Re: Re: Best way to test for form submission?

2009/8/28 Eric <blueray2048@yahoo.com>: > > ----- Original Message ----- > From: "Adam Jimerson" <vendion@charter.net> > To: <php-general@lists.php.net> > Sent: Friday, August 28, 2009 11:21 AM > Subject: [PHP] Re: Best way to test for form submission? > > >> On 08/27/2009 11:09 PM, Adam Jimerson wrote: >>> This question might give away the fact that I am a php noob, but I am >>> looking for the best way to test for form submission in PHP.  I know in >>> Perl this can be done with >>> >>> if (param) >>> >>> but I don't know if that will work with PHP.  I have read the Learning >>> PHP 5 book and the only thing that was mentioned in the book was the use >>> of something like this >>> >>> print "<p>Hello ".$_POST['username']."</p>"; >> >> Sorry copied and pasted the wrong line (long day) >> >> if (array_key_exists('username',$_POST)) > > Here is another way > > if (isset($_POST['username'])  && $_POST['username'] != > '') > { ... If you use this method then you'll completely ignore a form submission if they've forgotten to enter a username. Detection and validation are two distinct steps and should be treated as such. -Stuart -- http://stut.net/