Re: [PHP] empty() in email message

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How are these variables being given their values by php? If you're making use of register_globals then you're asking for problems.

Perform some sanity checks on your data, like using a regex of /^\d+$/ to check for numerical values, and turn globals off; its a security breach waiting to happen.

Get the values from $_GET or $_POST and treat each one as malicious until you know its within the bounds of your application as a real value.

Thanks,
Ash
http://www.ashleysheridan.co.uk

----- Reply message -----
From: "Gary" <gpaul@xxxxxxxxxxxxxxxx>
Date: Mon, Dec 13, 2010 17:47
Subject: [PHP] empty() in email message
To: <php-general@xxxxxxxxxxxxx>

I have an email message

$msg =  'Name: $fname ' . ' $lname\n'
. "Phone: $phone\n"
. "Email: $email\n"

and it works fine, however in this message there are about 30 variables that 
are being called...as such

. "Order: beefschnitzel $beefschnitzel\n"
. "Order: beefstrips $beefstrips\n"
. "Order: cheesesausage $cheesesausage\n"
. "Order: crumbedsausage $crumbedsausage\n"
. "Order: chucksteak $chucksteak\n"
. "Order: cornedbeef $cornedbeef\n"
. "Order: dicedsteak $dicedsteak\n"
. "Order: filletmignon $filletmignon\n"

I want to only send the message if the submitter enters an amount in the 
form for the corresponding variable, instead of having a bunch of empty 
messages.  So I have been trying to use the empty() function as such:

. if empty($beefolives){''} elseif (isset($beefolives)) { 'Order: beefolives 
$beefolives\n'}

But I am getting the error

Parse error: syntax error, unexpected T_IF

Can someone point me in the right direction?

Thank you
-- 
Gary 



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