On Jan 14, 2008, at 1127PM, Lukáš Moravec wrote:
I have one question about $_POST ['something'] array...
I am trying to use a form and php in a same file and when I am using
the
form for the first time, Any $_POST index which I use in the form is
not
defined (which is logical)...how can I remove any warning about
undefined
index of $_POST array...
Check if it is set before using it:
<?php
if(isset($_POST['anything'])
{
$anything = $_POST['anything'];
}
?>
Be sure to validate and filter all input before using it!
http://devzone.zend.com/article/1793-PHP-Security-Tip-8
http://www.sitepoint.com/article/php-security-blunders
http://phpsecurity.org/
Brady