note 62702 added to language.types.null
| From: | owk dot ch199_ph at gadz dot org | Date: | Tue, 07 Mar 2006 18:37:08 +0000 |
| Subject: | note 62702 added to language.types.null | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-105003@lists.php.net to get a copy of this message | ||
To zola at zolaweb dot com :
"It treats NULL as the constant and unsets the variable."
It doesn't. As you are trying to find if your variable is empty, your code should be :
if (empty ($array['var'])) {
$array['var'] = "NULL";
}
You know, when "!isset ($var)" is true, $var is already not set...
PS : when "$var = '';", $var is set AND is equal to '', the empty
string.
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Manual Page -- http://www.php.net/manual/en/language.types.null.php
Edit -- http://master.php.net/note/edit/62702
Del: integrated -- http://master.php.net/note/delete/62702/integrated
Del: useless -- http://master.php.net/note/delete/62702/useless
Del: bad code -- http://master.php.net/note/delete/62702/bad+code
Del: spam -- http://master.php.net/note/delete/62702/spam
Del: non-english -- http://master.php.net/note/delete/62702/non-english
Del: in docs -- http://master.php.net/note/delete/62702/in+docs
Del: other reasons-- http://master.php.net/note/delete/62702
Reject -- http://master.php.net/note/reject/62702
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