have to request only when there is a change in the database? instead of checking every second

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<script type="text/javascript">

  function atualizarTarefas() {


    $("#header").load("<?=site_url('home/notificar/')?>");
   }
    setInterval("atualizarTarefas()", 1000);

</script>

php jquery mysql ajax codeigniter

  • Has, the best way is using Websockets, however can also use long-Polling, so it remains with an active connection and only ends when there is update, then creates a new. See http://answall.com/questions/9475/notifies%C3%A7%C3%B5es-in-real-time-similar-to-stack-overflow/10109. PHP by default provides support for Websockets, but is not such a simple task, although there are some libraries, you can use websockets using Pubnub, Pusher, Ably.io, Scaledrone, Hydna which will be much easier.

  • okay I’ll try to understand more of the subject, Websockets thanks for the tip!

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