Re: [SLUG] Required fields in PHP

From: Logan Tygart (logan1304@comcast.net)
Date: Thu Feb 19 2004 - 05:11:08 EST

On Wed, 2004-02-18 at 19:29, Paul M Foster wrote:
> When coding forms in PHP, is there a _simple_ way to ensure certain
> required fields are actually filled out?
>
> Paul

You can use empty() or isset()

<?php
$var = 0;

// Evaluates to true because $var is empty
if (empty($var)) {
   echo '$var is either 0, empty, or not set at all';
}

// Evaluates as true because $var is set
if (isset($var)) {
   echo '$var is set even though it is empty';
}
?>

The Logan 

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