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+---- Thread: set php radio button checked by default (/Thread-set-php-radio-button-checked-by-default)
set php radio button checked by default - misti892 - 07-27-2023
I have two radio buttons in my program but when i run it none of them is checked, I want one of them to be checked by default,
how can i achieve this ?
<li><input type="radio" name="r1" value="o" onClick="submit();" <?php echo ($_SESSION['r1'] == "o") ? 'checked="checked"' : ''; ?> />On</li>
<li><input type="radio" name="r1" value="p" onClick="submit();" <?php echo ($_SESSION['r1'] == "p") ? 'checked="checked"' : ''; ?> />Off</li>
I want the 'On' button to be checked when i open the page for the first time
RE: set php radio button checked by default - renelle665 - 07-27-2023
Something like this:
<li><input type="radio" name="r1" value="o" onClick="submit();" CHECKED/>On</li>
RE: set php radio button checked by default - kallilsgkewf - 07-27-2023
What about this:
<li><input type="radio" name="r1" value="o" onClick="submit();" <?php echo (!$_SESSION['r1'] || $_SESSION['r1'] == "o") ? 'checked="checked"' : ''; ?> />On</li
RE: set php radio button checked by default - anthonyxr - 07-27-2023
Here you go:
<li><input type="radio" name="r1" value="o" onClick="submit();" <?php echo ($_SESSION['r1'] != "p") ? 'checked="checked"' : ''; ?> />On</li>
<li><input type="radio" name="r1" value="p" onClick="submit();" <?php echo ($_SESSION['r1'] == "p") ? 'checked="checked"' : ''; ?> />Off</li>
RE: set php radio button checked by default - phonomimic946444 - 07-27-2023
Well, in order for the On button to checked, the `$_SESSION['r1']` must be equal to "o". Have you checked the value of `$_SESSION['r1']`?