Re: login determines content on page
| From: | William Lovaton | Date: | Mon, 25 Feb 2002 06:25:27 +0000 |
| Subject: | Re: login determines content on page | ||
| References: | 1 2 3 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-86053@lists.php.net to get a copy of this message | ||
El sáb, 23-02-2002 a las 01:56, jtjohnston escribió:
> What's the difference between
> if (isset($submit_happening))
> and
> if $submit_happening)
if (isset($var)) evaluates whether $var exists or not
if ($var) evaluates de value of $var
$var = 1;
if(isset($var)) --> TRUE
if($var) --> TRUE
---===(O)===---
$var = 0;
if(isset($var)) --> TRUE
if($var) --> FALSE
William
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