At 11/27/2006 11:21 AM, Ross wrote:
$text = $_REQUEST['text_size'];
if ($text) {
echo $text;
}
I send the $text_size variable to the browser with lines like...
<a href="<? $_SERVER['PHP_SELF']; ?>?text_size=small" class="size1"
id="one">A</a>
When the page initially loads I get a undefined index error as it does not
exist but is there a way of wrapping in in a switch statement or funtion so
the variable is only used when $_REQUEST['text_size']; actually exists.
Using isset() you can determine whether or not a variable has been
initialized (including an array element) before testing its value:
http://php.net/isset
By the way, I think you can simplify your href to:
<a href="?text_size=small" ...
By specifying just the querystring and not the file name, I believe
it will always simply reload the current page with the querystring attached.
Regards,
Paul
--
PHP General Mailing List (http://www.php.net/)
To unsubscribe, visit: http://www.php.net/unsub.php
