note 68019 added to function.empty
| From: | r-u-d-i-e at jouwmoeder dot dot nl | Date: | Mon, 10 Jul 2006 14:45:16 +0000 |
| Subject: | note 68019 added to function.empty | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-114637@lists.php.net to get a copy of this message | ||
The two following methods will do exactly the same, in any case:
<?php
// CASE 1
if ( empty($var) )
{
// do your thing
}
// CASE 2
if ( !isset($var) || !$var )
{
// do that same thing
}
?>
empty( ) checks for isset AND also the value of the variable (0, "0", "", etc).
----
Server IP: 194.109.193.119
Probable Submitter: 217.195.249.69
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Manual Page -- http://www.php.net/manual/en/function.empty.php
Edit -- http://master.php.net/note/edit/68019
Del: integrated -- http://master.php.net/note/delete/68019/integrated
Del: useless -- http://master.php.net/note/delete/68019/useless
Del: bad code -- http://master.php.net/note/delete/68019/bad+code
Del: spam -- http://master.php.net/note/delete/68019/spam
Del: non-english -- http://master.php.net/note/delete/68019/non-english
Del: in docs -- http://master.php.net/note/delete/68019/in+docs
Del: other reasons-- http://master.php.net/note/delete/68019
Reject -- http://master.php.net/note/reject/68019
Search -- http://master.php.net/manage/user-notes.php