Re: PHP and empty() if form value is 0
| From: | Michael Sims | Date: | Sun, 05 Jan 2003 06:04:29 +0000 |
| Subject: | Re: PHP and empty() if form value is 0 | ||
| References: | 1 2 3 | Groups: | php.general |
| Request: | Send a blank email to php-general+get-130300@lists.php.net to get a copy of this message | ||
On Sat, 4 Jan 2003 20:33:14 -0500, you wrote:
>I couldn't think of isset, so I winged it:
>
>if (strlen($var) > 0) {...}
This should work most of the time, but be aware this will produce a
warning if $var isn't set (and you haven't set your error reporting
level to ignore warnings)... If you're not sure that $var exists it's
better to check it with isset() before checking strlen()...