[Solved] How to add a checkbox value using php [closed]

Question

Try this:

<input name="helicopter" type="checkbox" value="<?php echo $aircraft->helicopter; ?>" 
<?php
    if ($aircraft->helicopter==1) {
         echo "checked";
    }
?>>

Accepted Answer

Try this:

<input name="helicopter" type="checkbox" value="<?php echo $aircraft->helicopter; ?>" 
<?php
    if ($aircraft->helicopter==1) {
         echo "checked";
    }
?>>