Testing if variable was set
| From: | Jordan Elver | Date: | Thu, 17 May 2001 14:04:13 +0000 |
| Subject: | Testing if variable was set | ||
| Groups: | php.general | ||
| Request: | Send a blank email to php-general+get-53188@lists.php.net to get a copy of this message | ||
Hi,
If I want to test if a variable exists (or has been passed) then I just do:
if($var) {
// variable is here
}
But I've noticed that a lot of people do:
if(isset($var)) {
// variable is here
}
What's the difference and which is the best way?
TIA,
Jord
--
Jordan Elver
while (!asleep()) sheep++;