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how can I make cron run a job right now, for testing/debugging? without changing the schedule!

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Hello there

Sometimes if my crons fails due to php mismatch or whatever issues with website, and, to avoid waiting more 24 hours, after a fix, I would usually change it manually on WHMCS Setup> automation settings  to next hour, according to currently time.


How to make crons RUN now, to execute send invoices, reminder, etc etc.?

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1 hour ago, brian! said:

you can run it from the browser, or via the server command line...

😬 I am afraid that my cron is not in public_html directory, so I guess first option web-browser is not possible!!

1 hour ago, brian! said:

or via the server command line...

😣 also I think SSH is not available on my cpanel

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I have overpass this issue.

But I guess running cron from website http://www.yourdomain.com/whmcs/crons/cron.php does not start automatically backup with that command ( I mean, creating a full cpanel backup and send it via SCP or FTP to other desired location).

I am restructuring my backups setting, so  I need to test it after implementing and not waiting 24 hours to see if it work. How can I enforce auto-backup process if this way do not work?

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I use the following hook to run cron jobs whenever I want on my dev systems. It automatically adds a button on top of your WHMCS (the organge one in the screenshot below). When you press it...

  • The "Cron last run" resets so you can run it multiple times per day
  • The "Time of Day" is autoimatically set to current hour
  • The cron runs via curl()


Keep in mind that I'm just copy/pasting my script that assumes cron.php is in ROOT/crons directory. As I said earlier, I use it on dev installations of WHMCS where I don't need to move crons directory. You surely need to change it so that it can run your cron.php file that is above "www".


 * Add button to run WHMCS Daily Cron Job on click
 * @package     WHMCS
 * @author      Kian

use WHMCS\Database\Capsule;

add_hook('AdminAreaHeaderOutput', 1, function($vars)
    // Simulazione Cron
    if ($_GET['simulatecron'])
        $SystemURL = Capsule::table('tblconfiguration')->where('setting', 'SystemURL')->first(['value'])->value;
        Capsule::table('tblconfiguration')->where('setting', 'lastDailyCronInvocationTime')->update(['value' => '']);
        Capsule::table('tblconfiguration')->where('setting', 'DailyCronExecutionHour')->update(['value' => date('H')]);

        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $SystemURL . 'crons/cron.php');
        curl_setopt($ch, CURLOPT_HEADER, 0);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, true);

        $output = curl_exec($ch);

    $output = <<<HTML
.katademo1 { color:#fff !important; background-color:#eaae53 !important;}
<script type="text/javascript">
$(document).on('ready', function(){
    $('body>.topbar>.pull-left').append('<a href="index.php?simulatecron=1" title="Each press simulates the Daily Cron of WHMCS" class="update-now katademo1" id="simulatingcronjob">Run Daily CronJob <i class="fa"></i></a>');

    $("#simulatingcronjob").on('click', function(e){
        if (confirm('Simulating the Cron Job might take a few minutes. Please be patient.'))
            $(e.currentTarget).find('.fa').addClass('fa-pulse fa-spinner');

    return $output;


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