $currentDayName = "Donnerstag";
        break;
    case 5:
        $currentDayName = "Freitag";
        break;
    case 6:
        $currentDayName = "Samstag";
        break;
}
if (!checkAction("cron_" . $currentDayName . " " . date("d.M.Y") . " - " . $currentStd . ":" . $currentMin)) {
    echo "mail_" . $currentDayName . " " . date("d.M.Y") . ":" . $currentStd . ":" . $currentMin . " --- bereits ausgeführt\n";
    return;
}
echo "Check: mail_" . $currentDayName . " " . date("d.M.Y") . ":" . $currentStd . ":" . $currentMin . "\n";
if (strlen($_SESSION['config']->PUBLICVARS['gmailAdress']) > 0 && strlen($_SESSION['config']->PUBLICVARS['gmailAppPassword']) > 0) {
    $in = connectToGmailInbox($_SESSION['config']->PUBLICVARS['gmailAdress'], $_SESSION['config']->PUBLICVARS['gmailAppPassword']);
    $mails = getMailsFromGmailInbox($in);
    $unreadMails = getEmailCount($in, $mails, true);
    closeGmailInbox($in);
    //  echo "Ungelesene Mails: ".$unreadMails."\n";
    // Anzahl ungelesener Mails in Sensor-Tabelle speichern
    if (checkSensorInputMissingValues()) {
        refreshSensorValue($_SESSION['config']->DBCONNECT, 999999999, $unreadMails);
    }
}
<?php

include_once "init.php";
if (!checkSensorInputMissingValues()) {
    return;
}
refreshSensorValue($_SESSION['config']->DBCONNECT, $_REQUEST['sensorId'], $_REQUEST['sensorWert']);