John Davidson

Message:

I try to do a notification system , that play a sound each time some one make a new post.
I am work in boostrap 4
I have chnge the way to do it by insert a javascript in the functions page but wen i call the javascript function give me all ways the same error of before
I go to post only part of all the code because is dimention
The sctipt i call is play_sound
and i call in an echo like this

echo '<script type="text/javascript">play_sound();</script>';

and i get same error then before

This is my error

Warning: Cannot modify header information - headers already sent by (output started at /home/nicetaxi/public_html/helpers/Functions.php:1) in /home/nicetaxi/public_html/helpers/Functions.php on line 208

This is the line of my error

function redirect_to_page($path = null)

{

header("location:" . SITE_ADDR . $path);

}



How can i solve this error



This is the functions page



<script type="text/javascript">

function play_sound() {

    var audioElement = document.createElement('audio');

    audioElement.setAttribute('src', 'https://www.nicetaxi.eu/download/notifications.mp3');

    audioElement.setAttribute('autoplay', 'autoplay');

audioElement.setAttribute('muted', 'muted');

    audioElement.load();

    audioElement.play();

}

</script>

<?php

---

My Answer:
';