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Editorial Team
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Asked: 2026-05-21T05:39:52+00:00

I have array of mobile numbers, around 50,000. I’m trying to process and send

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I have array of mobile numbers, around 50,000. I’m trying to process and send bulk SMS to these numbers using third-party API, but the browser will freeze for some minutes. I’m looking for a better option.

Processing of the data involves checking mobile number type (e.g CDMA), assigning unique ids to all the numbers for further referencing, check for network/country unique charges, etc.

I thought of queuing the data in the database and using cron to send about 5k by batch every minute, but that will take time if there are many messages. What are my other options?

I’m using Codeigniter 2 on XAMPP server.

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1 Answer

  1. Editorial Team

    I would write two scripts:

    File index.php:

    <iframe src="job.php" frameborder="0" scrolling="no" width="1" height="1"></iframe>
<script type="text/javascript">
    function progress(percent){
        document.getElementById('done').innerHTML=percent+'%';
    }
</script><div id="done">0%</div>

    File job.php:

    set_time_limit(0);                   // ignore php timeout
ignore_user_abort(true);             // keep on going even if user pulls the plug*
while(ob_get_level())ob_end_clean(); // remove output buffers
ob_implicit_flush(true);             // output stuff directly
// * This absolutely depends on whether you want the user to stop the process
//   or not. For example: You might create a stop button in index.php like so:
//     <a href="javascript:window.frames[0].location='';">Stop!</a>
//     <a href="javascript:window.frames[0].location='job.php';">Start</a>
// But of course, you will need that line of code commented out for this feature to work.

function progress($percent){
    echo '<script type="text/javascript">parent.progress('.$percent.');</script>';
}

$total=count($mobiles);
echo '<!DOCTYPE html><html><head></head><body>'; // webkit hotfix
foreach($mobiles as $i=>$mobile){
    // send sms
    progress($i/$total*100);
}
progress(100);
echo '</body></html>'; // webkit hotfix
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