php - Check if session has been started and set global var for javascript to use -


i have following setup:

  • index.php
  • subpage.php

when visiting either pages have "header intro animation". want user see animation upon first page visit , not repeat when refreshing/visiting other subpages within same session.

i've tried doing following:

$disableanimationonotherpages;   if(session_id() === '')  {     // session has not been started     session_start();     echo "session not set";  }  else  {     // session has been started     echo "session has been set";     $disableanimationonotherpages = true;  }

so when visit page first time set/start session , if refresh or go subpage, $disableanimationonotherpages = true; set, can use reference disable javascript animation in included .js file further down.

but regardless of do, im getting "session not started".

any ideas on im doing wrong in context?

session_start(); doesn't mean 'create new session', means create or continue started session, can use $_session store values in.

so want is:

session_start();  if(!isset($_session['disableanimation'])) {     // session wasn't started, show animations.     $_session['disableanimation'] = false; } else {     // session has been started previously, disable animations.     $_session['disableanimation'] = true; }

you can use $_session['disableanimation'] disable animations instead of global variable, globals frowned upon.

edit:

to access in javascript, need like:

<script type="text/javascript">     var disableanimation = <?=$_session['disableanimation'];?>;     // javascript stuff disableanimation </script>

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