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Editorial Team
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Asked: 2026-05-19T23:27:17+00:00

I’m doing a site with a voting system. What i want is to disable

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I’m doing a site with a voting system. What i want is to disable all input buttons (the ability to vote) if the user isnt logged in (ie. a session doesnt exist). How do i do a check in PHP at the top of the page and then allow/disallow the input buttons? Would i use CSS or jQuery?

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1 Answer

  1. Editorial Team

    Somewhere in the code check if the session is not set:

    if(!isset($_SESSION['some_key'])){
   $disable = true;
}else{
   $disable = false;
}

    Then, in the html:

    <input type="radio" name="" value=""<?=($disable ? " disabled=\"disabled\"" : "");?>/> Vote 1
<input type="radio" name="" value=""<?=($disable ? " disabled=\"disabled\"" : "");?>/> Vote 2
<input type="radio" name="" value=""<?=($disable ? " disabled=\"disabled\"" : "");?>/> Vote 3

    But you still have to check at the serverside before you accept the vote, if the person has voted before, because this form can be edited easily to post the data again and again.

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