note 94565 added to language.types.type-juggling
| From: | montana at osu1 dot php dot net | Date: | Thu, 12 Nov 2009 08:34:50 +0000 |
| Subject: | note 94565 added to language.types.type-juggling | ||
| Groups: | php.notes | ||
| Request: | Send a blank email to php-notes+get-162794@lists.php.net to get a copy of this message | ||
$var = 1;
$var_unset = (unset) $var;
$var_ref_unset = &$var; //this causes wipeout when reference is unset
$var_ref_unset = (unset) $var_ref_unset;
var_dump($var);
var_dump($var_unset);
var_dump($var_ref_unset);
outputs:
NULL NULL NULL
could be useful for expiring a chain of values.
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Server IP: 69.147.83.197
Probable Submitter: 76.14.99.95
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Manual Page -- http://www.php.net/manual/en/language.types.type-juggling.php
Edit -- https://master.php.net/note/edit/94565
Del: integrated -- https://master.php.net/note/delete/94565/integrated
Del: useless -- https://master.php.net/note/delete/94565/useless
Del: bad code -- https://master.php.net/note/delete/94565/bad+code
Del: spam -- https://master.php.net/note/delete/94565/spam
Del: non-english -- https://master.php.net/note/delete/94565/non-english
Del: in docs -- https://master.php.net/note/delete/94565/in+docs
Del: other reasons-- https://master.php.net/note/delete/94565
Reject -- https://master.php.net/note/reject/94565
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