javascript - How to open multiple browser windows on request? (PHP) -

so have form on php/html page. user submitss same php/html page. php page have $_post data. want when page refreshed opnt popup browser windows url's relative users post request. www.example.com/bal-bla-bla.php? id=$_post['streamid']

if ( isset($_post['submit']) ) {  echo '<script>window.open ("'.$_server['php_self'].'myplayer.php?stream_id='.$_post['streamid'].'","myplayer");</script>';  } 

edited:

you can display message before open window advice user accept new window!

var flag = confirm(" window not adv! ;-) "); if (flag) window.open("'.$_server['php_self'].'","myplayer");