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Editorial Team
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Asked: 2026-06-06T11:53:16+00:00

So I have a select option list with values in it. But as with

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So I have a select option list with values in it. But as with most select option lists the first one states dummy text for the user. The issue is that when the $_POST variable is carried over the isset value is true, but is there a way to make it false? Here is just an example. The bottom always echos true even if trying to use the dummy text. Frustrating or maybe I am doing this wrong? BTW THIS IS JUST EXAMPLE CODE

<?php
if(isset($_POST['curreny_pairs'])):
    echo "true";
endif;
?>
<html>
    <form action="blah" method="post">
        <select name="currency_pairs" id="currency_pairs">
             <option selected="selected">Currency Pair</option>
             <option value="AUDCAD" >AUD/CAD</option>
             <option value="AUDCHF" >AUD/CHF</option>
        </select>    
        <input type="submit" value="submit">
    </form>
 </html>
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1 Answer

  1. Editorial Team

    Two Way

    1) set value=”0″ for first option 

     <option selected="selected" value="0">Currency Pair</option>

    and check with empty() instead of isset() because

    empty() return false for “0”

    2) use disabled attribute for first option 

    <option selected="selected" disabled="disabled" >Currency Pair</option>

    and then you can check with isset()

    <?php
if(!empty($_POST['curreny_pairs'])):
 echo "true";
endif;
?>

<html>
<form action="blah" method="post">
<select name="currency_pairs" id="currency_pairs">
<option selected="selected" value="0">Currency Pair</option>
<option value="AUDCAD" >AUD/CAD</option>
<option value="AUDCHF" >AUD/CHF</option>
</select>

<input type="submit" value="submit">
</form>
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