title: php: play sound when receiving a message
body: <p>Ex: i have mp3 file &lt;- that is for message sound</p>
  
  <p>i want to make a restaurant's script, when the customer make an order, the sound is rings in the employee's browser.</p>
  
  <p>Can I make something like this in the php or jquery or ajax?</p>
  
  <p>please help me</p>
  
  <p>Thank you</p>